# TCXO, 32.768 kHz, 5 ppm, SMD, 2.15mm x 1.35mm, CMOS, 3.3 V, ATXK-H14 Series

![Product image](https://novapart.co/image/farnell:4062652RL/)

**URL**: https://novapart.co/products/ATXK-H14-E-32.768KHZ-E50-T3/tcxo-32768-khz-5-ppm-smd-215mm-x-135mm-cmos-33-v
**SKU**: ATXK-H14-E-32.768KHZ-E50-T3
**Manufacturer**: ABRACON
**Price**: €2.3600
**Stock**: 500+
**Lead Time**: 134 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| Frequency Nom | 32.768kHz |
| Product Range | ATXK-H14 Series |
| Supply Voltage Nom | 3.3V |
| Frequency Stability + / - | 5ppm |
| Operating Temperature Max | 85°C |
| Operating Temperature Min | -40°C |
| Oscillator Case / Package | SMD, 2.15mm x 1.35mm |
| Oscillator Output Compatibility | CMOS |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4062652RL/)

## **32.768kHz Miniature TCXO** 

## **ATXK-H14** 

Request Samples 

## Check Inventory 

**2.15 x 1.35 x 1.1 mm RoHS/RoHS II Compliant MSL Level = 1** 

## **Features** 

- Miniature package size 2.15 x 1.35 x 1.1mm 

- Frequency Stability options: ±3.8ppm over -10 to +60°C, ±5.0ppm over -40 to +85°C, & ±8.0ppm over -40 to +105°C 

- Output waveform CMOS 

- Low power consumption 

- Supply Voltage options: 3.3V, 2.5V, 1.8V 

## **Applications** 

- Frequency reference for real time clocks (RTCs) 

- Portable & wearable electronics 

- Internet of Things (IoT) 

