Integrated Circuits (ICs)

93AA66X/SN

Active

Microchip Technology

EEPROM SERIAL-MICROWIRE 4K-BIT 512 X 8/256 X 16 2.5V/3.3V/5V 8-PIN SOIC N TUBE

Deep-Dive with AI

Search across all available documentation for this part.

DocumentsDatasheet Datasheet

Integrated Circuits (ICs)

93AA66X/SN

Active

Microchip Technology

EEPROM SERIAL-MICROWIRE 4K-BIT 512 X 8/256 X 16 2.5V/3.3V/5V 8-PIN SOIC N TUBE

Deep-Dive with AI

DocumentsDatasheet Datasheet

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	93AA66X/SN

Clock Frequency	2 MHz
Memory Format	EEPROM
Memory Interface	Microwire
Memory Organization	256, 512
Memory Size	4 Kbit
Memory Type	Non-Volatile
Mounting Type	Surface Mount
Operating Temperature [Max]	70 °C
Operating Temperature [Min]	0 °C
Package / Case	8-SOIC
Package / Case [x]	0.154 in
Package / Case [y]	3.9 mm
Supplier Device Package	8-SOIC
Technology	EEPROM
Voltage - Supply [Max]	5.5 V
Voltage - Supply [Min]	1.8 V
Write Cycle Time - Word, Page	10 ms

93AA66B Series

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

Pricing

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

Distributor	Package	Quantity	$

Digikey	Tube	600	$ 0.63
Newark	Each	100	$ 0.65

Description

General part information

93AA66B Series

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

Documents

Technical documentation and resources