STMicroelectronics 1 Voltage Supervisor 5-Pin SOT-23, STWD100YNYWY3F - pack size 3000 units
STMicroelectronics 1 Voltage Supervisor 5-Pin SOT-23, STWD100YNYWY3F - pack size 3000 units
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RS-ID: SKU:196-2105
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Description
The STWD100 watchdog timer circuits are self-contained devices which prevent system failures that are caused by certain types of hardware errors (such as, non-responding peripherals and bus contention) or software errors (such as a bad code jump and a code stuck in loop). The STWD100 watchdog timer has an input, WDI, and an output, WDO. The input is used to clear the internal watchdog timer periodically within the specified timeout period, twd. While the system is operating correctly, it periodically toggles the watchdog input, WDI. If the system fails, the watchdog timer is not reset, a system alert is generated and the watchdog output, WDO, is asserted. The STWD100 circuit also has an enable pin, EN, which can enable or disable the watchdog functionality. The EN pin is connected to the internal pull-down resistor. The device is enabled if the EN pin is left floating.
Technical data
| Characteristic | Value |
|---|---|
| Product Type | Voltage Supervisor |
| Number of Supervisors | 1 |
| Watchdog Timer | Yes |
| Manual Reset | No |
| Power Fail Detection | No |
| Output Driver | Open Drain, Active Low |
| Mount Type | Surface |
| Package Type | SOT-23 |
| Pin Count | 5 |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | 125°C |
| Length | 3mm |
| Series | STWD100 |
| Width | 1.75mm |
| Height | 1.45mm |
| Standards/Approvals | No |
| Automotive Standard | AEC-Q100 |
| Minimum Supply Voltage | 2.7V |
| Maximum Supply Voltage | 5.5V |
Datasheet
Manufacturer
STMicroelectronics
Weight
0.064 G
Pack Size
1 reel = 3000 units
Base Unit of Measure
PCE
Shipping
Expected availability from RS: currently unavailable

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