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

• Manufacturer Part Number: AT28C256E-25DM/883
• Description: IC EEPROM 256KBIT 250NS 28CDIP
• Manufacturer: Atmel

Specifications of AT28C256E-25DM/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-CDIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: AT28C256E-25DM883

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