AT28C256E-25JI Atmel, AT28C256E-25JI Datasheet - Page 20

• Manufacturer Part Number: AT28C256E-25JI
• Description: EEPROM 256K HI-ENDURANCE SDP- 250NS IND TEMP
• Manufacturer: Atmel

Specifications of AT28C256E-25JI

• Product Category: EEPROM
• Memory Size: 256 Kbit
• Organization: 32 K x 8
• Data Retention: 10 yr
• Maximum Operating Current: 50 mA
• Operating Supply Voltage: 5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: PLCC-32
• Access Time: 150 ns
• Interface Type: SPI
• Minimum Operating Temperature: - 40 C
• Output Enable Access Time: 100 ns
• Factory Pack Quantity: 32
• Supply Voltage - Max: 5.5 V
• Supply Voltage - Min: 4.5 V

29.4
20
32L – LCC
Dimensions in Millimeters and (Inches).
Controlling dimension: Inches.
MIL-STD 1835 C-12
AT28C256
R
2325 Orchard Parkway
San Jose, CA 95131
10.16(0.400) BSC
14.22(0.560)
13.72(0.540)
1.27(0.050) TYP
TITLE
32L, 32-pad, Non-windowed, Ceramic Lid, Leadless Chip
Carrier (LCC)
2.41(0.095)
1.91(0.075)
7.62(0.300) BSC
11.63(0.458)
11.23(0.442)
PIN 1
1.40(0.055)
1.14(0.045)
0.305(0.012)
0.178(0.007)
1.02(0.040) X 45˚
2.16(0.085)
1.65(0.065)
0.737(0.029)
0.533(0.021)
0.635(0.025)
0.381(0.015)
INDEX CORNER
RADIUS
1.91(0.075)
1.40(0.055)
X 45˚
2.54(0.100)
2.16(0.085)
DRAWING NO.
32L
0006M–PEEPR–12/09
10/21/03
REV.
B