ECS-327TXO-30-TR

## RoHS 

The ECS-327TXO is a low power CMOS SMD TCXO.  The 3.28 x 2.5 x 1.3 mm ceramic package is ideal for LoRa WAN and accurate RTC applicaitons. 

## **ECS-327TXO 32.768 KHz SMD TCXO** 

## **ECS-327TXO SMD CMOS TCXO** 

- Low Profile 

- 3.28 x 2.5 mm Footprint 

- Extended Temp Range 

- RoHS Compliant 

## **DIMENSIONS (mm)** 

## **OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS** 

|**PARAMETERS**|**CONDITIONS**|**ECS-327TXO**|**ECS-327TXO**|**ECS-327TXO**|**UNITS**|
|---|---|---|---|---|---|
|||~~ee es~~|**MIN**<br>~~es~~|**TYP**<br>||**MAX**||
|Frequency<br>~~es~~|~~es~~<br>~~ee es~~|~~es~~<br>~~es~~|32.768<br>~~es~~|~~es~~|KHz<br>~~es~~|
|FrequencyTolerance<br>~~es~~|@25°C  ±3°C<br>~~ee es~~<br>~~es~~|~~es~~<br>~~es~~|~~es~~|±1.5<br>~~es~~|ppm<br>~~es~~|
|Frequency Stability over Temp<br>~~es~~|-40 ~ +85°C<br>~~es~~|~~es~~|~~es~~|±5<br>~~es~~|ppm<br>~~es~~|
|Stability vs. Aging<br>~~es~~|First Year at +25°C<br>~~es~~|~~es~~|~~es~~|±3<br>~~es~~|ppm<br>~~es~~|
|Stability vs. VDDChange<br>~~pC~~|±5% VDD Change<br>~~pC~~|~~pC~~|~~pC~~|±0.2<br>~~pC~~|ppm<br>~~pC~~|
|Stability vs. Load Change<br>~~se~~|±10% Load Change<br>~~se~~|~~se~~|~~se~~|±0.2<br>~~se~~|ppm<br>~~se~~|
|Stability vs. Reflow<br>~~se~~|After 24 Hours<br>~~se~~|~~se~~|~~se~~|±1.0<br>~~se~~|ppm<br>~~se~~|
|Output<br>~~es~~|CMOS<br>~~es~~|~~es~~|15<br>~~es~~|~~es~~|pF<br>~~es~~|
|Output Voltage Level<br>~~es~~|VOH:VDD-0.4V min.(IOH 0.1 mA)VOL:0.4V max.(IOL -0.1 mA)<br>~~es~~<br>~~ns~~|||||
|Start-Uptime<br>~~es~~|~~es~~<br>~~ns~~<br>~~es~~|~~es~~<br>~~ns~~<br>~~es~~|1<br>~~es~~|3<br>~~es~~|sec<br>~~es~~|
|Rise & Fall time<br>~~es~~|20%–80%<br>~~ns~~<br>~~es~~<br>~~es~~<br>~~es~~|~~ns~~<br>~~es~~<br>~~es~~<br>~~es~~|~~es~~|100<br>~~es~~|ns<br>~~es~~|
|DutyCycle<br>~~es~~|@½ Vdd<br>~~es~~<br>~~es~~<br>~~es~~|~~es~~<br>~~es~~<br>~~es~~|~~es~~|40/60<br>~~es~~|%<br>~~es~~|
|OperatingTemp*<br>~~ss~~<br>~~es ee~~|~~es~~<br>~~ss~~<br>~~ee~~|-40<br>~~es~~<br>~~ss~~<br>~~ee~~|~~ss~~|+85<br>~~ss~~|°C<br>~~ss~~|
|Storage Temp<br>~~es ee~~|~~ee~~|-55<br>~~ee~~||+105|°C|



## **Power Supply Current (Typical)** 

_**Figure 1)** Top, Side, and  Bottom  views_ 

|**2.5V ±5%**|**3.0V ±5%**<br>**3.3V ±5%**|**3.0V ±5%**<br>**3.3V ±5%**|**3.0V ±5%**<br>**3.3V ±5%**|**5.0V ±5%**|
|---|---|---|---|---|
|1.05µA|1.25µA<br>1.37||1.37µA|2.05µA|
|**PAD CONNECTIONS**||||36|
|1|Output Enable|||36|
|2<br>3<br>4|Gnd<br>Output<br>SupplyVoltage||°.s{-|| <br>||<br>s{-Te|
|**Ebable Function**|||||
|Pin 1<br>Output|||||
|Vih=0.8* VDD<br>Enabled<br>Vil=0.2*Low<br>Disabled||||**_Figure 2)_**_Suggested Land_|



_**Figure 2)** Suggested Land_ 

## **PART NUMBERING GUIDE:  Example ECS-327TXO-33-TR** 

|**ECS       -                SERIES**|**ECS       -                SERIES**|**ECS       -                SERIES**|**ECS       -                SERIES**|**Voltage**|**Voltage**||**PACKAGING**|**PACKAGING**|
|---|---|---|---|---|---|---|---|---|
||||||||||
|ECS|||327TXO||25 = +2.5V|||TR = Tape|
||||32.768 KHz||30 = +3.0V|||& Reel|
||||TCXO||33 = +3.3V<br>50 = +5.0V|||1K/Reel|



Rev.2020 

## **ECS-327TXO** RoHS COMPLIANT **32.768 KHz SMD TCXO** 

**Timing Error over time (±5 ppm over -40 ~ +85°C)** ±0.432 sec/day ±12.960 sec/month ±2.628 min/year 

**SOLDER PROFILE** Peak solder Temp +260°C Max 10 sec Max. 2 Cycles Max. MSL 1, Lead Finish Au 

_**Figure 1)** Suggested Reflow Profile_ 

## **POCKET TAPE DIMENSIONS (mm)**