# Oscillator, 156.25MHz, LVDS, SMD, 7mm x 5mm, 3.3 V, ClearClock AK7 Series

![Product image](https://novapart.co/image/farnell:4327355/)

**URL**: https://novapart.co/products/AK7DAF1-156.2500T2/oscillator-15625mhz-lvds-smd-7mm-x-5mm-33-v
**SKU**: AK7DAF1-156.2500T2
**Manufacturer**: ABRACON
**Category**: Crystals & Oscillators || Oscillators || Standard Oscillators
**Price**: €3.0500
**Stock**: 10+
**Lead Time**: 64 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| Frequency Nom | 156.25MHz |
| Product Range | ClearClock AK7 Series |
| Supply Voltage Nom | 3.3V |
| Frequency Stability + / - | 25ppm |
| Operating Temperature Max | 85°C |
| Operating Temperature Min | -40°C |
| Oscillator Case / Package | SMD, 7mm x 5mm |
| Oscillator Output Compatibility | LVDS |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4327355/)

**ClearClock™ Oscillator Family | Low Jitter | 7.0 x 5.0mm XO** 

## **AK7** 

Request Samples Check Inventory **7.0 x 5.0 x 1.8 mm RoHS/RoHS II Compliant** ges ESD Sensitive (he) **MSL Level = 1** 

## **Features** 

- 3rd overtone solution 

- Ultra-Low jitter: 75 fs typ RMS (100fs MAX, F= 156.25MHz 

   - LVPECL); spurs included 

- Frequency range: 100MHz to 220MHz 

- Lowest in-class power consumption (16mA Typ LVDS) 

- ± 20ppm & ± 25ppm stability (-40 to +85ºC) options available 

   - (dependent on frequency) 

- 3.3V, 2.5V, 1.8V Vdd supply 

## **Applications** 

   - Networking & communications 

   - Gigabit Ethernet 

   - Fibre Channel 

   - SONET/SDH 

   - RF systems, base stations (BTS) 

   - Datacenter 

   - PCI Express 

   - Test & measurement 

- LVPECL, LVDS, & HCSL differential output options 

- Output enable standard 

## **Key Electrical Specifications** 

|**Parameters**|**Parameters**|**Min.**|**Typ. **|**Max.**|**Unit**|**Notes**|
|---|---|---|---|---|---|---|
|FrequencyRange||100<br>~~ee~~|~~ee~~|220<br>~~ee~~|MHz||
|Standard Available Frequencies<br>~~ee~~||100   122.88   125   148.5<br>156.25   200   212.5<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~eeee~~|||MHz<br>~~ee~~<br>|Contact Abracon for availability of<br>frequencies not listed<br>~~ee~~<br>~~ee~~|
|Supply Voltage (Vdd)**[Note 1]**<br>~~ee~~<br>~~ee~~<br>~~ee~~||2.97<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|3.3<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|3.63<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|V<br>~~ee~~<br> <br>|Option “A”<br>~~ee~~<br>~~ee~~<br>~~ee~~|
|||2.37<br>~~ee~~<br>~~ee~~<br>~~re~~<br>|2.5<br>~~ee ~~<br>~~ee~~<br>~~ee~~<br>|2.62<br> ~~ee ~~<br>~~ee~~||Option “B”<br> ~~ee~~<br>~~ee~~<br>~~ee~~|
|||1.71<br>~~ee~~<br>~~re~~<br>~~ee~~<br>|1.8<br>~~ee ~~<br>~~ee~~<br>~~ee~~<br>|1.89<br> ~~ee ~~||Option “C”<br> ~~ee~~<br>~~ee~~<br>~~ee~~|
|Supply Current (Idd)<br>~~a~~|LVPECL<br>~~ee~~<br>~~ee~~<br>~~es~~|~~re~~<br>~~ee~~<br>~~ee~~<br>|30<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>|50|mA<br>~~ee~~|@220MHz;@Vdd=3.3V<br>~~ee~~<br>~~ee~~<br>~~ee~~|
||LVDS<br>~~ee ~~<br>~~ee~~<br>~~es~~|~~re ~~<br> ~~ee~~<br>~~ee~~<br>~~ee~~|16<br> ~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|27||@220MHz;@Vdd=3.3V<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|
||HCSL<br> <br>~~ee ~~<br>~~es~~|~~ee ~~<br> ~~ee~~<br>~~ee~~<br>~~cre~~|17<br> ~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|30<br>~~ee~~||@220MHz;@Vdd=3.3V<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>|
|Operating Temperature Range<br> <br>~~es ~~<br>~~a~~||-20<br> ~~ee ~~<br> ~~ee~~<br>~~cre~~<br>~~re~~|~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|+70<br>~~ee~~|°C<br>~~eeeee~~|Option “D”<br>~~ee~~<br>~~ee~~<br>~~eee~~<br>~~ee~~|
|||-40<br> ~~ee~~<br>~~cre~~<br>~~re~~|~~ee~~<br>~~ee~~<br>~~ee~~|+85<br>~~ee~~||Option “F” or “Q”<br>~~ee~~<br>~~eee~~<br>~~ee~~|
|Storage Temperature<br> <br>~~a~~<br>~~ee~~||-55<br> ~~ee ~~<br>~~cre ~~<br>~~re~~<br>|~~ee~~<br> ~~ee ~~<br>~~ee~~<br>~~ee~~|+150<br> ~~ee~~<br>~~ee~~|°C<br>~~eeeee~~<br>~~ee~~|~~ee~~<br>~~eee~~<br>~~ee~~<br>~~ee~~|
|Frequency Accuracy (Initial Set-Tolerance)<br>**[Note 3]**<br>at time of shipment (Pre-Reflow) @ +25°C<br>~~ee~~||-10<br><br>~~|~~|< ±5<br>~~ee~~<br>~~|~~|+10<br>~~ee~~|ppm<br>~~ee~~|Relative to carrier frequency<br>~~ee~~<br>~~oo~~|
|Frequency Stability over**[Note 2, 3]**<br>Operating Temperature Range<br>~~ee ~~<br>~~po~~||-15<br> <br>~~|~~<br>~~|~~|~~ee~~<br>~~|~~<br>~~|~~|+15<br>~~ee~~|ppm<br>~~ee~~|Option “D”(-20°C to +70°C)<br>~~ee~~<br>~~oo~~<br>~~oo~~|
|||-20<br>~~|~~<br>~~|~~<br>~~|~~|~~|~~<br>~~|~~<br>~~|~~<br>~~|~~|+20||Option “Q”(-40°C to +85°C)<br>~~oo~~<br>~~oo~~<br>~~oo~~|
|||-25<br>~~|~~<br>~~|~~|~~|~~<br>~~|~~<br>~~|~~|+25||Option “F”(-40°C to +85°C)<br>~~oo~~<br>~~oo~~|
|Agingover 20 Year Product Life**[Note 4]**<br>~~po~~||-15<br>~~|~~<br>~~|~~|~~|~~<br>~~|~~<br>~~|~~|+15|ppm|~~oo~~<br>~~oo~~|
|All-Inclusive Frequency Accuracy (Total<br>Stability)<br>over 20 Year Product Life**[Notes 4, 5]**<br>~~po~~||-40<br>~~|~~<br>~~|~~<br>~~|~~|~~|~~<br>~~|~~<br>~~|~~<br>~~|~~|+40|ppm|Option “D”(-20°C to +70°C)<br>~~oo~~<br>~~oo~~<br>~~oo~~|
|||-45<br>~~|~~<br>~~|~~<br>~~|~~|~~|~~<br>~~|~~<br>~~|~~|+45||Option “Q”(-40°C to +85°C)<br>~~oo~~<br>~~oo~~<br>~~ee~~|
|||-50<br>~~|~~<br>~~|~~|~~|~~<br>~~|~~|+50||Option “F”(-40°C to +85°C)<br>~~oo~~<br>~~ee~~|



