Microchip 93LC46BT-I/SN, 1kB Serial EEPROM Memory, 250ns 8-Pin SOIC Serial-Microwire

Microchip’s 93AA46B/93C46B/93LC46B family of devices are 1 Kbit Microwire Serial EEPROMs available in a variety of package, temperature and power supply variants.

64 x 16-bit Organization
Self-Timed Erase/Write Cycles (including Auto-Erase)
Automatic Erase All (ERAL) Before Write All (WRAL)
Power-On/Off Data Protection Circuitry
Industry Standard 3-Wire Serial I/O
Device Status Signal (Ready/Busy)
Sequential Read Function
1,000,000 Erase/Write Cycles
Data Retention >200 Years

EEPROM Serial Access - Microchip