Datasheet Summary
®
X5323, X5325
(Replaces X25323, X25325)
Data Sheet October 27, 2005 FN8131.1
CPU Supervisor with 32Kb SPI EEPROM
Features
- Selectable 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
- Determine watchdog or low voltage reset with a volatile flag bit
- Long battery life with low power consumption
- <50µA max standby current, watchdog on
- <1µA max standby current, watchdog off
- <400µA max active current during read
- 32Kbits of EEPROM
- Built-in inadvertent write protection
- Power-up/power-down protection circuitry
- Protect 0, 1/4,...
