Datasheet

© 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
PatternPackageTemperature
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