Microchip’s 94AA46/93AA56/93AA66 family of devices are 1, 2 and 4 Kbit Microwire Serial EEPROMs available in a variety of package, temperature and power supply variants.
Features Single supply with programming operation down to 1.8V
Configurable Memory Organisation via ORG pin
8-bit x 128 or 16-bit x 64 (93AA46 models); 8-bit x 256 or 16-bit x 128 (93AA56 models)
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 during erase/write cycles
Sequential Read Function
1,000,000 Erase/Write Cycles
Data Retention >200 Years
