© 2008 Microchip Technology Inc.

DS21223H-page 21

25AA640/25LC640

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

XXX

Pattern

Package

Temperature

Range

Device

Device

25AA640:

64K bit 1.8V SPI Serial EEPROM

25AA640T:

64K bit 1.8V SPI Serial EEPROM

(Tape and Reel)

25AA640X:

64K bit 1.8V SPI Serial EEPROM

in alternate pinout (ST only)

25AA640XT: 64K bit 1.8V SPI Serial EEPROM

in alternate pinout Tape and Reel (ST only)

25LC640:

64K bit 2.5V SPI Serial EEPROM

25LC640T:

64K bit 2.5V SPI Serial EEPROM

(Tape and Reel)

25LC640X:

64K bit 2.5V SPI Serial EEPROM

in alternate pinout (ST only)

25LC640XT: 64K bit 2.5V SPI Serial EEPROM

in alternate pinout Tape and Reel (ST only)

Temperature Range

I

=

-40

°C to +85°C

E=

-40

°C to +125°C

Package

P

=

Plastic DIP (300 mil Body), 8-lead

SN

=

Plastic SOIC (150 mil Body), 8-lead

ST

=

Plastic TSSOP (4.4 mm Body), 8-lead

Examples:

a)

25AA640-I/SN: Industrial Temp.,

SOIC package

b)

25AA640T-I/SN: Tape and Reel,

Industrial Temp., SOIC package

c)

25AA640X-I/ST: Alternate Pinout

Industrial Temp., TSSOP package

d)

25LC640-I/SN: Industrial Temp.,

SOIC package

e)

25LC640T-I/SN: Tape and Reel,

Industrial Temp., SOIC package

f)

25LC640X-I/ST: Alternate Pinout,

Industrial Temp., TSSOP package