Manufacturer package reference image
Watchdog timer circuit
Key Specifications
| Complete manufacturer part number | STWD100NXWY3F |
|---|---|
| Manufacturer | STMicroelectronics |
| Description | Watchdog timer circuit |
| Package / case | SOT23-5L |
| Product category | Watchdog timers |
| Pins | 5 |
| Ambient operating temperature (TA; manufacturer measurement conditions) | -40 °C to 125 °C |
| Operating supply voltage (VCC) | 2.7 V to 5.5 V |
| Watchdog timeout (STWD100xX row; TA-40..125 C,VCC2.7..5.5 V) | 71 ms minimum, 102 ms typical, 142 ms maximum |
| Watchdog active time (manufacturer electrical conditions) | 140 ms minimum, 210 ms typical, 280 ms maximum |
| Function | Watchdog input WDI must be refreshed within timeout; watchdog output asserts on timeout. Enable input permits disabling the watchdog. |
| Packing type | Tape And Reel |
| RoHS compliant | Ecopack3 |
| Grade | Industrial |
| In stock | Contact for availability |
| Unit price | Request a quote |
| Lead time | To be confirmed |
Technical documentation and image source
Exact ST ordering page verified on 2026-11-04. Temperature labels preserve manufacturer ordering scope; ambient or junction basis is not inferred. Package reference image is not a stock-lot photograph. Consult the datasheet for electrical limits and test conditions.
Manufacturer package reference image for SOT23-5L. Confirm electrical pin functions in the datasheet. Actual lot appearance and top marking require current-lot confirmation.
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