 2003-2013 Microchip Technology Inc.

DS21822G-page 29

25AA256/25LC256

PRODUCT IDENTIFICATION SYSTEM

To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office

.

PART NO.

X

/XX

Package

Tape & Reel

Device

Device:

25AA256

25LC256

25AA256X

25LC256X

256k-bit, 1.8V, 64-Byte Page, SPI Serial EEPROM

256k-bit, 2.5V, 64-Byte Page, SPI Serial EEPROM

256k-bit, 1.8V, 64-Byte Page, SPI Serial EEPROM,

rotated pinout (ST only)

256k-bit, 2.5V, 64-Byte Page, SPI Serial EEPROM,

rotated pinout (ST only)

Tape & Reel:

Blank =

T=

Standard packaging (tube)

Tape & Reel

Temperature

Range:

I=

E=

-40

C to+85C

-40

C to+125C

Package:

MF

=

P=

SN

=

ST

=

SM

=

Micro Lead Frame (6 x 5 mm body), 8-lead

Plastic DIP (300 mil body), 8-lead

Plastic SOIC (3.90 mml body), 8-lead

TSSOP, 8-lead

Plastic SOIC (5.28 mm body), 8-lead

Examples:

a)

25AA256T-I/SN = 256 kbit, 1.8V Serial

EEPROM, Industrial temp., Tape & Reel, SOIC

package

b)

25AA256T-I/ST = 256 kbit, 1.8V Serial

EEPROM, Industrial temp., Tape & Reel,

TSSOP package

c)

25LC256-I/P = 256 kbit, 2.5V Serial EEPROM,

Industrial temp., P-DIP package

d)

25LC256T-E/ST = 256 kbit, 2.5V Serial

EEPROM, Extended temp., Tape & Reel,

TSSOP package

e)

25LC256XT-I/ST = 256 kbit, 2.5V Serial

EEPROM, Industrial temp., Tape and Reel,

Rotated TSSOP package

f)

25AA256T-E/SN = 256 kbit, 1.8V Serial

EEPROM, Extended temp., Tape and Reel,

SOIC package

–

X

Temp Range