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TC32M

EOL

Status: In Production

Features:

  • Incorporates the Functionality of the Industry Standard TC1232 (Processor Monitor, Watchdog and Manual Override RESET Controller) into a Small, Lower Cost Package
  • Guards Against Unstable Processor Operation Resulting from Power "Brown-Out"
  • Automatically Halts and Restarts an Out-of-Control Microprocessor
  • Output can be Wire-ORed, or Hooked to Manual RESET Push-button Switch
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Overview
Documents
Development Environment
RoHS Information
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Device Overview

Summary

The TC32M is a fully-integrated processor supervisor in a 3-pin package. 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 TC32M holds the processor in the reset state for a minimum of 500msec after VDD 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 high-to-low level shift (through an external resistor divider) on the RS pin of the TC32M. Should the processor fail to supply this signal within the specified timeout period (typically 700msec), an out-of-control processor is indicated and the TC32M issues a processor reset as a result. The output of the TC32M can be wire-ORed with a push-button switch (or electronic signal) to override the TC32M and unconditionally reset the processor. When connected to a push-button switch, the TC32M provides contact debounce. The TC32M is packaged in a space-saving TO-92 or SOT-223 package. It provides all of the functionality of the industry standard TC1232 in a smaller, lower cost configuration.

Additional Features
    • Incorporates the Functionality of the Industry Standard TC1232 (Processor Monitor, Watchdog and Manual Override RESET Controller) into a Small, Lower Cost Package
    • Guards Against Unstable Processor Operation Resulting from Power "Brown-Out"
    • Automatically Halts and Restarts an Out-of-Control Microprocessor
    • Output can be Wire-ORed, or Hooked to Manual RESET Push-button Switch
Parametrics
Name
Value
Product Type
Supervisor
Watchdog Timer
Yes
Operating Temp. Range (°C)
-40 to 85
Vcc Range (V)
4.5 - 5.5
Nominal Reset Voltage (V)
4.25
Reset Type
Active Low
Output
Open-Drain
Typical Reset Pulse Width (ms)
500
Typical Supply Current (µA)
50

Documents

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Data Sheets

06/24/2015
145KB

Development tools data is currently unavailable.

RoHS Information

Part Number
Device Weight (g)
Shipping Weight (grams)
Lead Count
Package Type
Package Width
Solder Composition
JEDEC Indicator
RoHS
China EFUP
TC32MCDB
0.115700
0.217949
3
SOT-223
-
Matte Tin
e3
TC32MCDB713
0.115700
0.219250
3
SOT-223
-
Matte Tin
e3
TC32MEDB
0.115700
0.217949
3
SOT-223
-
Matte Tin
e3
TC32MEDB713
0.115700
0.219250
3
SOT-223
-
Matte Tin
e3
TC32MCZB
0.203400
0.219000
3
TO-92
-
Matte Tin
e3
TC32MEZB
0.203400
0.219000
3
TO-92
-
Matte Tin
e3
To see a complete listing of RoHS data for this device, please Click here
Shipping Weight = Device Weight + Packing Material weight. Please contact sales office if device weight is not available.

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