5101 Hidden Creek Ln Spicewood TX 78669 Phone: 512-371-6159 | Fax: 512-351-8858 **REVISED: 06-17-19** For terms and conditions of sales, please visit: www.abracon.com 

ABRACON IS ISO9001-2015 CERTIFIED | | 

**ClearClock™ Oscillator Family | Low Jitter | 7.0 x 5.0mm XO** 

|**Parameters**|**Parameters**|**Min.**|**Typ. **|**Max.**|**Unit**|**Notes**|
|---|---|---|---|---|---|---|
|Rise (Tr) / Fall (Tf) Time<br>20% to 80% Vpeak to peak|LVPECL<br>~~eee~~|~~eee~~<br>~~a~~|0.2<br>~~eee~~<br>~~ee~~|0.4<br>~~eee~~|ns|@ Vdd=3.3V, RL=50Ω<br>~~eee~~<br>~~pO~~|
|||~~eee~~<br>~~a~~<br>~~a~~|0.3<br>~~eee~~<br>~~ee~~<br>~~ee~~|0.6<br>~~eee~~||@ Vdd=2.5V, RL=50Ω<br>~~eee~~<br>~~pO~~<br>~~pO~~|
||LVDS|~~a~~<br>~~a~~<br>~~a~~|0.15<br>~~ee~~<br>~~ee~~<br>~~ee~~|0.4||@ Vdd=3.3V, RL=100Ω<br>~~pO~~<br>~~pO~~<br>~~pO~~|
|||~~a~~<br>~~a~~<br>~~a~~|0.15<br>~~ee~~<br>~~ee~~<br>~~ee~~|0.4||@ Vdd=2.5V, RL=100Ω<br>~~pO~~<br>~~pO~~<br>~~pO~~|
|||~~a~~<br>~~a~~<br>~~a~~|0.3<br>~~ee~~<br>~~ee~~<br>~~ee~~|0.5||@ Vdd=1.8V, RL=100Ω<br>~~pO~~<br>~~pO~~<br>~~pO~~|
||HCSL|~~a~~<br>~~a~~<br>~~a~~|0.3<br>~~ee~~<br>~~ee~~<br>~~ee~~|0.5||@ Vdd=3.3V, RL=50Ω to GND<br>~~pO~~<br>~~pO~~<br>~~pO~~|
|||~~a~~<br>~~a~~<br>~~a~~|0.3<br>~~ee~~<br>~~ee~~<br>~~ee~~|0.5||@ Vdd=2.5V, RL=50Ω to GND<br>~~pO~~<br>~~pO~~<br>~~po~~|
|||~~a~~<br>~~a~~|0.3<br>~~ee~~<br>~~ee~~<br>~~GO~~|0.6<br>~~GO~~||@ Vdd=1.8V, RL=50Ω to GND<br>~~pO~~<br>~~po~~|
|Duty Cycle<br>~~eG~~||45<br>~~a~~<br>~~eG~~|~~ee~~<br>~~eG~~<br>~~GO~~|55<br>~~eG~~<br>~~GO~~|%<br>~~eG~~|~~po~~<br>~~eG~~|
|Start-up Time**[Note 2]**<br>~~se~~||~~se~~|< 2<br>~~GO~~<br>~~se~~|5.0<br>~~GO~~<br>~~se~~|ms<br>~~se~~|~~se~~|



