Description
4K X5043/X5045 CPU Supervisor with 4K SPI EEPROM 512 x 8 Bit .
These devices combine four popular functions, Poweron Reset Control, Watchdog Timer, Supply Voltage Supervision, and Block Lock Protect Serial EEPROM.
Features
* Selectable time out watchdog timer
* Low VCC detection and reset assertion
* Five standard reset threshold voltages
* Re-program low VCC reset threshold voltage using special programming sequence.
* Reset signal valid to VCC = 1V
* Long battery life wit
Applications
* requiring higher precision. Watchdog Timer Reset
Protect Logic RESET/RESET Status Register EEPROM Array 1Kbits 1Kbits 2Kbits Reset & Watchdog Timebase X5043 = RESET X5045 = RESET
CS/WDI
VCC VTRIP
+ -
Power on and Low Voltage Reset Generation
REV 1.1.2 5/29/01
www. xicor. com
Characteristics s