Specification	93C66CT-I/ST

Clock Frequency	3 MHz
Memory Depth (Option 1)	512
Memory Depth (Option 2)	256
Memory Format	EEPROM
Memory Interface (Type)	Microwire
Memory Organization	256 x 16, 512 x 8
Memory Size	4 Kbit
Memory Type	Non-Volatile
Memory Width (Option 1)	8 bit
Memory Width (Option 2)	16 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

93C66C Series

Part	Package Length	Package Name	Package Width	Write Cycle Time - Word	Write Cycle Time - Page	Operating Temperature (Max)	Operating Temperature (Min)	Memory Type	Clock Frequency	Memory Interface (Type)	Memory Format	Voltage - Supply (Maximum)	Voltage - Supply (Minimum)	Memory Depth (Option 2)	Memory Organization	Memory Width (Option 2)	Memory Depth (Option 1)	Memory Width (Option 1)	Mounting Type	Memory Size	Technology	Package / Case
Microchip Technology 93C66CT-I/SN	0.154 in	8-SOIC	3.9 mm	2 ms	2 ms	85 °C	-40 °C	Non-Volatile	3 MHz	Microwire	EEPROM	5.5 V	4.5 V	256	256 x 16 512 x 8	16 bit	512	8 bit	Surface Mount	4 Kbit	EEPROM
Microchip Technology 93C66CT-E/SN	0.154 in	8-SOIC	3.9 mm	2 ms	2 ms	125 °C	-40 °C	Non-Volatile	3 MHz	Microwire	EEPROM	5.5 V	4.5 V	256	256 x 16 512 x 8	16 bit	512	8 bit	Surface Mount	4 Kbit	EEPROM
Microchip Technology 93C66C-I/SN	0.154 in	8-SOIC	3.9 mm	2 ms	2 ms	85 °C	-40 °C	Non-Volatile	3 MHz	Microwire	EEPROM	5.5 V	4.5 V	256	256 x 16 512 x 8	16 bit	512	8 bit	Surface Mount	4 Kbit	EEPROM
Microchip Technology 93C66C-E/ST	0.173 in	8-TSSOP	4.4 mm	2 ms	2 ms	125 °C	-40 °C	Non-Volatile	3 MHz	Microwire	EEPROM	5.5 V	4.5 V	256	256 x 16 512 x 8	16 bit	512	8 bit	Surface Mount	4 Kbit	EEPROM
Microchip Technology 93C66C-I/MS	0.118 in	8-MSOP 8-TSSOP 8-MSOP	3 mm	2 ms	2 ms	85 °C	-40 °C	Non-Volatile	3 MHz	Microwire	EEPROM	5.5 V	4.5 V	256	256 x 16 512 x 8	16 bit	512	8 bit	Surface Mount	4 Kbit	EEPROM
Microchip Technology 93C66C-E/P	0.3 in	8-DIP 8-PDIP	7.62 mm	2 ms	2 ms	125 °C	-40 °C	Non-Volatile	3 MHz	Microwire	EEPROM	5.5 V	4.5 V	256	256 x 16 512 x 8	16 bit	512	8 bit	Through Hole	4 Kbit	EEPROM
Microchip Technology 93C66C-I/S15K		Die		2 ms	2 ms	85 °C	-40 °C	Non-Volatile	3 MHz	Microwire	EEPROM	5.5 V	4.5 V	256	256 x 16 512 x 8	16 bit	512	8 bit	Surface Mount	4 Kbit	EEPROM	Die
Microchip Technology 93C66CT-E/MNY	2 mm	8-TDFN	3 mm	2 ms	2 ms	125 °C	-40 °C	Non-Volatile	3 MHz	Microwire	EEPROM	5.5 V	4.5 V	256	256 x 16 512 x 8	16 bit	512	8 bit	Surface Mount	4 Kbit	EEPROM	8-WFDFN Exposed Pad
Microchip Technology 93C66CT-I/MNY	2 mm	8-TDFN	3 mm	2 ms	2 ms	85 °C	-40 °C	Non-Volatile	3 MHz	Microwire	EEPROM	5.5 V	4.5 V	256	256 x 16 512 x 8	16 bit	512	8 bit	Surface Mount	4 Kbit	EEPROM	8-WFDFN Exposed Pad
Microchip Technology 93C66C/S15K		Die		2 ms	2 ms	70 °C	0 °C	Non-Volatile	3 MHz	Microwire	EEPROM	5.5 V	4.5 V	256	256 x 16 512 x 8	16 bit	512	8 bit	Surface Mount	4 Kbit	EEPROM	Die