25AA640-I/SN Microchip Technology, 25AA640-I/SN Datasheet - Page 21

• Manufacturer Part Number: 25AA640-I/SN
• Description: IC EEPROM 64KBIT 1MHZ 8SOIC
• Manufacturer: Microchip Technology

Specifications of 25AA640-I/SN

• Memory Size: 64K (8K x 8)
• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Speed: 1MHz
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 1.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-SOIC (3.9mm Width)
• Memory Configuration: 8K X 8
• Ic Interface Type: SPI
• Clock Frequency: 1MHz
• Supply Voltage Range: 1.8V To 5.5V
• Memory Case Style: SOIC
• No. Of Pins: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 25AA640-I/SNG; 25AA640-I/SNG

PRODUCT IDENTIFICATION SYSTEM
To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office
© 2008 Microchip Technology Inc.
Device
Temperature Range
Package
PART NO.
Device
Temperature
Range
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
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
Pattern
XXX
25AA640/25LC640
Examples:
a)
b)
c)
d)
e)
f)
25AA640-I/SN: Industrial Temp.,
SOIC package
25AA640T-I/SN: Tape and Reel,
Industrial Temp., SOIC package
25AA640X-I/ST: Alternate Pinout
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
.
DS21223H-page 21