# TCXO, 32.768 kHz, 5 ppm, SMD, 3.28mm x 2.58mm, CMOS, 3.3 V, ATXK-H11 Series

![Product image](https://novapart.co/image/farnell:4138104RL/)

**URL**: https://novapart.co/products/ATXK-H11-E-32.768KHZ-E50-T3/tcxo-32768-khz-5-ppm-smd-328mm-x-258mm-cmos-33-v
**SKU**: ATXK-H11-E-32.768KHZ-E50-T3
**Manufacturer**: ABRACON
**Price**: €2.1000
**Stock**: 10+
**Lead Time**: 134 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| Frequency Nom | 32.768kHz |
| Product Range | ATXK-H11 Series |
| Supply Voltage Nom | 3.3V |
| Frequency Stability + / - | 5ppm |
| Operating Temperature Max | 85°C |
| Operating Temperature Min | -40°C |
| Oscillator Case / Package | SMD, 3.28mm x 2.58mm |
| Oscillator Output Compatibility | CMOS |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4138104RL/)

## **32.768kHz TCXO** 

## **ATXK-H11** 

## **Features** 

- 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 

## Request Samples Check Inventory bs ESD Sensitive (®) 

**3.28 x 2.58 x 1.36 mm RoHS/RoHS II Compliant MSL Level = 1** 

## **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 Min. Typ. Max. Units Notes** Frequency (fc) 32.768 kHz Operating Temperature Range -40 +85 °C _**See Options**_ ~~——~~ Storage Temperature Range ~~EE~~ -55 ~~—~~ +85 °C ~~At~~ _**Frequency Stability ∆f/fo vs:**_ ~~Oa~~ _**Tolerance**_ -2.5 +2.5 Reference to fc (at 25°C±2°C), Pre-reflow ~~Pe~~ Reference to fc (at 25°C ±2°C), 24 hours after _**Tolerance**_ -3.0 +3.0 ~~es—~~ ppm reflow, one time _**See Options**_ Reference to frequency tolerance _**Temperature**_ -5.0 +5.0 reading (fo) at 25°C ±2°C ~~——— ttt tH~~ _**Load Change**_ -0.2 +0.2 Load ± 10% ~~—E~~ _**Supply Voltage Change**_ -1.0 ~~a~~ +1.0 ppm/V ~~Pe~~ Aging ~~——~~ -3.0 +3.0 ppm ~~es~~ First year at +25°C±2°C ~~P| es~~ Timing error over time Reference to frequency tolerance reading (fo) at ~~ee~~ (±5 ppm over -40°C to +85°C) ±0.432 sec/day; ±12.960 sec/month; ±2.628 minutes/year ~~PY [|~~ 25°C ±2°C +3.135 +3.3 +3.465 Option E Supply Voltage (VDD)[[Note 2]] +2.375 +2.5 +2.625 V Option C ~~re~~ +1.71 +1.8 +1.89 ~~—PT~~ Option D ~~[~~ Supply Current (IDD) ~~ee~~ 1.0 2.0 µA ~~ee~~ Without load Disable Current 1.0 µA Pad 1 logic low ~~————~~ Start-up Time ~~TT~~ 0.5 sec ~~PT~~ Rise and Fall Time (Tr/Tf) 100 ns 20% to 80% of waveform,15pF Load ~~Pe — es S~~ Symmetry @ ½ V ~~n~~ DD ~~ne~~ 40 60 % Output Voltage VOH 90%VDD V VOL 10%VDD Output Load 15 pF CMOS Output Waveform ~~A~~ CMOS ~~oo —~~ “1” (VIH≥0.8*VDD): Oscillation; ~~ee ee ae~~ Tri-state function[[Note 3]] V “0” (VIL<0.2*VDD): No Oscillation/Hi Z **Note 1: All measurements made over specified operating temperature range, at nominal VDD, and 15pf load, unless otherwise specified. Note 2: Operational voltage range: 1.5V to 3.63V Note 3: Do not leave pad 1 (tri-state) floating (no connect). Pad 1 must be tied to Vdd (logic 1) for proper oscillation on pad 3.** 

5101 Hidden Creek Ln Spicewood TX 78669 ABRACON IS Phone: 512-371-6159 | Fax: 512-351-8858 **REVISED: 09-19-22** ISO9001-2015 For terms and conditions of sales, please visit: CERTIFIED www.abracon.com 

