X5045S8
CPU Supervisor with 4K SPI 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 with low power consumption
<50µA max standby current, watchdog on
<10µA max standby current, watchdog off
<2mA max active current during read
2.7V to 5.5V and 4.5V to 5.5V power supply
versions
4Kbits of EEPROM–1M write cycle endurance
Save critical data with Block Lock™
memory
Protect 1/4, 1/2, all or none of EEPROM array
Built-in inadvertent write protection
Write enable latch
Write protect pin
3.3MHz clock rate
Minimize programming time
16-byte page write mode
Self-timed write cycle
5ms write cycle time (typical)
SPI modes (0,0 & 1,1)
Available packages
8-lead MSOP, 8-lead SOIC, 8-pin PDIP
14-lead TSSOP
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