Specification	93C66AT-I/ST

Clock Frequency	2 MHz
Memory Depth	512
Memory Format	EEPROM
Memory Interface (Type)	Microwire
Memory Size	4 Kbit
Memory Type	Non-Volatile
Memory Width	8 bit
Mounting Type	Surface Mount
Operating Temperature (Max)	85 °C
Operating Temperature (Min)	-40 °C
Package Length	0.173 in
Package Name	8-TSSOP
Package Width	4.4 mm
Technology	EEPROM
Voltage - Supply (Maximum)	5.5 V
Voltage - Supply (Minimum)	4.5 V
Write Cycle Time - Page	2 ms
Write Cycle Time - Word	2 ms

93C66A Series

Part	Package Name	Memory Size	Operating Temperature (Max)	Operating Temperature (Min)	Mounting Type	Memory Depth (Option 2)	Memory Organization	Memory Width (Option 2)	Memory Depth (Option 1)	Memory Width (Option 1)	Write Cycle Time - Word	Write Cycle Time - Page	Package Length	Package Width	Clock Frequency	Memory Interface Wire Count	Memory Interface (Type)	Memory Type	Memory Format	Technology	Voltage - Supply (Maximum)	Voltage - Supply (Minimum)	Memory Width	Memory Depth
Microchip Technology AT93C66A-10PU-2.7	8-DIP 8-PDIP	4 Kbit	85 °C	-40 °C	Through Hole	256	256 x 16 512 x 8	16 bit	512	8 bit	10 ms	10 ms	0.3 in	7.62 mm	2 MHz	3	Serial	Non-Volatile	EEPROM	EEPROM	5.5 V	2.7 V
Microchip Technology 93C66AT-E/ST	8-TSSOP	4 Kbit	125 °C	-40 °C	Surface Mount						2 ms	2 ms	0.173 in	4.4 mm	2 MHz		Microwire	Non-Volatile	EEPROM	EEPROM	5.5 V	4.5 V	8 bit	512
Microchip Technology AT93C66A-10TI-2.7	8-TSSOP	4 Kbit	85 °C	-40 °C	Surface Mount	256	256 x 16 512 x 8	16 bit	512	8 bit	10 ms	10 ms	0.173 in	4.4 mm	2 MHz	3	Serial	Non-Volatile	EEPROM	EEPROM	5.5 V	2.7 V
Microchip Technology AT93C66A-10PI-1.8	8-DIP 8-PDIP	4 Kbit	85 °C	-40 °C	Through Hole	256	256 x 16 512 x 8	16 bit	512	8 bit	10 ms	10 ms	0.3 in	7.62 mm	2 MHz	3	Serial	Non-Volatile	EEPROM	EEPROM	5.5 V	1.8 V
Microchip Technology AT93C66AW-10SI-1.8	8-SOIC	4 Kbit	85 °C	-40 °C	Surface Mount	256	256 x 16 512 x 8	16 bit	512	8 bit	10 ms	10 ms	0.154 in	3.9 mm	2 MHz	3	Serial	Non-Volatile	EEPROM	EEPROM	5.5 V	1.8 V
Microchip Technology 93C66AT-I/ST	8-TSSOP	4 Kbit	85 °C	-40 °C	Surface Mount						2 ms	2 ms	0.173 in	4.4 mm	2 MHz		Microwire	Non-Volatile	EEPROM	EEPROM	5.5 V	4.5 V	8 bit	512
Microchip Technology AT93C66AW-10SI-2.7	8-SOIC	4 Kbit	85 °C	-40 °C	Surface Mount	256	256 x 16 512 x 8	16 bit	512	8 bit	10 ms	10 ms	0.154 in	3.9 mm	2 MHz	3	Serial	Non-Volatile	EEPROM	EEPROM	5.5 V	2.7 V
Microchip Technology 93C66A-E/MS	8-MSOP 8-TSSOP 8-MSOP	4 Kbit	125 °C	-40 °C	Surface Mount						2 ms	2 ms	0.118 in	3 mm	2 MHz		Microwire	Non-Volatile	EEPROM	EEPROM	5.5 V	4.5 V	8 bit	512
Microchip Technology 93C66AT-E/SN	8-SOIC	4 Kbit	125 °C	-40 °C	Surface Mount						2 ms	2 ms	0.154 in	3.9 mm	2 MHz		Microwire	Non-Volatile	EEPROM	EEPROM	5.5 V	4.5 V	8 bit	512
Microchip Technology AT93C66A-10SU-1.8	8-SOIC	4 Kbit	85 °C	-40 °C	Surface Mount	256	256 x 16 512 x 8	16 bit	512	8 bit	10 ms	10 ms	0.154 in	3.9 mm	2 MHz	3	Serial	Non-Volatile	EEPROM	EEPROM	5.5 V	1.8 V