© 2009 Microchip Technology Inc. DS21828F-page 25
25AA320A/25LC320A
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25AA320A/25LC320A
DS21828F-page 26 © 2009 Microchip Technology Inc.
READER RESPONSE
It is our intention to provide you with the best documentation possible to ensure successful use of your Microchip prod-
uct. If you wish to provide your comments on organization, clarity, subject matter, and ways in which our documentation
can better serve you, please FAX your comments to the Technical Publications Manager at (480) 792-4150.
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DS21828F25AA320A/25LC320A
1. What are the best features of this document?
2. How does this document meet your hardware and software development needs?
3. Do you find the organization of this document easy to follow? If not, why?
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7. How would you improve this document?
© 2009 Microchip Technology Inc. DS21828F-page 27
25AA320A/25LC320A
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
PackageTape & Reel
Device
Device: 25AA320A =
25LC320A =
25AA320AX =
25LC320AX =
32k-bit, 1.8V, SPI Serial EEPROM
32k-bit, 2.5V, SPI Serial EEPROM
32k-bit, 1.8V, SPI Serial EEPROM in alternate
pinout (ST only)
32k-bit, 2.5V, SPI Serial EEPROM in alternate
pinout (ST only)
Tape & Reel: Blank =
T=
Standard packaging
Tape & Reel
Temperature
Range:
I=
E=
-40°C to+85°C
-40°C to+125°C
Package: MS =
P=
SN =
ST =
MNY
(1)
=
Plastic MSOP (Micro Small Outline), 8-lead
Plastic DIP (300 mil body), 8-lead
Plastic SOIC (3.90 mm body), 8-lead
TSSOP, 8-lead
TDFN, 8-lead 2x3 mm
Note 1: “Y” indicates a Nickel Palladium Gold (NiPdAu) finish.
Examples:
a) 25AA320A-I/MS = 32k-bit, 1.8V Serial
EEPROM, Industrial temp., MSOP
package
b) 25AA320AT-I/SN = 32k-bit, 1.8V Serial
EEPROM, Industrial temp., Tape & Reel, SOIC
package
c) 25LC320AT-E/SN = 32k-bit, 2.5V Serial
EEPROM, Extended temp., Tape & Reel, SOIC
package
d) 25LC320AT-I/ST = 32k-bit, 2.5V Serial
EEPROM, Industrial temp., Tape & Reel,
TSSOP package
e) 25LC320AXT-I/ST = 32k-bit, 2.5V Serial
EEPROM, Industrial temp., Tape & Reel,
Rotated pinout, TSSOP package
X
Temp Range

25LC320AX-I/ST

Mfr. #:
Manufacturer:
Microchip Technology
Description:
EEPROM 32K 4KX8 2.5V SER EE IND
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union