X5043 Datasheet (Intersil Corporation) - (X5043 / X5045) CPU Supervisor

X5043, (X5043 / X5045) CPU Supervisor

Chip Select Input Serial Output Serial Input Serial Clock Input Write Protect Input Ground Supply Voltage Reset Output Pin Descriptions Serial Output (SO) SO is a push/pull serial data

® X5043, X5045 4K, 512 x 8 Bit Data Sheet March 16, 2006 FN8126.2 CPU Supervisor with 4K SPI EEPROM These devices combine four popular functions, Power-on Reset Control, Watchdog Timer, Supply Voltage Supervision, and Block Lock Protect Serial EEPROM Memory in one package.

This combination lowers system cost, reduces board space requirements, and increases reliability.

Applying power to the device activates the power-on reset circuit which holds RESET/RESET active for a period of time.

This al

X5043 Features

* a Serial Peripheral Interface (SPI) and software protocol allowing operation on a simple four-wire bus. The device utilizes Intersil’s proprietary Direct Write™ cell, providing a minimum endurance of 100,000 cycles and a minimum data retention of 100 years. Features

* Low VCC Detection and