**7.0 x 5.0 x 1.8 mm RoHS/RoHS II Compliant MSL Level = 1** 

Note 1: Supply voltage (Vdd) = 1.8V option not available with LVPECL output Note 2: Relative to initial measured frequency @ +25°C Note 3:  Option Q only available in select frequencies. Please contact Abracon for availability Note 4: Relative to post-reflow frequency 

Note 5: Includes temperature stability, initial frequency accuracy, load pulling, power supply variation, and 20-year aging 

5101 Hidden Creek Ln Spicewood TX 78669 ABRACON IS Phone: 512-371-6159 | Fax: 512-351-8858 **REVISED: 06-17-19** ISO9001-2015 For terms and conditions of sales, please visit: CERTIFIED www.abracon.com | | 

**ClearClock™ Oscillator Family | Low Jitter | 7.0 x 5.0mm XO** 

**AK7** 

|**Parameters**|**Parameters**|**Parameters**|**Min.**|**Typ. **|**Max.**|**Unit**|**Notes**|
|---|---|---|---|---|---|---|---|
|Differential<br>Output High Voltage (VOH)<br>Output Low Voltage (VOL)|LVPECL<br>~~ee~~|VOH<br>~~ee~~|Vdd-1.03<br>~~ee~~|~~ee~~|Vdd-0.88<br>~~ee~~|V<br> <br>~~ee~~|RL=50Ω to Vdd-2.0V<br>~~ee~~|
|||VOL<br>~~ee~~|Vdd-1.85<br>~~ee~~|~~ee~~|Vdd-1.60<br>~~ee~~|||
||LVDS<br>~~ee~~<br>~~es~~|VOH<br>~~ee~~|~~ee~~|1.40<br>~~ee~~|1.60<br>~~ee ~~||RL=100Ω between<br>both outputs<br> ~~ee~~<br>~~ee~~|
|||VOL<br>~~es~~|0.90<br>~~ee~~|1.10<br>~~ee~~|~~ee~~|||
||HCSL<br>~~es~~|VOH<br>~~es~~|0.40<br>~~ee~~|0.74<br>~~ee~~|0.85<br>~~ee~~||RL=50Ω to ground<br>on each output<br>~~ee~~|
|||VOL<br>~~es~~|-0.15<br>~~ee~~|0.00<br>~~ee~~|0.15<br>~~ee~~|||
|Output Voltage Swing<br>~~es ~~<br>~~i~~<br>|||0.595<br> ~~ee ~~<br>~~i~~<br>~~ee~~<br><br>~~ee~~|0.750<br> ~~ee ~~<br>~~i~~<br>~~eee~~<br><br>~~ee~~|0.930<br> ~~ee~~<br>~~i~~<br>~~eee~~<br><br>~~ee~~|V<br>~~ee ~~<br>~~i~~<br>~~eee~~<br>|LVPECL<br> ~~ee~~<br>~~i~~<br>~~PO~~<br>~~=~~|
||||0.250<br>~~i~~<br>~~ee~~<br>~~ee~~<br><br>~~ee~~|0.350<br>~~i~~<br>~~eee~~<br>~~ee~~<br><br>~~ee~~|0.450<br>~~i~~<br>~~eee~~<br>~~eee~~<br><br>~~ee~~||LVDS<br>~~i~~<br>~~PO~~<br>~~Po~~<br>~~=~~|
||||0.620<br>~~i~~<br>~~ee~~<br>~~ee~~<br><br>~~ee~~|0.700<br>~~i~~<br>~~eee~~<br>~~ee~~<br><br>~~ee~~|0.780<br>~~i~~<br>~~eee~~<br>~~eee~~<br><br>~~ee~~||HCSL<br>~~i~~<br>~~PO~~<br>~~Po~~<br>~~=~~|
|Output Enable & Disable Control<br>~~i~~<br>~~FE~~|||0.7*(Vdd)<br>~~i~~<br>~~ee ~~<br>~~FE~~<br>~~ee~~|~~i~~<br> ~~ee ~~<br>~~FE~~<br>~~ee~~|~~i~~<br> ~~eee~~<br>~~FE~~<br>~~ee~~<br>~~ee~~|V<br>~~i~~<br>~~FE~~|Output Enable or No<br>Connect<br>~~i~~<br>~~Po~~<br>~~FE=~~<br>~~eee~~|
||||~~FE~~<br>~~ee~~|~~FE~~<br>~~ee~~|0.3*(Vdd)<br>~~FE~~<br>~~ee~~<br>~~ee~~||Output Disable (High<br>Impedance)<br>~~FE=~~<br>~~eee~~|
|Output Enable Time<br><br>~~GC~~|||~~ee~~<br>~~GC~~|< 1<br><br>~~ee~~<br>~~GC~~|5.0<br><br>~~ee~~<br>~~ee~~<br>~~GC~~|ms<br><br>~~GC~~|~~=~~<br>~~eee~~<br>~~GC~~|
