®
X5328, X5329
(Replaces X25328, X25329)
Data Sheet October 17, 2005 FN8132.
1
CPU Supervisor with 32Kbit SPI EEPROM
FEATURES • 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 with low power consumption —1µA max standby current —400µA max active current during read • 32Kbits of EEPROM • Built-in inadvertent write protection —Power-up/power-down protection circuitry —Protect 0, 1/4, 1/2 or all of EEPROM array with Block Lock™ protection —In circuit programmable ROM mode • 2MHz SPI interface modes (0,0 & 1,1) • Minimize EEPROM progr...