25C640 Microchip Technology, Inc., 25C640 Datasheet - Page 21

• Manufacturer Part Number: 25C640
• Description: The 25AA640 is a 64K-bit Serial Electrically Erasable Prom With Memory Accessed Via a Simple Serial Peripheral Interface (SPI™) Compatible Serial Bus
• Manufacturer: Microchip Technology, Inc.

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Device
Temperature Range
Package
2001 Microchip Technology Inc.
Your local Microchip sales office
The Microchip Corporate Literature Center U.S. FAX: [phone]
The Microchip Worldwide Site (www.microchip.com)
PART NO.
Device
Temperature
25AA640:
25AA640T:
25AA640X:
25AA640XT: 64K bit 1.8V SPI Serial EEPROM
25LC640:
25LC640T:
25LC640X:
25LC640XT: 64K bit 2.5V SPI Serial EEPROM
I
E
P
SN
ST
Range
X
=
=
=
=
=
-40 C to +85 C
-40 C to +125 C
64K bit 1.8V SPI Serial EEPROM
64K bit 1.8V SPI Serial EEPROM
(Tape and Reel)
64K bit 1.8V SPI Serial EEPROM
in alternate pinout (ST only)
in alternate pinout Tape and Reel (ST only)
64K bit 2.5V SPI Serial EEPROM
64K bit 2.5V SPI Serial EEPROM
(Tape and Reel)
64K bit 2.5V SPI Serial EEPROM
in alternate pinout (ST only)
in alternate pinout Tape and Reel (ST only)
Plastic DIP (300 mil Body), 8-lead
Plastic SOIC (150 mil Body), 8-lead
Plastic TSSOP (4.4 mm Body), 8-lead
Package
/XX
25AA040/25LC040
Examples:
a)
b)
c)
a)
b)
c)
25AA640-I/SN: Industrial Temp.,
SOIC package
25AA640T-I/SN: Tape and Reel,
Industrial Temp., SOIC package
25AA640-I/ST: Industrial Temp.,
TSSOP package
25LC640-I/SN: Industrial Temp.,
SOIC package
25LC640T-I/SN: Tape and Reel,
Industrial Temp., SOIC package
25LC640X-I/ST: Alternate Pinout,
Industrial Temp., TSSOP package
DS21223E-page 21