25AA320AX Series

32Kb 1.8V SPI Serial EEPROM

Catalog

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

Key Features

• * 4096 x 8-bit (32 Kbit)

• * Supports SPI modes 0 and 3

• * Up to 10 MHz clock frequency

• * Self-Timed Erase and Write Cycles (5 ms max.)

• * Read current: 5 mA (Max) at 10 MHz

• * Write current: 5 mA (Max) at 10 MHz

• * Standby current: 5 μA (Max) at 5.5 V

• * Block Write Protection: Protect 1/4, 1/2 or Entire Array

• * More than 1 million erase/write cycles

• * Data retention > 200 years

• * Industrial (I): -40°C to 85°C

• * Automotive AECQ-100 Qualified1

• * Factory Programming Available

• * Available in standard packages including 8-lead PDIP and SOIC, and advanced packages including 8-lead MSOP, 8-lead TSSOP and 8-lead 2x3 TDFN

Description

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, and automotive applications where reliable and dependable nonvolatile memory storage is essential. Software write protection allows the user to protect ¼, ½, or the entire memory array. A hardware write protect pin is also provided, which additionally protects against inadvertent writes to the status register. The EEPROM is available in a variety of space-saving packaging options.