- Consumer electronics 

- Timing synchronization for networks, servers, hubs, routers & switches 

## **Electrical Specifications[[Note 1]]** 

|**Parameters**<br>~~a~~|**Parameters**<br>~~a~~|**Min.**|**Typ. **|**Max.**|**Units**<br>~~—~~|**Notes**|
|---|---|---|---|---|---|---|
|Frequency (fc)<br>~~a~~||32.768|||kHz<br>~~—~~||
|Frequency (fc)<br>Operating Temperature Range<br>~~a~~<br>~~yt,~~||-40<br>~~yt,~~|~~yt,~~|+85<br>~~yt,~~|°C<br>~~—~~<br>~~yt,~~|**_See Options_**<br>~~yt,~~|
|Operating Temperature Range<br>Storage Temperature Range<br>~~yt,~~||-55<br>~~yt,~~|~~—~~<br>~~yt,~~|+105<br>~~—~~<br>~~yt,~~|°C<br>~~yt,~~|~~yt,~~|
|Storage Temperature Range<br>**_Frequency Stability ∆f/fo vs:_**<br>~~eT~~<br>~~—~~<br>~~yt,~~<br>~~———~~<br>~~Pp~~|||||||
|**_Frequency Stability ∆f/f_**<br>**_Tolerance_**<br>~~eT~~<br>~~yt,~~<br>~~———~~<br>~~ee~~||-2.5<br>~~eT~~<br>~~yt,~~<br>~~SE~~|~~yt,~~<br>~~SE~~|+2.5<br>~~yt,~~<br>~~SE~~|ppm<br>~~yt,~~<br>~~Pp~~<br>~~P~~<br>~~pO~~<br>~~pO~~|Reference to fc (at 25°C±2°C), Pre-reflow<br>~~yt,~~<br>~~Pp~~<br>~~P~~~~**p**~~|
|**_Tolerance_**<br>~~eT~~<br>~~———~~<br>~~ee~~||**_Tolerance_**<br>-3.0<br>~~eT~~<br>~~SE~~|~~SE~~|+3.0<br>~~SE~~||Reference to fc (at 25°C ±2°C), 24 hours after<br>reflow,one time<br>~~Pp~~<br>~~P~~~~**p**~~<br>~~pO~~|
|**_Temperature_**<br>~~———~~<br>~~ee~~||-5.0<br>~~SE~~|~~SE~~<br>~~ee~~|+5.0<br>~~SE~~<br>~~ee~~||**_See Options_**Reference to frequency tolerance<br>reading (fo) at 25°C ±2°C<br>~~Pp~~<br>~~P~~~~**p**~~<br>~~pO~~<br>~~o~~|
|**_Load Change_**<br>~~———~~<br>~~ee~~||-0.2<br>~~SE~~|~~SE~~<br>~~ee~~|+0.2<br>~~SE~~<br>~~ee~~||reading (fo) at 25<br>Load ± 10%<br>~~Pp~~<br>~~P~~~~**p**~~<br>~~pO~~<br>~~o~~<br>~~pO~~|
|**_Supply Voltage Change _**<br>~~———~~<br>~~ee~~||-1.0<br>~~SE~~|~~SE~~<br>~~ee~~|+1.0<br>~~SE~~<br>~~ee~~|ppm/V<br>~~Pp~~<br>~~P~~<br>~~pO~~|~~Pp~~<br>~~P~~~~**p**~~<br>~~o~~<br>~~pO~~|
|Aging<br>~~ee~~<br>~~—~~||-3.0<br>~~SE~~|~~SE~~<br>~~ee~~|+3.0<br>~~SE~~<br>~~ee~~|ppm<br>~~P~~<br>~~pO~~|First year at +25°C±2°C<br>~~P~~~~**p**~~<br>~~o~~<br>~~pO~~|
|Timing error over time<br>(±5 ppm over-40°C to +85°C)<br>~~—~~<br>~~a~~||±0.432 sec/day; ±12.960 sec/month; ±2.628 minutes/year|||~~Po~~|Reference to frequency tolerance reading (fo) at<br>25°C ±2°C<br>~~Po~~|
|(±5 ppm overC)<br>Supply Voltage (VDD)**[Note 2]**<br>~~a~~||+3.135|+3.3|+3.465|V<br>~~Po~~<br>~~po~~<br>~~ee~~|Option E<br>~~Po~~|
|||+2.375<br>~~-—__}~~|+2.5<br>~~-—__}~~|+2.625<br>~~-—__}~~||Option C<br>~~Po~~<br>~~po~~|
|||+1.71<br>~~-—__}~~<br>~~ae~~|+1.8<br>~~-—__}~~<br>~~ae~~|+1.89<br>~~-—__}~~<br>~~ee~~||Option D<br>~~po~~<br>~~ee~~|
|SupplyCurrent(IDD)<br>~~oo~~||~~oo~~<br>~~-—__}~~<br>~~ae~~|1.0<br>~~-—__}~~<br>~~ae~~|2.0<br>~~-—__}~~<br>~~ee~~|µA<br>~~po~~<br>~~ee~~<br>~~es~~|Without load<br>~~po~~<br>~~ee~~<br>~~ee~~|
|Disable Current<br>~~oo~~||~~oo~~<br>~~-—__}~~<br>~~ae~~|~~-—__}~~<br>~~ae~~|1.0<br>~~-—__}~~<br>~~ee~~|µA<br>~~po~~<br>~~ee~~<br>~~es~~|Pad 1 logic low<br>~~po~~<br>~~ee~~<br>~~ee~~|
|Start-up Time<br>~~oo~~||~~oo~~<br>~~-—__}~~<br>~~ae~~|~~-—__}~~<br>~~ae~~|0.5<br>~~-—__}~~<br>~~ee~~|sec<br>~~po~~<br>~~ee~~<br>~~es~~|~~po~~<br>~~ee~~<br>~~ee~~|
|up Time<br>Rise and Fall Time (Tr/Tf)<br>~~a~~<br>~~ee~~||~~ae~~|~~ae ~~<br>~~SEE~~|40<br> ~~ee~~<br>~~SEE~~|ns<br>~~ee~~<br>~~(EEE~~|20% to 80% of waveform,15pF Load<br>~~ee~~<br>~~EEE~~|
|Symmetry @ ½ VDD<br>~~a~~<br>~~ee~~||45|~~SEE~~|55<br>~~SEE~~|%<br>~~(EEE~~|~~EEE~~|
|Output Voltage<br>~~ee~~<br>~~pf~~|VOH<br>~~ee~~<br>~~pf~~|90%VDD<br>~~pf~~|~~SEE~~<br>~~pf~~|~~SEE~~<br>~~pf~~|V<br>~~(EEE~~<br>~~pf~~|~~EEE~~<br>~~pf~~|
||VOL<br>~~ee~~<br>~~pf~~|~~pf~~|~~SEE~~<br>~~pf~~|10%VDD<br>~~SEE~~<br>~~pf~~|||
|Output Load<br>~~ee~~<br>~~pf~~<br>~~a~~||~~pf~~<br>~~a~~|~~SEE~~<br>~~pf~~<br>~~a~~|15<br>~~SEE~~<br>~~pf~~<br>~~a~~|pF<br>~~(EEE~~<br>~~pf~~<br>~~a~~|CMOS<br>~~EEE~~<br>~~pf~~<br>~~po~~<br>~~a~~|
|Output Waveform<br>~~ee~~<br>~~pf~~<br>~~a~~||CMOS<br>~~SEE ~~<br>~~pf~~<br>~~a~~|||~~(EEE~~<br>~~pf~~<br>~~a~~|~~EEE~~<br>~~pf~~<br>~~po~~<br>~~a~~|
|Output Waveform<br>Tri-state function<br>~~a~~||“1” (VIH≥0.8*VDD) or Open: Oscillation;<br>“0” (VIL<0.2*VDD): No Oscillation/Hi Z<br>~~a~~|||V<br>~~a~~|~~a~~|



