AT93C66B-MEHM-T

Obsolete

Microchip Technology

IC EEPROM 4KBIT 3-WIRE 8XDFN

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Integrated Circuits (ICs)

AT93C66B-MEHM-T

Obsolete

Microchip Technology

IC EEPROM 4KBIT 3-WIRE 8XDFN

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Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	AT93C66B-MEHM-T

Clock Frequency	2 MHz
Grade	Automotive
Memory Format	EEPROM
Memory Interface	3-Wire Serial
Memory Organization	256 x 16, 512 x 8
Memory Size	4 Kbit
Memory Type	Non-Volatile
Mounting Type	Surface Mount
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Package / Case	8-XFDFN
Qualification	AEC-Q100
Supplier Device Package	8-XDFN (1.8x2.2)
Technology	EEPROM
Voltage - Supply [Max]	5.5 V
Voltage - Supply [Min]	1.7 V
Write Cycle Time - Word, Page	5 ms

AT93C66B Series

4Kb 5V Microwire (3-wire) Serial EEPROM with 16-Bit Organization

Part	Package / Case	Memory Organization	Technology	Memory Size	Operating Temperature [Max]	Operating Temperature [Min]	Supplier Device Package	Memory Type	Memory Format	Memory Interface	Qualification	Clock Frequency	Write Cycle Time - Word, Page	Voltage - Supply [Max]	Voltage - Supply [Min]	Mounting Type	Grade	Package / Case [custom]	Package / Case	Package / Case [custom]	Package / Case [y]	Package / Case [x]	Memory Organization
Microchip Technology AT93C66B-MEHM-T	8-XFDFN	256 x 16 512 x 8	EEPROM	4 Kbit	85 °C	-40 °C	8-XDFN (1.8x2.2)	Non-Volatile	EEPROM	3-Wire Serial	AEC-Q100	2 MHz	5 ms	5.5 V	1.7 V	Surface Mount	Automotive
Microchip Technology 93C66BT-E/MNY	8-WFDFN Exposed Pad	256 x 16	EEPROM	4 Kbit	125 °C	-40 °C	8-TDFN (2x3)	Non-Volatile	EEPROM	Microwire		2 MHz	2 ms	5.5 V	4.5 V	Surface Mount
Microchip Technology 93C66B-I/MS	8-MSOP 8-TSSOP	256 x 16	EEPROM	4 Kbit	85 °C	-40 °C	8-MSOP	Non-Volatile	EEPROM	Microwire		2 MHz	2 ms	5.5 V	4.5 V	Surface Mount		0.118 in	3 mm
Microchip Technology 93C66B-I/ST	8-TSSOP	256 x 16	EEPROM	4 Kbit	85 °C	-40 °C	8-TSSOP	Non-Volatile	EEPROM	Microwire		2 MHz	2 ms	5.5 V	4.5 V	Surface Mount		0.173 "		4.4 mm
Microchip Technology AT93C66B-SSHM-B	8-SOIC		EEPROM	4 Kbit	85 °C	-40 °C	8-SOIC	Non-Volatile	EEPROM	3-Wire Serial		2 MHz	5 ms	5.5 V	1.7 V	Surface Mount					3.9 mm	0.154 in	256 512
Microchip Technology AT93C66B-SSHM-T	8-SOIC		EEPROM	4 Kbit	85 C	-40 °C	8-SOIC	Non-Volatile	EEPROM	3-Wire Serial		2 MHz	5 ms	5.5 V	1.7 V	Surface Mount					3.9 mm	0.154 in	256 512
Microchip Technology 93C66BT-I/ST	8-TSSOP	256 x 16	EEPROM	4 Kbit	85 °C	-40 °C	8-TSSOP	Non-Volatile	EEPROM	Microwire		2 MHz	2 ms	5.5 V	4.5 V	Surface Mount		0.173 "		4.4 mm
Microchip Technology 93C66BT-E/OT	SOT-23-6	256 x 16	EEPROM	4 Kbit	125 °C	-40 °C	SOT-23-6	Non-Volatile	EEPROM	Microwire		2 MHz	2 ms	5.5 V	4.5 V	Surface Mount
Microchip Technology AT93C66B-XHM-B	8-TSSOP		EEPROM	4 Kbit	85 °C	-40 °C	8-TSSOP	Non-Volatile	EEPROM	3-Wire Serial		2 MHz	5 ms	5.5 V	1.7 V	Surface Mount		0.173 "		4.4 mm			256 512
Microchip Technology 93C66B-E/ST	8-TSSOP	256 x 16	EEPROM	4 Kbit	125 °C	-40 °C	8-TSSOP	Non-Volatile	EEPROM	Microwire		2 MHz	2 ms	5.5 V	4.5 V	Surface Mount		0.173 "		4.4 mm

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Description

General part information

AT93C66B Series

The Microchip 93C66B device is a 4Kb Microwire (3-wire) Serial EEPROM with dedicated 16-bit memory organization and a voltage operation range of 4.5 - 5.5V. Also available are the 93C66A for dedicated 8-bit memory organization and the 93C66C for hardware selectable word size using the ORG pin. The 93C66B is optimized for use in consumer, industrial, and automotive applications where reliable and dependable nonvolatile memory storage is essential. The device is available in a variety of Pb-free packages including SOT-23, PDIP, SOIC, MSOP, DFN and TSSOP.

Documents

Technical documentation and resources