25LC256 Series

256Kb 2.5V SPI Serial EEPROM

Catalog

256Kb 2.5V SPI Serial EEPROM

Part	Technology	Voltage - Supply [Min]	Voltage - Supply [Max]	Clock Frequency	Operating Temperature [Min]	Operating Temperature [Max]	Memory Interface	Memory Organization	Memory Type	Supplier Device Package	Mounting Type	Memory Size	Memory Format	Package / Case	Package / Case [y]	Package / Case [x]	Write Cycle Time - Word, Page	Qualification	Grade	Package / Case [custom]	Package / Case [custom]
Microchip Technology 25LC256-H/SN	EEPROM	2.5 V	5.5 V	5 MHz	-40 °C	150 °C	SPI	32K x 8	Non-Volatile	8-SOIC	Surface Mount	32 KB	EEPROM	8-SOIC	3.9 mm	0.154 in
Microchip Technology 25LC256-I/SN	EEPROM	2.5 V	5.5 V	10 MHz	-40 °C	85 °C	SPI	32K x 8	Non-Volatile	8-SOIC	Surface Mount	32 KB	EEPROM	8-SOIC	3.9 mm	0.154 in	5 ms
Microchip Technology 25LC256T-E/SM16KVAO	EEPROM	2.5 V	5.5 V	5 MHz	-40 °C	125 °C	SPI	32K x 8	Non-Volatile	8-SOIJ	Surface Mount	32 KB	EEPROM	8-SOIC	5.3 mm	0.209 "	5 ms	AEC-Q100	Automotive
Microchip Technology 25LC256T-E/MF	EEPROM	2.5 V	5.5 V	10 MHz	-40 °C	125 °C	SPI	32K x 8	Non-Volatile	8-DFN-S (6x5)	Surface Mount	32 KB	EEPROM	8-VDFN Exposed Pad			5 ms
Microchip Technology 25LC256-E/SN16KVAO	EEPROM	2.5 V	5.5 V	5 MHz	-40 °C	125 °C	SPI	32K x 8	Non-Volatile	8-SOIC	Surface Mount	32 KB	EEPROM	8-SOIC	3.9 mm	0.154 in	5 ms	AEC-Q100	Automotive
Microchip Technology 25LC256T-E/SM	EEPROM	2.5 V	5.5 V	10 MHz	-40 °C	125 °C	SPI	32K x 8	Non-Volatile	8-SOIJ	Surface Mount	32 KB	EEPROM	8-SOIC	5.3 mm	0.209 "	5 ms
Microchip Technology 25LC256-E/SM16KVAO	EEPROM	2.5 V	5.5 V	5 MHz	-40 °C	125 °C	SPI	32K x 8	Non-Volatile	8-SOIJ	Surface Mount	32 KB	EEPROM	8-SOIC	5.3 mm	0.209 "	5 ms	AEC-Q100	Automotive
Microchip Technology 25LC256T-I/ST	EEPROM	2.5 V	5.5 V	10 MHz	-40 °C	85 °C	SPI	32K x 8	Non-Volatile	8-TSSOP	Surface Mount	32 KB	EEPROM	8-TSSOP			5 ms			0.173 "	4.4 mm
Microchip Technology 25LC256-E/ST	EEPROM	2.5 V	5.5 V	10 MHz	-40 °C	125 °C	SPI	32K x 8	Non-Volatile	8-TSSOP	Surface Mount	32 KB	EEPROM	8-TSSOP			5 ms			0.173 "	4.4 mm
Microchip Technology 25LC256T-E/SN16KVAO	EEPROM	2.5 V	5.5 V	5 MHz	-40 °C	125 °C	SPI	32K x 8	Non-Volatile	8-SOIC	Surface Mount	32 KB	EEPROM	8-SOIC	3.9 mm	0.154 in	5 ms	AEC-Q100	Automotive

Catalog

256Kb 2.5V SPI Serial EEPROM

Key Features

• * 32,768 x 8-bit (256 Kbit)

• * Supports SPI modes 0 and 3

• * Up to 10 MHz clock frequency

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

• * Read current: 6mA (Max) at 10 MHz

• * Write current: 5 mA (Max) at 5.5 V

• * 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

• * Extended (E): -40°C to +125°C

• * Automotive AECQ-100 Qualified1

• * Factory Programming Available

• * Available in standard packages including 8-lead PDIP, SOIC, SOIJ, and TSSOP, as well as 5x6mm DFN

Description

The Microchip 25LC256 is a 256 Kb Serial EEPROM utilizing the industry standard Serial Peripheral Interface (SPI) compatible serial bus. The device is organized as one block of 32,768 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.