5101 Hidden Creek Ln Spicewood TX 78669 ABRACON IS Phone: 512-371-6159 | Fax: 512-351-8858 **REVISED: 06-13-22** ISO9001-2015 CERTIFIED 

www.abracon.com 

## **32.768kHz Miniature TCXO** 

|**32.768kHz Miniature TCXO**|**32.768kHz Miniature TCXO**|**32.768kHz Miniature TCXO**|||||||
|---|---|---|---|---|---|---|---|---|
|**ATXK-H14**<br>ee|||Request Samples||Check Inventory<br>usESDSensitive®|||**2.15 x 1.35 x 1.1 mm**<br>**RoHS/RoHS II Compliant**<br>**MSL Level = 1**|
|**Absolute Maximum Ratings**|||||||||
||||||||||
||**Parameters**|**Symbol**||**Conditions**||**Rating**||**Unit**|
||Supply voltage range (3)|VDD||Between VDDand VSS||-0.3 to +4.5||V|
||Input voltage range(3)|VIN||Between INH and VSS||-0.3 to VDD+0.3(4)||V|
||Output voltage range(3)|VOUT||Output pad||-0.3 to VDD+0.3(4)||V|
||Junction temperature(3)|Tj||-||150||°C|
||Storage temperature range|TSTG||-||-55 to +105||°C|



**2.15 x 1.35 x 1.1 mm RoHS/RoHS II Compliant MSL Level = 1** 

**Note 3: Absolute maximum ratings are the values that must not be exceeded. This product may suffer damage if any one of these parameter ratings is exceeded. Operation and characteristics are guaranteed only when the product is operated per the specification datasheet. Note 4: VDD is a VDD value of recommended operating conditions.** 

5101 Hidden Creek Ln Spicewood TX 78669 Phone: 512-371-6159 | Fax: 512-351-8858 **REVISED: 06-13-22** www.abracon.com 

ABRACON IS ISO9001-2015 CERTIFIED 

## **32.768kHz Miniature TCXO** 

**ATXK-H14 2.15 x 1.35 x 1.1 mm** Request Samples Check Inventory **RoHS/RoHS II Compliant MSL Level = 1** — 2%, **Part Identification** ATXK-H14-     - 32.768kHz -        - **Packaging Vdd (V)** Blank: Bulk C: 2.5V±5% T3: 3000pcs/reel D: 1.8V±5% E: 3.3V±5% ~~re~~ **Stability over OTR** B38: ±3.8ppm over -10°C to +60°C E50: ±5.0ppm over -40°C to +85°C J80: ±8.0ppm over -40°C to +105°C 