## **32.768kHz TCXO** 

## **ATXK-H11** eee 

Request Samples Check Inventory sf, 

**3.28 x 2.58 x 1.36 mm RoHS/RoHS II Compliant MSL Level = 1** 

## **Absolute Maximum Ratings** 

|**Parameters**|**Symbol**|**Conditions**|**Rating**|**Unit**|
|---|---|---|---|---|
|Supply voltage range (4)|**Symbol**<br>VDD|Between VDDand VSS|**Rating**<br>-0.3 to +4.5|V|
|Supply voltage range(4)<br>Input voltage range(4)|VIN|Between INH and VSS|-0.3 to VDD+0.3(5)|V|
|Input voltage range(4)<br>Output voltage range(4)|VOUT|Output pad|(5)<br>-0.3 to VDD+0.3(5)|V|
|Output voltage range(4)<br>Junction temperature(4)|Tj|Output pad<br>-|(5)<br>150|°C|
|Junction temperature(4)<br>Storage temperature range|Tj<br>TSTG|-|-55 to +105|°C|



**Note 4: 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 5: VDD is a VDD value of recommended operating conditions.** 

## **Part Identification** 

ATXK-H11-     - 32.768kHz -        - **Packaging** Blank: Bulk **Vdd (V)** C: 2.5V±5% T3: 3000pcs/reel D: 1.8V±5% E: 3.3V±5% 

**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 ABRACON IS Phone: 512-371-6159 | Fax: 512-351-8858 **REVISED: 09-19-22** ISO9001-2015 For terms and conditions of sales, please visit: CERTIFIED www.abracon.com 

**32.768kHz TCXO** 

## **ATXK-H11** ee **Mechanical Dimensions** 

Request Samples Check Inventory **3.28 x 2.58 x 1.36 mm RoHS/RoHS II Compliant MSL Level = 1** ds ESD Sensitive ) 

**Pin # Function** 1 Output Enable 2 GND 3 Output 4 VDD ~~==~~ 

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

5101 Hidden Creek Ln Spicewood TX 78669 Phone: 512-371-6159 | Fax: 512-351-8858 **REVISED: 09-19-22** For terms and conditions of sales, please visit: www.abracon.com 

ABRACON IS ISO9001-2015 CERTIFIED 

## **32.768kHz TCXO** 

## **ATXK-H11** eee 

Request Samples Check Inventory ds ESD Sensitive 

**3.28 x 2.58 x 1.36 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|235 °C|220 °C|
|>2.5 mm|220 °C|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|||
|Temperature minimum(Tsmin)|100°C|150°C|
|Temperature maximum(Tsmax)|150°C|200°C|
|Time (Tsmin toTsmax) (ts)|60- 120 sec.|60- 120 sec.|
|Averageramp-uprate (Tsmax toTP)|3°C/sec.max|3°C/sec.max|
|Liquidous temperature (TL)|183°C|217°C|
|Time atliquidous (tL)|60- 150 sec.|60- 150 sec.|
|Peakpackage body temperature (TP)*****|**_see Table 1_**|**_see Table 2_**|
|Time (tp**)**** within5°C ofthe specified classificationtemperature (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|



***** 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: 09-19-22** ISO9001-2015 For terms and conditions of sales, please visit: CERTIFIED www.abracon.com 

**32.768kHz TCXO** 

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## **ATXK-H11** 

Request Samples Check Inventory **3.28 x 2.58 x 1.36 mm RoHS/RoHS II Compliant MSL Level = 1** ds ESD Sensitive ) 

## **Packaging** 

## **T3: 3,000pcs/reel** 

## **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. 

5101 Hidden Creek Ln Spicewood TX 78669 ABRACON IS Phone: 512-371-6159 | Fax: 512-351-8858 **REVISED: 09-19-22** ISO9001-2015 For terms and conditions of sales, please visit: CERTIFIED www.abracon.com | | 



## Links

- [View this product on Novapart](https://novapart.co/products/ATXK-H11-E-32.768KHZ-E50-T3/tcxo-32768-khz-5-ppm-smd-328mm-x-258mm-cmos-33-v)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/abracon/atxk-h11-e-32-768khz-e50-t3/tcxo-32-768khz-smd-3-28mm-x-2/dp/4138104RL)
---

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