X4643 CPU Supervisor

Intersil

Description

® X4643, X4645 64K, 8K x 8 Bit Data Sheet March 29, 2005 FN8123.0 CPU Supervisor with 64K EEPROM .
The X4643/5 combines four popular functions, Poweron Reset Control, Watchdog Timer, Supply Voltage Supervision, and Serial EEPROM Memory in one packag.

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Datasheet Specifications

Part number: X4643
Manufacturer: Intersil
File Size: 360.03 KB
Datasheet: X4643_Intersil.pdf
Description: CPU Supervisor

Features

* Selectable watchdog timer
* Low VCC detection and reset assertion
* Four standard reset threshold voltages
* Adjust low VCC reset threshold voltage using special programming sequence
* Reset signal valid to VCC = 1V
* Low power CMOS

Applications

* requiring higher precision. BLOCK DIAGRAM Watchdog Transition Detector WP Data Register Command Decode & Control Logic VCC Threshold Reset Logic Block Lock Control Protect Logic Status Register EEPROM Array RESET (X4643/5) RESET (X4645) Watchdog Timer Reset SDA SCL S0 S1 Reset & Watchdog Timeba

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