AT93C66B Series

4Kb Microwire (3-wire) Serial EEPROM

Catalog

4Kb Microwire (3-wire) Serial EEPROM

Part	Write Cycle Time - Word	Write Cycle Time - Page	Memory Depth (Option 2)	Memory Organization	Memory Width (Option 2)	Memory Depth (Option 1)	Memory Width (Option 1)	Package Name	Memory Size	Qualification	Clock Frequency	Voltage - Supply (Minimum)	Voltage - Supply (Maximum)	Mounting Type	Package Length	Package Width	Grade	Memory Type	Technology	Operating Temperature (Max)	Operating Temperature (Min)	Memory Format	Memory Interface Wire Count	Memory Interface (Type)
Microchip Technology AT93C66B-XPD-T	5 ms	5 ms	256	256 x 16 512 x 8	16 bit	512	8 bit	8-TSSOP	4 Kbit	AEC-Q100	1 MHz	2.5 V	5.5 V	Surface Mount	0.173 in	4.4 mm	Automotive	Non-Volatile	EEPROM	125 °C	-40 °C	EEPROM	3	Serial

Catalog

4Kb Microwire (3-wire) Serial EEPROM

Description

The Microchip AT93C66B is a 4 Kb Microwire (3-wire) Serial EEPROM organized as either 512 x 8 or 256 x 16, selectable in hardware using the ORG pin. The device is optimized for use in consumer, industrial, and automotive applications where reliable and dependable nonvolatile memory storage is essential. The EEPROM is available in a variety of space-saving packaging options.