AT28C256E-25UM/883 Atmel, AT28C256E-25UM/883 Datasheet - Page 24

IC EEPROM 256KBIT 250NS 28PGA

AT28C256E-25UM/883

Manufacturer Part Number
AT28C256E-25UM/883
Description
IC EEPROM 256KBIT 250NS 28PGA
Manufacturer
Atmel
Datasheet

Specifications of AT28C256E-25UM/883

Format - Memory
EEPROMs - Parallel
Memory Type
EEPROM
Memory Size
256K (32K x 8)
Speed
250ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-55°C ~ 125°C
Package / Case
28-PGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
AT28C256E-25UM883
29.8
24
28U – PGA
Dimensions in Millimeters and (Inches).
Controlling dimension: Inches.
AT28C256
R
2325 Orchard Parkway
San Jose, CA 95131
16.71(0.658)
16.31(0.642)
TITLE
28U, 28-pin, Ceramic Pin Grid Array (PGA)
10.41(0.410)
13.74(0.540)
13.36(0.526)
14.17(0.558)
13.77(0.542)
9.91(0.390)
15.24(0.600)
14.88(0.586)
2.54(0.100) TYP
12.70(0.500) TYP
2.54(0.100) TYP
2.57(0.101)
2.06(0.081)
7.26(0.286)
6.50(0.256)
1.57(0.062)
1.83(0.072)
3.12(0.123)
2.62(0.103)
1.40(0.055)
1.14(0.045)
0.58(0.023)
0.43(0.017)
DRAWING NO.
28U
0006M–PEEPR–12/09
10/21/03
REV.
B

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