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Manufacturer Part #


TC1232 Series 4.37 V 250 ms Fully Integrated Processor Supervisor - SOIC-8

Mfr. Name: Microchip
Standard Pkg:
Product Variant Information section
Date Code: 1907
Product Specification Section
Technical Attributes
Attributes Table
No of Outputs: Single
Threshold Voltage: 4.37|V
Supply Voltage-Max: 5.5V
Reset Timeout: 250ms
Package Style:  SOIC-8
Mounting Method: Surface Mount
Features & Applications


The voltage supervisors extensive family of parts includes voltage supply monitors, trackers, margining controllers, sequencers, push button controllers,  and the new power monitors.  All of these devices improve DC/DC converter functionality and feature a high degree of accuracy, integration and configurability, resulting in more cost efficient designs that would otherwise be burdened with multiple complicated components when designed the "traditional way".  This family strives to provide convenient all-in-one solutions for many of today's growing number of digital power management applications.

TC1232 is a fully-integrated processor supervisor. It provides three important functions to safeguard processor sanity: precision power on/off reset control, watchdog timer and external reset override.  On power-up, the TC1232 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 of the TC1232 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. The TC1232 is packaged in a space-saving 8-pin plastic DIP or SOIC package and requires no external components.

The Microchip TC1232COA is an adjustable voltage, Microprocessor Monitor that comes in 8 Pin SOIC package.

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