Specification	AT93C56B-MAHM-E

Clock Frequency	2 MHz
Memory Depth (Option 1)	256
Memory Depth (Option 2)	128
Memory Format	EEPROM
Memory Interface (Type)	Serial
Memory Interface Wire Count	3
Memory Organization	256 x 8, 128 x 16
Memory Size	2 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 / Case	8-UFDFN Exposed Pad
Package Length	2 mm
Package Name	8-UDFN
Package Width	3 mm
Technology	EEPROM
Voltage - Supply (Maximum)	5.5 V
Voltage - Supply (Minimum)	1.7 V
Write Cycle Time - Page	5 ms
Write Cycle Time - Word	5 ms

93C56B Series

2Kb Microwire (3-wire) Serial EEPROM

Part	Package Name	Mounting Type	Memory Type	Write Cycle Time - Word	Write Cycle Time - Page	Clock Frequency	Memory Depth	Memory Width	Operating Temperature (Max)	Operating Temperature (Min)	Memory Interface (Type)	Package Length	Package Width	Memory Format	Technology	Memory Size	Voltage - Supply (Maximum)	Voltage - Supply (Minimum)	Package / Case	Memory Width (Option 2)	Memory Organization	Memory Depth (Option 2)	Memory Depth (Option 1)	Memory Width (Option 1)	Memory Interface Wire Count
Microchip Technology 93C56B-I/ST	8-TSSOP	Surface Mount	Non-Volatile	2 ms	2 ms	2 MHz	128	16 bit	85 °C	-40 °C	Microwire	0.173 in	4.4 mm	EEPROM	EEPROM	2 Kbit	5.5 V	4.5 V
Microchip Technology 93C56BT-E/ST	8-TSSOP	Surface Mount	Non-Volatile	2 ms	2 ms	2 MHz	128	16 bit	125 °C	-40 °C	Microwire	0.173 in	4.4 mm	EEPROM	EEPROM	2 Kbit	5.5 V	4.5 V
Microchip Technology 93C56BT-E/OT	SOT-23-6	Surface Mount	Non-Volatile	2 ms	2 ms	2 MHz	128	16 bit	125 °C	-40 °C	Microwire			EEPROM	EEPROM	2 Kbit	5.5 V	4.5 V	SOT-23-6
Microchip Technology 93C56B-E/P	8-DIP 8-PDIP	Through Hole	Non-Volatile	2 ms	2 ms	2 MHz	128	16 bit	125 °C	-40 °C	Microwire	0.3 in	7.62 mm	EEPROM	EEPROM	2 Kbit	5.5 V	4.5 V
Microchip Technology 93C56B-I/P	8-DIP 8-PDIP	Through Hole	Non-Volatile	2 ms	2 ms	2 MHz	128	16 bit	85 °C	-40 °C	Microwire	0.3 in	7.62 mm	EEPROM	EEPROM	2 Kbit	5.5 V	4.5 V
Microchip Technology 93C56BT-I/MS	8-MSOP 8-TSSOP 8-MSOP	Surface Mount	Non-Volatile	2 ms	2 ms	2 MHz	128	16 bit	85 °C	-40 °C	Microwire	0.118 in	3 mm	EEPROM	EEPROM	2 Kbit	5.5 V	4.5 V
Microchip Technology AT93C56B-SSHM-B	8-SOIC	Surface Mount	Non-Volatile	5 ms	5 ms	2 MHz			85 °C	-40 °C	Serial	0.154 in	3.9 mm	EEPROM	EEPROM	2 Kbit	5.5 V	1.7 V		16 bit	128 x 16 256 x 8	128	256	8 bit	3
Microchip Technology 93C56B-E/SN	8-SOIC	Surface Mount	Non-Volatile	2 ms	2 ms	2 MHz	128	16 bit	125 °C	-40 °C	Microwire	0.154 in	3.9 mm	EEPROM	EEPROM	2 Kbit	5.5 V	4.5 V
Microchip Technology 93C56BT-I/OT	SOT-23-6	Surface Mount	Non-Volatile	2 ms	2 ms	2 MHz	128	16 bit	85 °C	-40 °C	Microwire			EEPROM	EEPROM	2 Kbit	5.5 V	4.5 V	SOT-23-6
Microchip Technology 93C56B-I/MS	8-MSOP 8-TSSOP 8-MSOP	Surface Mount	Non-Volatile	2 ms	2 ms	2 MHz	128	16 bit	85 °C	-40 °C	Microwire	0.118 in	3 mm	EEPROM	EEPROM	2 Kbit	5.5 V	4.5 V