|Output Disable Time<br><br>~~GC~~<br>~~GG~~<br>~~eeee~~|||~~ee~~<br>~~GC~~<br>~~GG~~|~~ee~~<br>~~GC~~<br>~~GG~~|0.2<br><br>~~ee~~<br>~~GC~~<br>~~GG~~<br>~~ee~~|µs<br><br>~~GC~~<br>~~GG~~<br>~~ee~~|~~=~~<br>~~GC~~<br>~~GG~~<br>~~ee~~|
|Output Disable Current Consumption<br>~~eeee~~|||||< 10<br>~~ee~~|µA<br>~~ee~~|OE ≤ 0.3V<br>~~ee~~|
|RMS Phase Jitter**[Note 6, 7, 8]**<br>@ +25°C<br>(12kHz- 20MHz BW)<br>~~ee ~~|**@ 200 MHz**<br> ~~ee~~|LVPECL<br>~~ee~~<br>~~pp~~|~~pp~~|70<br>~~pp~~|95<br>~~ee~~<br>~~pp~~|fsec<br>~~ee~~<br> ~~Po~~<br> ~~Po~~<br>~~Po~~|@Vdd=3.3V<br>~~ee~~<br>~~Po~~|
||||~~pp~~|80<br>~~pp~~|105<br>~~ee~~<br>~~pp~~||@Vdd=2.5V<br>~~ee~~<br>~~Po~~|
|||LVDS<br>~~pp~~<br>~~pp~~|~~pp~~<br>~~pp~~|125<br>~~pp~~<br>~~pp~~|150<br>~~pp~~<br>~~pp~~||@Vdd=3.3V<br>~~Po~~<br>~~Po~~|
||||~~pp~~<br>~~pp~~|150<br>~~pp~~<br>~~pp~~|175<br>~~pp ~~<br>~~pp~~||@Vdd=2.5V<br>~~Po~~<br>~~Po~~|
|||HCSL<br>~~pp~~<br>~~pp~~|~~pp~~<br>~~pp~~|120<br>~~pp~~<br>~~pp~~|145<br>~~pp~~<br>~~pp~~||@Vdd=3.3V<br>~~Po~~<br>~~Po~~|
||||~~pp~~<br>~~pp~~|135<br>~~pp~~<br>~~pp~~|160<br>~~pp ~~<br>~~pp~~||@Vdd=2.5V<br>~~Po~~<br>~~Po~~|
||**@ 156.25**<br>**MHz**|LVPECL<br>~~pp~~<br>~~pp~~|~~pp~~<br>~~pp~~|75<br>~~pp~~<br>~~pp~~|100<br>~~pp~~<br>~~pp~~|fsec<br> ~~Po~~<br> ~~Po~~<br>~~Po~~<br>~~Po~~|@Vdd=3.3V<br>~~Po~~<br>~~Po~~|
||||~~pp~~<br>~~pp~~|80<br>~~pp~~<br>~~pp~~|105<br>~~pp ~~<br>~~pp~~||@Vdd=2.5V<br>~~Po~~<br>~~Po~~|
|||LVDS<br>~~pp~~<br>~~pp~~|~~pp~~<br>~~p~~|90<br>~~pp~~|115<br>~~pp~~||@Vdd=3.3V<br>~~Po~~<br>~~Po~~|
||||~~pp~~<br>~~p~~|80<br>~~pp~~|105<br>~~pp ~~||@Vdd=2.5V<br>~~Po~~<br>~~Po~~|
|||HCSL<br>~~pp~~<br>~~pr~~|~~p~~<br>~~pr~~|110<br>~~pr~~|135<br>~~pr~~||@Vdd=3.3V<br>~~Po~~<br>~~Po~~|
||||~~pr~~|115<br>~~pr~~|140<br>~~pr~~||@Vdd=2.5V<br>~~Po~~|
||**@ 148.5 MHz**<br>~~|~~|LVPECL<br>~~pr~~<br>~~pp~~<br>~~ee~~|~~pr~~<br>~~pp~~|115<br>~~pr~~<br>~~pp~~|140<br>~~pr ~~<br>~~pp~~|fsec<br> ~~Po~~<br> ~~PO~~<br> ~~PO~~<br>~~e~~|@Vdd=3.3V<br>~~Po~~<br>~~PO~~|
||||~~pp~~<br>~~ee~~|95<br>~~pp~~<br>~~ee~~|120<br>~~pp~~<br>~~ee~~||@Vdd=2.5V<br>~~PO~~<br>~~PO~~|
|||LVDS<br>~~pp~~<br>~~ee~~<br>~~|~~|~~pp~~<br>~~ee~~|125<br>~~pp~~<br>~~ee~~|150<br>~~pp ~~<br>~~ee~~||@Vdd=3.3V<br>~~PO~~<br>~~PO~~|
||||~~ee~~<br>~~ee~~<br>|120<br>~~ee~~<br>~~ee~~<br>|145<br>~~ee~~<br>~~**ee**e~~<br>||@Vdd=2.5V<br>~~PO~~<br>~~**PO**~~|
|||HCSL<br>~~ee ~~<br>~~| ~~|~~ee ~~<br>~~ee~~<br>~~ee~~|130<br> ~~ee ~~<br>~~ee~~<br>~~ee~~|155<br> ~~ee ~~<br>~~**ee**e~~<br>~~ee~~||@Vdd=3.3V<br>~~PO~~<br>~~**PO**~~|
||||~~ee~~<br>~~ee~~<br>~~ee~~|135<br>~~ee~~<br>~~ee~~<br>~~e~~|160<br>~~**ee**e~~<br>~~ee~~<br>~~e~~||@Vdd=2.5V<br>~~**PO**~~<br>~~o~~|
||||~~ee~~<br> ~~ee~~<br>~~ee~~|115<br>~~ee~~<br>~~ee~~<br>~~e~~|140<br>~~**ee**e~~<br>~~ee~~<br>~~e~~||@Vdd=1.8V<br>~~**PO**~~<br>~~o~~|



