AT24C256C Series

256Kb I2C compatible 2-wire Serial EEPROM

Catalog

256Kb I2C compatible 2-wire Serial EEPROM

Part	Supplier Device Package	Memory Size	Memory Type	Memory Organization	Mounting Type	Memory Format	Voltage - Supply [Max]	Voltage - Supply [Min]	Technology	Access Time	Write Cycle Time - Word, Page	Memory Interface	Package / Case	Operating Temperature [Max]	Operating Temperature [Min]	Package / Case [custom]	Package / Case [custom]
Microchip Technology AT24C256C-MAHL-E	8-UDFN (2x3)	32 KB	Non-Volatile	32K x 8	Surface Mount	EEPROM	5.5 V	1.7 V	EEPROM	550 ns	5 ms	I2C	8-UFDFN Exposed Pad	85 °C	-40 °C
Microchip Technology AT24C256C-XHL-T	8-TSSOP	32 KB	Non-Volatile	32K x 8	Surface Mount	EEPROM	5.5 V	1.7 V	EEPROM	550 ns	5 ms	I2C	8-TSSOP	85 °C	-40 °C	0.173 "	4.4 mm
Microchip Technology AT24C256C-XHL-B	8-TSSOP	32 KB	Non-Volatile	32K x 8	Surface Mount	EEPROM	5.5 V	1.7 V	EEPROM	550 ns	5 ms	I2C	8-TSSOP	85 °C	-40 °C	0.173 "	4.4 mm
Microchip Technology AT24C256C-MAHL-T	8-UDFN (2x3)	32 KB	Non-Volatile	32K x 8	Surface Mount	EEPROM	5.5 V	1.7 V	EEPROM	550 ns	5 ms	I2C	8-UFDFN Exposed Pad	85 °C	-40 °C

Catalog

256Kb I2C compatible 2-wire Serial EEPROM

Key Features

• * 32K x 8 (256 Kbit)

• * 400 kHz and 1 MHz clock compatibility

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

• * Read current 1 mA (Typ), 2 mA (Max)

• * Write current 2 mA (Typ), 3 mA (Max)

• * Standby current 6 uA (Max)

• * Hardware Write-Protect Pin

• * More than 1 million erase/write cycles

• * Data retention > 100 years

• * Grade 1 Temperature Range: -40°C to 125°C

• * Grade 2 Temperature Range: -40°C to 105°C

• * Grade 3 Temperature Range: -40°C to 85°C

• * Qualified for Automotive Applications

• * Factory Programming Available

• * Available in 8-lead SOIC, 8-lead TSSOP, 8-pad UDFN, and 8-ball VFBGA packages

Description

The Microchip AT24C256C is a 256Kb Serial EEPROM utilizing an I2C (2-wire) serial interface. The device is organized as one block of 32K x 8 and is optimized for use in consumer, industrial, and automotive applications where reliable and dependable nonvolatile memory storage is essential. The EEPROM is available in a variety of space-saving packaging options.