93AA66B Series

4Kb Microwire (3-wire) Serial EEPROM with Hardware Selectable Word Size

Catalog

4Kb Microwire (3-wire) Serial EEPROM with Hardware Selectable Word Size

Part	Clock Frequency	Operating Temperature [Max]	Operating Temperature [Min]	Memory Format	Package / Case	Package / Case [y]	Package / Case [x]	Memory Organization	Voltage - Supply [Min]	Voltage - Supply [Max]	Memory Interface	Supplier Device Package	Memory Type	Memory Size	Mounting Type	Write Cycle Time - Word, Page	Technology	Memory Organization [custom]	Memory Organization [custom]	Memory Organization	Package / Case [custom]	Package / Case [custom]	Package / Case	Package / Case
Microchip Technology 93AA66X/SN	2 MHz	70 °C	0 °C	EEPROM	8-SOIC	3.9 mm	0.154 in	256 512	1.8 V	5.5 V	Microwire	8-SOIC	Non-Volatile	4 Kbit	Surface Mount	10 ms	EEPROM
Microchip Technology 93AA66AXT-I/SN	2 MHz	85 °C	-40 °C	EEPROM	8-SOIC	3.9 mm	0.154 in		1.8 V	5.5 V	Microwire	8-SOIC	Non-Volatile	4 Kbit	Surface Mount		EEPROM	512	8
Microchip Technology 93AA66BT-I/OT	2 MHz	85 °C	-40 °C	EEPROM	SOT-23-6				1.8 V	5.5 V	Microwire	SOT-23-6	Non-Volatile	4 Kbit	Surface Mount		EEPROM			256 x 16
Microchip Technology 93AA66C-I/ST	3 MHz	85 °C	-40 °C	EEPROM	8-TSSOP			256 512	1.8 V	5.5 V	Microwire	8-TSSOP	Non-Volatile	4 Kbit	Surface Mount		EEPROM				0.173 "	4.4 mm
Microchip Technology 93AA66C-I/SN	3 MHz	85 °C	-40 °C	EEPROM	8-SOIC	3.9 mm	0.154 in	256 512	1.8 V	5.5 V	Microwire	8-SOIC	Non-Volatile	4 Kbit	Surface Mount		EEPROM
Microchip Technology 93AA66B-I/SN	2 MHz	85 °C	-40 °C	EEPROM	8-SOIC	3.9 mm	0.154 in		1.8 V	5.5 V	Microwire	8-SOIC	Non-Volatile	4 Kbit	Surface Mount		EEPROM			256 x 16
Microchip Technology 93AA66A-I/SN	2 MHz	85 °C	-40 °C	EEPROM	8-SOIC	3.9 mm	0.154 in		1.8 V	5.5 V	Microwire	8-SOIC	Non-Volatile	4 Kbit	Surface Mount		EEPROM	512	8
Microchip Technology 93AA66CT-I/SN	3 MHz	85 °C	-40 °C	EEPROM	8-SOIC	3.9 mm	0.154 in	256 512	1.8 V	5.5 V	Microwire	8-SOIC	Non-Volatile	4 Kbit	Surface Mount		EEPROM
Microchip Technology 93AA66/P	2 MHz	70 °C	0 °C	EEPROM	8-DIP			256 512	1.8 V	5.5 V	Microwire	8-PDIP	Non-Volatile	4 Kbit	Through Hole	10 ms	EEPROM						0.3 in	7.62 mm
Microchip Technology 93AA66-I/P	2 MHz	85 °C	-40 °C	EEPROM	8-DIP			256 512	1.8 V	5.5 V	Microwire	8-PDIP	Non-Volatile	4 Kbit	Through Hole	10 ms	EEPROM						0.3 in	7.62 mm

Catalog

4Kb Microwire (3-wire) Serial EEPROM with Hardware Selectable Word Size

Key Features

• * Industry Standard Microwire Serial I/O

• * Up to 2 MHz clock compatibility

• * 256 x 16-Bit Organization

• * Automatic Erase All (ERAL) Before Write All (WRAL)

• * Self-Timed Erase and Write Cycles (6 ms max.)

• * Read current 100 uA (Typ), 500 uA (Max)

• * Write current 500 uA (Typ), 2 mA (Max)

• * Standby current 1 uA (Max at -40 to 85°C)

• * Software Write-Protection

• * More than 1 million erase/write cycles

• * Data retention > 200 years

• * Grade 1 Temperature Range: -40°C to 125°C

• * Qualified for Automotive Applications

• * Factory Programming Available

• * Available in SOT-23-6, PDIP-8, SOIC-8, MSOP-8, 2x3 DFN-8 and TSSOP-8

Description

The Microchip 93AA66A device is a 4Kb Microwire (3-wire) Serial EEPROM with dedicated 8-bit memory organization and a voltage operation range of 1.8 - 5.5V. Also available are the 93AA66B for dedicated 16-bit memory organization and the 93AA66C for hardware selectable word size using the ORG pin. The 93AA66A 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.