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All Products > Semiconductors > Power Management ICs > Supervisory Circuits

STMicroelectronics STWD100 Watchdog Timer Circuits

STMicroelectronics STWD100 Watchdog Timer Circuits are self-contained devices which prevent system failures that are caused by certain types of hardware errors (non-responding peripherals, bus contention, etc.) or software errors (bad code jump, code stuck in loop, etc.). 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.
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Category   Semiconductors >  Power Management ICs >  Supervisory Circuits

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STMicroelectronics STWD100PYW83F
511-STWD100PYW83F


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STMicroelectronics Supervisory Circuits Watchdog Timer 13uA Chip Enable
Page 446

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1: $0.86
10: $0.716
100: $0.462
1,000: $0.37
Reel
3,000: $0.30
9,000: View

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Min.: 1
Mult.: 1
Reel: 3,000
SMD/SMT SC-70-5 5.5 V + 125 C STWD100 Reel
STMicroelectronics STWD100YNWWY3F
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511-STWD100YNWWY3F


To purchase full reel, order in multiples of 3000:
STMicroelectronics Supervisory Circuits ANALOG
Page 447

Datasheet
4,412
In Stock
Cut Tape
1: $0.86
10: $0.742
100: $0.57
500: $0.504
Reel
3,000: $0.352
9,000: View



Min.: 1
Mult.: 1
Reel: 3,000
SMD/SMT SOT-23-5 1 Input Open Drain No Manual Reset No Backup 5.5 V + 125 C STWD100 Reel
STMicroelectronics STWD100NWWY3F
 Enlarge
511-STWD100NWWY3F


To purchase full reel, order in multiples of 3000:
STMicroelectronics Supervisory Circuits ANALOG
Page 447

Datasheet
2,224
In Stock
Cut Tape
1: $0.82
10: $0.685
100: $0.442
1,000: $0.354
Reel
3,000: $0.287
9,000: View



Min.: 1
Mult.: 1
Reel: 3,000
SMD/SMT SOT-23-5 1 Input Open Drain No Manual Reset No Backup 5.5 V + 125 C STWD100 Reel
Compare up to 20 parts.
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