Specification	25AA320AT-I/SN

Clock Frequency	10 MHz
Memory Format	EEPROM
Memory Interface	SPI
Memory Organization [custom]	4 K
Memory Organization [custom]	8 bits
Memory Size	32 Kbit
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
Write Cycle Time - Word, Page	5 ms

25AA320AX Series

32Kb 1.8V SPI Serial EEPROM

Part	Package / Case	Package / Case [custom]	Package / Case [custom]	Supplier Device Package	Memory Type	Memory Organization [custom]	Memory Organization [custom]	Voltage - Supply [Min]	Voltage - Supply [Max]	Memory Format	Clock Frequency	Mounting Type	Operating Temperature [Max]	Operating Temperature [Min]	Technology	Memory Interface	Memory Size	Write Cycle Time - Word, Page	Package / Case	Package / Case [y]	Package / Case [x]
Microchip Technology 25AA320AT-I/ST	8-TSSOP	0.173 "	4.4 mm	8-TSSOP	Non-Volatile	4 K	8 bits	1.8 V	5.5 V	EEPROM	10 MHz	Surface Mount	85 °C	-40 °C	EEPROM	SPI	32 Kbit	5 ms
Microchip Technology 25AA320XT-I/ST	8-TSSOP	0.173 "	4.4 mm	8-TSSOP	Non-Volatile	4 K	8 bits	1.8 V	5.5 V	EEPROM		Surface Mount	85 °C	-40 °C	EEPROM	SPI	32 Kbit	5 ms
Microchip Technology 25AA320AT-I/MS	8-MSOP 8-TSSOP	0.118 in		8-MSOP	Non-Volatile	4 K	8 bits	1.8 V	5.5 V	EEPROM	10 MHz	Surface Mount	85 °C	-40 °C	EEPROM	SPI	32 Kbit	5 ms	3 mm
Microchip Technology 25AA320AT-I/MNY	8-WFDFN Exposed Pad			8-TDFN (2x3)	Non-Volatile	4 K	8 bits	1.8 V	5.5 V	EEPROM	10 MHz	Surface Mount	85 °C	-40 °C	EEPROM	SPI	32 Kbit	5 ms
Microchip Technology 25AA320A-I/MS	8-MSOP 8-TSSOP	0.118 in		8-MSOP	Non-Volatile	4 K	8 bits	1.8 V	5.5 V	EEPROM	10 MHz	Surface Mount	85 °C	-40 °C	EEPROM	SPI	32 Kbit	5 ms	3 mm
Microchip Technology 25AA320X-I/ST	8-TSSOP	0.173 "	4.4 mm	8-TSSOP	Non-Volatile	4 K	8 bits	1.8 V	5.5 V	EEPROM		Surface Mount	85 °C	-40 °C	EEPROM	SPI	32 Kbit	5 ms
Microchip Technology 25AA320AX-I/ST	8-TSSOP	0.173 "	4.4 mm	8-TSSOP	Non-Volatile	4 K	8 bits	1.8 V	5.5 V	EEPROM	10 MHz	Surface Mount	85 °C	-40 °C	EEPROM	SPI	32 Kbit	5 ms
Microchip Technology 25AA320-I/SN	8-SOIC			8-SOIC	Non-Volatile	4 K	8 bits	1.8 V	5.5 V	EEPROM		Surface Mount	85 °C	-40 °C	EEPROM	SPI	32 Kbit	5 ms		3.9 mm	0.154 in
Microchip Technology 25AA320T-I/SN	8-SOIC			8-SOIC	Non-Volatile	4 K	8 bits	1.8 V	5.5 V	EEPROM		Surface Mount	85 °C	-40 °C	EEPROM	SPI	32 Kbit	5 ms		3.9 mm	0.154 in
Microchip Technology 25AA320AT-I/SN	8-SOIC			8-SOIC	Non-Volatile	4 K	8 bits	1.8 V	5.5 V	EEPROM	10 MHz	Surface Mount	85 °C	-40 °C	EEPROM	SPI	32 Kbit	5 ms		3.9 mm	0.154 in

Pricing

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

Distributor	Package	Quantity	$

Digikey	Cut Tape (CT)	1	$ 0.74
		25	$ 0.72
		100	$ 0.69
	Digi-Reel®	1	$ 0.74
		25	$ 0.72
		100	$ 0.69
	Tape & Reel (TR)	3300	$ 0.69
Microchip Direct	T/R	1	$ 0.72
		25	$ 0.70
		100	$ 0.67
		1000	$ 0.62
		5000	$ 0.60
		10000	$ 0.56
Newark	Each (Supplied on Full Reel)	100	$ 0.71

Description

General part information

25AA320AX Series

The Microchip 25AA320A is a 32Kb Serial EEPROM utilizing the

industry standard Serial Peripheral Interface (SPI) compatible serial bus. The

device is organized as one block of 4096 x 8-bit and is optimized for use in consumer electronics, industrial, medical,

Documents

Technical documentation and resources

32K SPI Bus Serial EEPROM

Data Sheets

Using the C18 Compiler and the MSSP to Interface SPI? EEPROMs with PIC18 Devices

Application Notes

25AA320AT-I/SN

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25AA320AT-I/SN

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Technical Specifications

25AA320AX Series

Pricing

Description

25AA320AX Series

Documents

32K SPI Bus Serial EEPROM

Using the C18 Compiler and the MSSP to Interface SPI? EEPROMs with PIC18 Devices

Using the MSSP Module to Interface SPI? Serial EEPROMs with PIC18 Devices

Interfacing SPI? Serial EEPROMs to Microchip PICmicro® Microcontrollers

Interfacing SPI? Serial EEPROMs to PIC16 Devices

Interfacing SPI(TM) Serial EEPROMs to PIC18 Devices

Datasheet

25AA320AX Series