X5043PZ
CPU Supervisor with 4K SPI EEPROM
Features
Low VCC Detection and Reset Assertion
Four standard reset threshold voltages
4.63V, 4.38V, 2.93V, 2.63V
Re-program low VCC reset threshold voltage using
special programming sequence.
Reset signal valid to VCC = 1V
Selectable Time Out Watchdog Timer
Long Battery Life with Low Power Consumption
<50µA max standby current, watchdog on
<10µA max standby current, watchdog off
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
SPI Interface 3.3MHz Clock Rate
Minimize Programming Time
16-byte page write mode
5ms write cycle time (typical)
Available Packages
8 Ld MSOP, 8 Ld SOIC, 8 Ld PDIP
14 Ld TSSOP
Pb-Free Plus Anneal Available (RoHS Compliant)
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