93C66C Series

4Kb 5V Microwire (3-wire) Serial EEPROM with Hardware Selectable Word Size

Catalog

4Kb 5V Microwire (3-wire) Serial EEPROM with Hardware Selectable Word Size

Part	Memory Interface	Memory Organization	Operating Temperature [Max]	Operating Temperature [Min]	Voltage - Supply [Min]	Voltage - Supply [Max]	Mounting Type	Memory Size	Memory Format	Supplier Device Package	Clock Frequency	Technology	Write Cycle Time - Word, Page	Memory Type	Package / Case	Package / Case [y]	Package / Case [x]	Package / Case [custom]	Package / Case [custom]	Package / Case	Package / Case
Microchip Technology 93C66CT-I/SN	Microwire	256 512	85 °C	-40 °C	4.5 V	5.5 V	Surface Mount	4 Kbit	EEPROM	8-SOIC	3 MHz	EEPROM	2 ms	Non-Volatile	8-SOIC	3.9 mm	0.154 in
Microchip Technology 93C66CT-E/SN	Microwire	256 512	125 °C	-40 °C	4.5 V	5.5 V	Surface Mount	4 Kbit	EEPROM	8-SOIC	3 MHz	EEPROM	2 ms	Non-Volatile	8-SOIC	3.9 mm	0.154 in
Microchip Technology 93C66C-I/SN	Microwire	256 512	85 °C	-40 °C	4.5 V	5.5 V	Surface Mount	4 Kbit	EEPROM	8-SOIC	3 MHz	EEPROM	2 ms	Non-Volatile	8-SOIC	3.9 mm	0.154 in
Microchip Technology 93C66C-E/ST	Microwire	256 512	125 °C	-40 °C	4.5 V	5.5 V	Surface Mount	4 Kbit	EEPROM	8-TSSOP	3 MHz	EEPROM	2 ms	Non-Volatile	8-TSSOP			0.173 "	4.4 mm
Microchip Technology 93C66C-E/P	Microwire	256 512	125 °C	-40 °C	4.5 V	5.5 V	Through Hole	4 Kbit	EEPROM	8-PDIP	3 MHz	EEPROM	2 ms	Non-Volatile	8-DIP					0.3 in	7.62 mm
Microchip Technology 93C66C-I/S15K	Microwire	256 512	85 °C	-40 °C	4.5 V	5.5 V	Surface Mount	4 Kbit	EEPROM	Die	3 MHz	EEPROM	2 ms	Non-Volatile	Die
Microchip Technology 93C66CT-E/MNY	Microwire	256 512	125 °C	-40 °C	4.5 V	5.5 V	Surface Mount	4 Kbit	EEPROM	8-TDFN (2x3)	3 MHz	EEPROM	2 ms	Non-Volatile	8-WFDFN Exposed Pad
Microchip Technology 93C66CT-I/MNY	Microwire	256 512	85 °C	-40 °C	4.5 V	5.5 V	Surface Mount	4 Kbit	EEPROM	8-TDFN (2x3)	3 MHz	EEPROM	2 ms	Non-Volatile	8-WFDFN Exposed Pad
Microchip Technology 93C66C/S15K	Microwire	256 512	70 °C	0 °C	4.5 V	5.5 V	Surface Mount	4 Kbit	EEPROM	Die	3 MHz	EEPROM	2 ms	Non-Volatile	Die
Microchip Technology 93C66CT-E/MS	Microwire	256 512	125 °C	-40 °C	4.5 V	5.5 V	Surface Mount	4 Kbit	EEPROM	8-MSOP	3 MHz	EEPROM	2 ms	Non-Volatile	8-MSOP 8-TSSOP			0.118 in		3 mm

Catalog

4Kb 5V Microwire (3-wire) Serial EEPROM with Hardware Selectable Word Size

Key Features

• * Industry Standard Microwire Serial I/O

• * Up to 3 MHz clock compatibility

• * ORG Pin to select word size

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

• * Self-Timed Erase and Write Cycles (2 ms max.)

• * Read current 100 uA (Typ), 1 mA (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 PDIP-8, SOIC-8, MSOP-8, 2x3 DFN-8 and TSSOP-8

Description

The Microchip 93C66C device is a 4Kb Microwire (3-wire) Serial EEPROM with hardware selectable word size using the ORG pin and a voltage operation range of 4.5 - 5.5V. Also available are the 93C66A for dedicated 8-bit memory organization and the 93C66B for dedicated 16-bit memory organization. The 93C66C 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 PDIP, SOIC, MSOP, DFN and TSSOP.