features
• selectable time out watchdog timer
• low v
cc
detection and reset assertion
—five standard reset threshold voltages
—re-program low v
cc
reset threshold voltage
using special programming sequence.
—reset signal valid to v
cc
= 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