**ClearClock™ Oscillator Family | Low Jitter | 7.0 x 5.0mm XO** 

|**Parameters**<br>~~ee~~|**Parameters**<br>~~ee~~|**Parameters**<br>~~ee~~|**Min.**<br>~~ee~~|**Typ. **<br>~~ee~~|**Max.**<br>~~ee~~|**Unit**<br>~~ee~~|**Notes**<br>~~eee~~|
|---|---|---|---|---|---|---|---|
|RMS Phase Jitter**[Note 6, 7, 8]**<br>@ +25°C<br>(12kHz- 20MHz BW)|**@ 125 MHz**|LVPECL<br>~~ee~~|~~ee~~<br>~~ee~~|100<br>~~ee~~<br>~~ee~~|125<br>~~ee~~<br>~~ee~~|fsec<br>~~ee ~~<br>~~ee~~<br>~~Pp~~<br>~~ee~~<br>~~Pp~~<br>~~ee~~<br>~~Pp~~<br>~~ee~~<br>~~Pp~~<br>~~ee~~<br>~~Pp~~<br>~~ee~~<br>~~Pp~~<br>~~ee~~<br>~~Pp~~<br>~~Pp~~|@Vdd=3.3V<br>~~eee~~<br>~~Pp~~|
||||~~ee~~<br>~~ee~~<br>~~ee~~|100<br>~~ee~~<br>~~ee~~<br>~~ee~~|125<br>~~ee~~<br>~~ee~~<br>~~ee~~||@Vdd=2.5V<br>~~eee~~<br>~~Pp~~<br>~~Pp~~|
|||LVDS<br>~~ee ~~|~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|150<br>~~ee ~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|175<br> ~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~||@Vdd=3.3V<br> ~~eee~~<br>~~Pp~~<br>~~Pp~~<br>~~Pp~~|
||||~~ee~~<br>~~ee~~<br>~~ee~~|110<br>~~ee~~<br>~~ee~~<br>~~ee~~|135<br>~~ee~~<br>~~ee~~<br>~~ee~~||@Vdd=2.5V<br>~~Pp~~<br>~~Pp~~<br>~~Pp~~|
||||~~ee~~<br>~~ee~~<br>~~ee~~|140<br>~~ee~~<br>~~ee~~<br>~~ee~~|165<br>~~ee~~<br>~~ee~~<br>~~ee~~||@Vdd=1.8V<br>~~Pp~~<br>~~Pp~~<br>~~Pp~~|
|||HCSL<br>~~EE~~|~~ee ~~<br>~~ee~~<br>~~ee~~|135<br> ~~ee~~<br>~~ee~~<br>~~ee~~|160<br>~~ee~~<br>~~ee~~<br>~~ee~~||@Vdd=3.3V<br>~~Pp~~<br>~~Pp~~<br>~~Pp~~|
||||~~ee~~<br>~~ee~~<br>~~ee~~|140<br>~~ee~~<br>~~ee~~<br>~~ee~~|165<br>~~ee~~<br>~~ee~~<br>~~ee~~||@Vdd=2.5V<br>~~Pp~~<br>~~Pp~~<br>~~Pp~~|
||||~~ee~~<br>~~ee~~<br>~~EE~~|135<br>~~ee~~<br>~~ee~~<br>~~EE~~|160<br>~~ee~~<br>~~ee~~<br>~~EE~~||@Vdd=1.8V<br>~~Pp~~<br>~~Pp~~<br>~~Pp~~|
||**@ 122.88 MHz**|LVPECL<br>~~EE~~|~~ee ~~<br>~~EE~~<br>~~ee~~|150<br> ~~ee~~<br>~~EE~~<br>~~ee~~|175<br>~~ee~~<br>~~EE~~<br>~~ee~~|fsec<br>~~ee~~<br>~~Pp~~<br>~~Pp~~<br>~~ee~~<br>~~Pp~~<br>~~ee~~<br>~~Pp~~<br>~~ee~~<br>~~Pp~~<br>~~ee~~<br>~~Pp~~<br>~~ee~~<br>~~ee~~<br>~~ee ~~<br>~~ee~~<br>~~ee~~<br>~~Pp~~|@Vdd=3.3V<br>~~Pp~~<br>~~Pp~~<br>~~Pp~~|
||||~~EE~~<br>~~ee~~<br>~~ee~~|155<br>~~EE~~<br>~~ee~~<br>~~ee~~|180<br>~~EE~~<br>~~ee~~<br>~~ee~~||@Vdd=2.5V<br>~~Pp~~<br>~~Pp~~<br>~~Pp~~|
|||LVDS<br>~~EE~~|~~EE~~<br>~~ee ~~<br>~~ee~~<br>~~ee~~|130<br>~~EE~~<br> ~~ee~~<br>~~ee~~<br>~~ee~~|155<br>~~EE~~<br>~~ee~~<br>~~ee~~<br>~~ee~~||@Vdd=3.3V<br>~~Pp~~<br>~~Pp~~<br>~~Pp~~<br>~~Pp~~|
||||~~ee~~<br>~~ee~~<br>~~ee~~|115<br>~~ee~~<br>~~ee~~<br>~~ee~~|140<br>~~ee~~<br>~~ee~~<br>~~ee~~||@Vdd=2.5V<br>~~Pp~~<br>~~Pp~~<br>~~Pp~~|
||||~~ee~~<br>~~ee~~<br>~~ee~~|165<br>~~ee~~<br>~~ee~~<br>~~ee~~|190<br>~~ee~~<br>~~ee~~<br>~~ee~~||@Vdd=1.8V<br>~~Pp~~<br>~~Pp~~<br>~~pe~~|
|||HCSL<br>~~ee~~|~~ee~~<br>~~ee~~<br>~~ee~~|135<br>~~ee~~<br>~~ee~~<br>~~ee~~|160<br>~~ee~~<br>~~ee~~<br>~~ee~~||@Vdd=3.3V<br>~~Pp~~<br>~~pe~~<br>~~pe~~|
||||~~ee ~~<br>~~ee~~<br>~~ee~~|140<br> ~~ee~~<br>~~ee~~<br>~~**ee**~~|165<br>~~ee~~<br>~~ee~~<br>~~ee~~||@Vdd=2.5V<br>~~pe~~<br>~~pe~~<br>~~**pe**~~|
||||~~ee ~~<br>~~ee~~<br>~~ee~~|125<br> ~~ee~~<br>~~**ee**~~|150<br>~~ee~~<br>~~ee~~||@Vdd=1.8V<br>~~pe~~<br>~~**pe**~~|
||**@ 100 MHz**|LVDS<br>~~ee~~|~~ee~~<br>~~ee~~<br>~~ee~~|155<br>~~**ee**~~<br>~~ee~~|180<br>~~ee~~<br>~~ee~~||@Vdd=2.5V<br>~~**pe**~~<br>~~pe~~|
|||HCSL<br>~~ee~~|~~ee ~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|145<br> ~~**ee** ~~<br>~~ee~~<br>~~ee~~|170<br> ~~ee~~<br>~~ee~~<br>~~ee~~||@Vdd=3.3V<br> ~~**pe**~~<br>~~pe~~<br>~~Pp~~|
||||~~ee ~~<br>~~ee~~<br>~~ee~~|120<br> ~~ee~~<br>~~ee~~<br>~~es~~|145<br>~~ee~~<br>~~ee~~||@Vdd=2.5V<br>~~pe~~<br>~~Pp~~|
||||~~ee ~~<br>~~ee~~|155<br> ~~ee~~<br>~~es~~|180<br>~~ee~~|~~ee~~<br>~~Pp~~|@Vdd=1.8V<br>~~Pp~~|



