Specification	93AA56AX-I/SN

Clock Frequency	2 MHz
Memory Format	EEPROM
Memory Interface	Microwire
Memory Organization [custom]	8
Memory Organization [custom]	256
Memory Size	256 B
Memory Type	Non-Volatile
Mounting Type	Surface Mount
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °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

93AA56A Series

2Kb Microwire (3-wire) Serial EEPROM with Hardware Selectable Word Size

Part	Memory Size	Supplier Device Package	Memory Type	Voltage - Supply [Min]	Voltage - Supply [Max]	Memory Format	Memory Organization [custom]	Memory Organization [custom]	Operating Temperature [Max]	Operating Temperature [Min]	Package / Case	Package / Case [y]	Package / Case [x]	Technology	Mounting Type	Clock Frequency	Memory Interface	Memory Organization	Package / Case [custom]	Package / Case [custom]	Package / Case	Package / Case	Write Cycle Time - Word, Page
Microchip Technology 93AA56AT-I/SN	256 B	8-SOIC	Non-Volatile	1.8 V	5.5 V	EEPROM	8	256	85 °C	-40 °C	8-SOIC	3.9 mm	0.154 in	EEPROM	Surface Mount	2 MHz	Microwire
Microchip Technology 93AA56CT-I/MC	256 B	8-DFN (2x3)	Non-Volatile	1.8 V	5.5 V	EEPROM			85 °C	-40 °C	8-VFDFN Exposed Pad			EEPROM	Surface Mount	3 MHz	Microwire	128 x 16 256 x 8
Microchip Technology 93AA56BT-I/ST	256 B	8-TSSOP	Non-Volatile	1.8 V	5.5 V	EEPROM			85 °C	-40 °C	8-TSSOP			EEPROM	Surface Mount	2 MHz	Microwire	128 x 16	0.173 "	4.4 mm
Microchip Technology 93AA56AT-I/OT	256 B	SOT-23-6	Non-Volatile	1.8 V	5.5 V	EEPROM	8	256	85 °C	-40 °C	SOT-23-6			EEPROM	Surface Mount	2 MHz	Microwire
Microchip Technology 93AA56C-I/MS	256 B	8-MSOP	Non-Volatile	1.8 V	5.5 V	EEPROM			85 °C	-40 °C	8-MSOP 8-TSSOP			EEPROM	Surface Mount	3 MHz	Microwire	128 x 16 256 x 8	0.118 in		3 mm
Microchip Technology 93AA56B-I/ST	256 B	8-TSSOP	Non-Volatile	1.8 V	5.5 V	EEPROM			85 °C	-40 °C	8-TSSOP			EEPROM	Surface Mount	2 MHz	Microwire	128 x 16	0.173 "	4.4 mm
Microchip Technology 93AA56BX-I/SN	256 B	8-SOIC	Non-Volatile	1.8 V	5.5 V	EEPROM			85 °C	-40 °C	8-SOIC	3.9 mm	0.154 in	EEPROM	Surface Mount	2 MHz	Microwire	128 x 16
Microchip Technology 93AA56/P	256 B	8-PDIP	Non-Volatile	1.8 V	5.5 V	EEPROM			70 °C	0 °C	8-DIP			EEPROM	Through Hole	2 MHz	Microwire	128 x 16 256 x 8			0.3 in	7.62 mm	10 ms
Microchip Technology 93AA56C-I/ST	256 B	8-TSSOP	Non-Volatile	1.8 V	5.5 V	EEPROM			85 °C	-40 °C	8-TSSOP			EEPROM	Surface Mount	3 MHz	Microwire	128 x 16 256 x 8	0.173 "	4.4 mm
Microchip Technology 93AA56AX-I/SN	256 B	8-SOIC	Non-Volatile	1.8 V	5.5 V	EEPROM	8	256	85 °C	-40 °C	8-SOIC	3.9 mm	0.154 in	EEPROM	Surface Mount	2 MHz	Microwire

Pricing

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

Distributor	Package	Quantity	$

Digikey	Tube	1100	$ 0.30
Microchip Direct	TUBE	1	$ 0.33
		25	$ 0.30
		100	$ 0.29
		1000	$ 0.27
		5000	$ 0.26
		10000	$ 0.25

Description

General part information

93AA56A Series

The Microchip 93AA56A device is a 2Kb 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 93AA56B for dedicated 16-bit memory organization and the 93AA56C for hardware selectable word size using the ORG pin. The 93AA56A 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

Datasheet

93AA56AX-I/SN

Deep-Dive with AI

93AA56AX-I/SN

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Technical Specifications

93AA56A Series

Pricing

Description

93AA56A Series

Documents

Datasheet

Using the MSSP Module to Interface Microwire Serial EEPROMs to PIC16 Devices

Interfacing Microwire Serial EEPROMs to PIC16 Devices

Using the C18 Compiler to Interface Microwire Serial EEPROMs to PIC18 Devices

1K, 2K and 4K Microwire EEPROM Migration

93XX56A/B/C - 2-Kbit Microwire Compatible Serial EEPROM

Interfacing Microwire Serial EEPROMs to PIC18 Devices

93AA56A Series