5101 Hidden Creek Ln Spicewood TX 78669 Phone: 512-371-6159 | Fax: 512-351-8858 **REVISED: 06-13-22** www.abracon.com 

ABRACON IS ISO9001-2015 CERTIFIED 

**32.768kHz Miniature TCXO** 

## **ATXK-H14** ee **Mechanical Dimensions** 

**2.15 x 1.35 x 1.1 mm** Request Samples Check Inventory **RoHS/RoHS II Compliant MSL Level = 1** ds ESD Sensitive ) 

**==> picture [90 x 51] intentionally omitted <==**

**----- Start of picture text -----**<br>
Pin # Function<br>1  Output Enable<br>2  GND<br>3  Output<br>4  Vdd<br>**----- End of picture text -----**<br>


## **Dimensions: inches (mm)** 

5101 Hidden Creek Ln Spicewood TX 78669 Phone: 512-371-6159 | Fax: 512-351-8858 **REVISED: 06-13-22** www.abracon.com 

ABRACON IS ISO9001-2015 CERTIFIED 

## **32.768kHz Miniature TCXO** 

**ATXK-H14** ee 

Request Samples Check Inventory ds ESD Sensitive 

**2.15 x 1.35 x 1.1 mm RoHS/RoHS II Compliant MSL Level = 1** 

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

## **Table 1** 

## **SnPb Eutectic Process Classification Temperatures (Tc)** 

|**Package**|**Volume mm3**|**Volume mm3**|
|---|---|---|
|**Thickness**|**<350**|**>350**|
|<2.5 mm<br>>2.5 mm|235 °C<br>220 °C|220 °C<br>220 °C|



## **Table 2** 

## **Pb-Free Process Classification Temperatures (Tc)** 

||**Package**|**Volume mm3**|**Volume mm3**|**Volume mm3**|
|---|---|---|---|---|
||**Thickness**|**<350**|**350-2000**|**>2000**|
||<1.6 mm|260 °C|260 °C|260 °C|
|1.6 mm - 2.5 mm|1.6 mm - 2.5 mm|260 °C|250 °C|245 °C|
||>2.5 mm|250 °C|245 °C|245 °C|



|**Profile Feature**|**Sn-Pb Eutectic**<br>**Assembly**|**Pb-Free**<br>**Assembly**|
|---|---|---|
|Preheat / soak|||
|Temperatureminimum(Tsmin)|100°C|150°C|
|Temperature maximum (Tsmax)|150°C|200°C|
|Time (TsmintoTsmax) (ts)|60 - 120sec.|60 - 120sec.|
|Averageramp-uprate (TsmaxtoTP)|3°C/sec.max|3°C/sec.max|
|Liquidoustemperature (TL)|183°C|217°C|
|Timeat liquidous (tL)|60 - 150sec.|60 - 150sec.|
|Peakpackage bodytemperature (TP)*****|**_see Table 1_**|**_see Table 2_**|
|Time (tp**)**** within 5°C of the specified classification temperature (TC)|20sec.|30sec.|
|Ramp-down rate (Tpto Tsmax)|6°C/sec. max|6°C/sec. max|
|Time25°Cto peak temperature|6 min.max|8 min.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: 06-13-22** ISO9001-2015 CERTIFIED 

www.abracon.com 

## **32.768kHz Miniature TCXO ATXK-H14** — **Packaging T3: 3,000pcs/reel** 

**2.15 x 1.35 x 1.1 mm** Request Samples Check Inventory **RoHS/RoHS II Compliant MSL Level = 1** ds ESD Sensitive ) 

## **Dimensions: mm** 

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. 

## AX ABRACON 

5101 Hidden Creek Ln Spicewood TX 78669 ABRACON IS Phone: 512-371-6159 | Fax: 512-351-8858 **REVISED: 06-13-22** ISO9001-2015 CERTIFIED www.abracon.com | | 

www.abracon.com 



## Links

- [View this product on Novapart](https://novapart.co/products/ATXK-H14-E-32.768KHZ-E50-T3/tcxo-32768-khz-5-ppm-smd-215mm-x-135mm-cmos-33-v)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/abracon/atxk-h14-e-32-768khz-e50-t3/tcxo-32-768khz-cmos-smd-2-15mmx1/dp/4062652RL)
---

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