## **Phase Noise Test Setup** 

- Keysight E5052B Signal Source Analyzer 

- Integration Bandwidth = 12kHz to 20MHz 

- Spurious Activity (entire plot trace) = Not omitted (Normalized in dBc/Hz) 

- Specifed Spur Omission Function = Not enabled 

- IF Gain = 20dB 

- Correlation = 5 

- Average = 3 

Note 6: Guaranteed by characterization; RMS phase jitter specifications are inclusive of any spurs Note 7: RMS phase jitter measured with Keysight E5052B Signal Source Analyzer Note 8: Refer to next section for phase noise test setup and representative phase noise plots 

5101 Hidden Creek Ln Spicewood TX 78669 ABRACON IS Phone: 512-371-6159 | Fax: 512-351-8858 **REVISED: 06-17-19** ISO9001-2015 For terms and conditions of sales, please visit: CERTIFIED www.abracon.com | | 

## **ClearClock™ Oscillator Family | Low Jitter | 7.0 x 5.0mm XO** 

## **AK7** Request Samples Check Inventory eee fx ESD Sensitive (he) **Representative Phase Noise Plots @ +25°C[[Note 9]]** 

**7.0 x 5.0 x 1.8 mm RoHS/RoHS II Compliant MSL Level = 1** 

**F=156.2500MHz | Vdd=3.3V | LVPECL RMS Phase Jitter = 69 fsec** 

**F=156.2500MHz | Vdd=2.5V | LVPECL** 

**RMS Phase Jitter = 77 fsec** 

**F=156.2500MHz | Vdd=3.3V | LVDS RMS Phase Jitter = 88 fsec** 

**F=156.2500MHz | Vdd=2.5V | LVDS RMS Phase Jitter = 79 fsec** 

**==> picture [8 x 9] intentionally omitted <==**

**----- Start of picture text -----**<br>
re<br>**----- End of picture text -----**<br>


Note 9: Contact Abracon for phase noise plots at alternative supply voltage (Vdd) & differential output formats 

5101 Hidden Creek Ln Spicewood TX 78669 Phone: 512-371-6159 | Fax: 512-351-8858 **REVISED: 06-17-19** For terms and conditions of sales, please visit: www.abracon.com 

ABRACON IS ISO9001-2015 CERTIFIED 

## **ClearClock™ Oscillator Family | Low Jitter | 7.0 x 5.0mm XO** 

**AK7** Request Samples Check Inventory eee 4 ESD Sensitive 

**7.0 x 5.0 x 1.8 mm RoHS/RoHS II Compliant MSL Level = 1** 

**F=156.2500MHz | Vdd=3.3V | HCSL F=156.2500MHz | Vdd=2.5V | HCSL RMS Phase Jitter = 103 fsec RMS Phase Jitter = 109 fsec** 

**F=125.0000MHz | Vdd=3.3V | LVPECL RMS Phase Jitter = 88 fsec** 

**F=125.0000MHz | Vdd=1.8V | LVDS RMS Phase Jitter = 136 fsec** 

Note 9: Contact Abracon for phase noise plots at alternative supply voltage (Vdd) & differential output formats 

