2003 Microchip Technology Inc.
Preliminary
DS21822C-page 23
25AA256/25LC256
PRODUCT IDENTIFICATION SYSTEM
To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office
.
Sales and Support
PART NO.
X
/XX
X
Lead
Finish
Package
Tape & Reel
Device
Device
25AA256
25LC256
256k-bit, 1.8V, 64-Byte Page, SPI Serial EEPROM
256k-bit, 2.5V, 64-Byte Page, SPI Serial EEPROM
Tape & Reel
Blank =
T
=
Standard packaging (tube)
Tape & Reel
-40
°
C to+85
°
C
-40
°
C to+125
°
C
Temperature Range
I
E
=
=
Package
MF
P
SN
ST
=
=
=
=
Micro Lead Frame (6 x 5 mm body), 8-lead
Plastic DIP (300 mil body), 8-lead
Plastic SOIC (150 mil body), 8-lead
TSSOP, 8-lead
Lead Finish
Blank
G
=
=
Standard 63% / 37% Sn/Pb
Matte Tin (Pure Sn)
Examples:
a)
25AA256-I/STG = 256k-bit, 1.8V Serial
EEPROM, Industrial temp., TSSOP package,
Pb-free
25AA256T-I/SN = 256k-bit, 1.8V Serial
EEPROM, Industrial temp., Tape & Reel, SOIC
package
25AA256T-I/ST = 256k-bit, 1.8V Serial
EEPROM, Industrial temp., Tape & Reel,
TSSOP package
25LC256-I/STG = 256k-bit, 2.5V Serial
EEPROM, Industrial temp., TSSOP package,
Pb-free
25LC256-I/P = 256k-bit, 2.5V Serial EEPROM,
Industrial temp., P-DIP package
25LC256T-E/ST = 256k-bit, 2.5V Serial
EEPROM, Extended temp., Tape & Reel,
TSSOP package
b)
c)
d)
e)
f)
–
Data Sheets
Products supported by a preliminary Data Sheet may have an errata sheet describing minor operational differences and
recommended workarounds. To determine if an errata sheet exists for a particular device, please contact one of the following:
1.
2.
3.
Your local Microchip sales office
The Microchip Corporate Literature Center U.S. FAX: (480) 792-7277
The Microchip Worldwide Site (www.microchip.com)
Please specify which device, revision of silicon and Data Sheet (include Literature #) you are using.
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X
Temp Range