Microchip Processor Supervisor, TC1232EOA713

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€ 7,15

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€ 8,65

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Verpakkingsopties
RS-stocknr.:
264-8867
Fabrikantnummer:
TC1232EOA713
Fabrikant:
Microchip
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Merk

Microchip

Voltage Supervisor Type

Microprocessor Reset Monitor

Number of Supervisors

1

Watchdog Timer

Yes

Manual Reset

Yes

Power Fail Detection

No

The Microchip processor supervisor provides three important functions to safeguard processor sanity: precision power on/off reset control, watchdog timer and external reset override. On power-up, the it holds the processor in the reset state for a minimum of 250msec after VCC is within tolerance to ensure a stable system start-up. Microprocessor sanity is monitored by the on-board watchdog circuit. The microprocessor must provide a periodic low-going signal on the ST input. Should the processor fail to supply this signal within the selected time-out period (150msec, 600msec or 1200msec), an out-of-control processor is indicated and the TC1232 issues a processor reset as a result. The outputs are immediately driven active when the PB input is brought low by an external push-button switch or other electronic signal. When connected to a push-button switch, the TC1232 provides contact debounce.

Precision Voltage Monitor: Adjustable +4.5V or +4.75V
Reset Pulse Width: 250 msec minimum
No External Components
Adjustable Watchdog Timer: 150msec, 600msec or 1.2sec
Operating Voltage 4.0V to 5.5V
Debounced Manual Reset Input for External Override

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