5101 Hidden Creek Ln Spicewood TX 78669 Phone: 512-371-6159 | Fax: 512-351-8858 **REVISED: 06-17-19** For terms and conditions of sales, please visit: www.abracon.com 

ABRACON IS ISO9001-2015 CERTIFIED 

## **ClearClock™ Oscillator Family | Low Jitter | 7.0 x 5.0mm XO** 

## **AK7** eee 

Request Samples Check Inventory fx ESD Sensitive (he) 

**7.0 x 5.0 x 1.8 mm RoHS/RoHS II Compliant MSL Level = 1** 

**F=100.0000MHz | Vdd=3.3V | HCSL RMS Phase Jitter = 131 fsec** 

**F=100.0000MHz | Vdd=2.5V | HCSL RMS Phase Jitter = 114 fsec** 

**F=148.5000MHz | Vdd=3.3V | LVPECL RMS Phase Jitter = 114 fsec** 

Note 9: Contact Abracon for phase noise plots at alternative supply voltage (Vdd) & differential output formats 

5101 Hidden Creek Ln Spicewood TX 78669 Phone: 512-371-6159 | Fax: 512-351-8858 **REVISED: 06-17-19** For terms and conditions of sales, please visit: www.abracon.com 

ABRACON IS ISO9001-2015 CERTIFIED 

**ClearClock™ Oscillator Family | Low Jitter | 7.0 x 5.0mm XO AK7** Request Samples Check Inventory **7.0 x 5.0 x 1.8 mm RoHS/RoHS II Compliant** — ~~22~~ **MSL Level = 1 Options and Part Identification[[Note 10]]** AK7                                        - **(1): Output (3): Stability over OTR (5): Output Frequency (6): Packaging** P: LVPECL D: ±15 ppm over -20°C to +70°C **in MHz** Blank: Bulk **(***)** D: LVDS Q: ±20 ppm over -40°C to +85°C **(**)** Please specify the T2: Tape&Reel 250 units H: HCSL F:  ±25 ppm over -40°C to +85°C Frequency in T: Tape&Reel 1,000 units **(**) Contact Abracon for availability** units of MHz out to **4-digit** accuracy **(***) MOQ: 50 units** after the decimal. _Example:_ “156.2500”=156.25MHz **(2): Vdd** A: 3.3V B: 2.5V **(4): OE Function** ~~o~~ C: 1.8V **(*)** 1: OE Pin 1; Active High **(*) Excluding LVPECL** 3: OE Pin 2; Active High _**Part Number Example:**_ 

AK7PAF1-156.2500 AK7PAF1-156.2500T2 AK7PAF1-156.2500T 

Note 10: Contact Abracon for non-standard part number configurations and/or requests with carrier frequency callouts up to 5 & 6 digit accuracy after the decimal 

5101 Hidden Creek Ln Spicewood TX 78669 ABRACON IS Phone: 512-371-6159 | Fax: 512-351-8858 **REVISED: 06-17-19** ISO9001-2015 For terms and conditions of sales, please visit: CERTIFIED www.abracon.com 

## **ClearClock™ Oscillator Family | Low Jitter | 7.0 x 5.0mm XO** 

**AK7** Request Samples a 

Check Inventory 

**7.0 x 5.0 x 1.8 mm RoHS/RoHS II Compliant MSL Level = 1** 

**Typical Frequency vs. Temperature Characteristics** 

## **Differential Output Waveform** 

**==> picture [251 x 36] intentionally omitted <==**

**----- Start of picture text -----**<br>
5101 Hidden Creek Ln Spicewood TX 78669<br>Phone: 512-371-6159 | Fax: 512-351-8858               REVISED: 06-17-19<br>For terms and conditions of sales, please visit:<br>www.abracon.com<br>**----- End of picture text -----**<br>


**==> picture [45 x 27] intentionally omitted <==**

**----- Start of picture text -----**<br>
ABRACON IS<br>ISO9001-2015<br>CERTIFIED<br>**----- End of picture text -----**<br>


**ClearClock™ Oscillator Family | Low Jitter | 7.0 x 5.0mm XO** 

**AK7** a 

Request Samples 

**==> picture [61 x 9] intentionally omitted <==**

**----- Start of picture text -----**<br>
Check Inventory<br>**----- End of picture text -----**<br>


**7.0 x 5.0 x 1.8 mm RoHS/RoHS II Compliant MSL Level = 1** 

**Recommended Test Circuit[[Note 11]]** 

Note 11: Recommended test circuit images are representative of when the OE Function is located on Pin 1; when the OE Function is located on Pin 2, then Pin 1=No Connect & Pin 2=OE or No Connect. 

5101 Hidden Creek Ln Spicewood TX 78669 Phone: 512-371-6159 | Fax: 512-351-8858 **REVISED: 06-17-19** For terms and conditions of sales, please visit: www.abracon.com 

ABRACON IS ISO9001-2015 CERTIFIED 

## **ClearClock™ Oscillator Family | Low Jitter | 7.0 x 5.0mm XO** 

**AK7** PO 

Request Samples 

Check Inventory 

**7.0 x 5.0 x 1.8 mm RoHS/RoHS II Compliant MSL Level = 1** 

## **Mechanical Dimensions** 

|**Case 1**<br>**Pin #1=Output Enable/Disable**<br>**Function**<br>**_where_ OE is Active HIGH**<br>~~=~~|**Case 1**<br>**Pin #1=Output Enable/Disable**<br>**Function**<br>**_where_ OE is Active HIGH**<br>~~=~~|**Case 2**<br>**Pin #2=Output**<br>**Enable/Disable Function**<br>**_where_ OE is Active HIGH**|**Case 2**<br>**Pin #2=Output**<br>**Enable/Disable Function**<br>**_where_ OE is Active HIGH**|
|---|---|---|---|
|**Pin**|**Description**|**Pin**|**Description**|
|**# 1**|Output Enable =<br>Logic High,"1", Vdd|**# 1**|No Connect|
||Output Disable =<br>Logic Low,"0", GND|**# 2**|Output Enable =<br>Logic High,"1", Vdd|
|**# 2**|No Connect||Output Enable =<br>Logic Low,"0", GND|
|**# 3**|GND|**# 3**|GND|
|**# 4**|Output|**# 4**|Output|
|**# 5**|Complementaryoutput|**# 5**|Complementaryoutput|
|**# 6**|SupplyVoltage(Vdd)|**# 6**|SupplyVoltage(Vdd)|



5101 Hidden Creek Ln Spicewood TX 78669 ABRACON IS Phone: 512-371-6159 | Fax: 512-351-8858 **REVISED: 06-17-19** ISO9001-2015 For terms and conditions of sales, please visit: CERTIFIED www.abracon.com 

**ClearClock™ Oscillator Family | Low Jitter | 7.0 x 5.0mm XO** 

## **AK7** eee 

Request Samples Check Inventory ges ESD Sensitive 

**7.0 x 5.0 x 1.8 mm RoHS/RoHS II Compliant MSL Level = 1** 

## **Reflow Profile [JEDEC J-STD-020]** 

**==> picture [191 x 157] intentionally omitted <==**

**----- Start of picture text -----**<br>
Table 1<br>SnPb Eutectic Process<br>Classification Temperatures (Tc)<br>Package  Volume mm [3  ] Volume mm [3  ]<br>Thickness  <350  >350<br><2.5 mm 235 °C 220 °C<br>> > 2.5 mm  220 °C 220 °C :<br>Table 2<br>Pb-Free Process<br>Classification Temperatures (Tc)<br>Package  Volume mm [3  ] Volume mm [3  ] Volume mm [3  ]<br>Thickness  <350  350-2000  >2000<br><1.6 mm 260 °C 260 °C 260 °C<br>1.6 mm - 2.5 mm 260 °C 250 °C 245 °C<br>>2.5 mm 250 °C 245 °C 245 °C<br>**----- End of picture text -----**<br>


|**Profile Feature**|**Sn-Pb Eutectic**<br>**Assembly**|**Pb-Free**<br>**Assembly**|
|---|---|---|
|Preheat/soak|||
|Temperature minimum(Tsmin)|100°C|150°C|
|Temperature maximum(Tsmax)|150°C|200°C|
|Time(Tsminto Tsmax) (ts)|60 - 120 sec.|60 - 120 sec.|
|Average ramp-uprate(Tsmaxto TP)|3°C/sec. max|3°C/sec. max|
|Liquidous temperature(TL)|183°C|217°C|
|Time at liquidous(tL)|60 - 150 sec.|60 - 150 sec.|
|Peakpackage bodytemperature(TP)*****|**see Table 1**|**see Table 2**|
|Time(tp**)**** within 5°C of the specified classification temperature(TC)|20 sec.|30 sec.|
|Ramp-down rate(Tpto Tsmax)|6°C/sec. max|6°C/sec. max|
|Time 25°C topeak temperature|6 min. max|8 min. max|
|Reflow cycles|2 max|2 max|



***** Tolerance for peak profile temperature (TP) is defined as a supplier minimum and a user maximum. 

****** Tolerance for time at peak profile temperature (tp) is defined as supplier minimum and a user maximum. 

5101 Hidden Creek Ln Spicewood TX 78669 ABRACON IS Phone: 512-371-6159 | Fax: 512-351-8858 **REVISED: 06-17-19** ISO9001-2015 For terms and conditions of sales, please visit: CERTIFIED www.abracon.com 

## **ClearClock™ Oscillator Family | Low Jitter | 7.0 x 5.0mm XO** 

**AK7** oo 

Request Samples 

Check Inventory 

**7.0 x 5.0 x 1.8 mm RoHS/RoHS II Compliant MSL Level = 1** 

**Packaging** 

**ATTENTION: Abracon LLC’s products are COTS – Commercial-Off-The-Shelf products; suitable for Commercial, Industrial and, where designated, Automotive Applications. Abracon’s products are not specifically designed for Military, Aviation, Aerospace, Life-dependent Medical applications or any application requiring high reliability where component failure could result in loss of life and/or property. For applications requiring high reliability and/or presenting an extreme operating environment, written consent and authorization from Abracon LLC is required. Please contact Abracon LLC for more information.** 

5101 Hidden Creek Ln Spicewood TX 78669 ABRACON IS Phone: 512-371-6159 | Fax: 512-351-8858 **REVISED: 06-17-19** ISO9001-2015 For terms and conditions of sales, please visit: CERTIFIED www.abracon.com | | 



## Links

- [View this product on Novapart](https://novapart.co/products/AK7DAF1-156.2500T2/oscillator-15625mhz-lvds-smd-7mm-x-5mm-33-v)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/abracon/ak7daf1-156-2500t2/osc-156-25mhz-lvds-smd-7mm-x-5mm/dp/4327355)
---

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