AT28C256-25PC Atmel, AT28C256-25PC Datasheet - Page 24

• Manufacturer Part Number: AT28C256-25PC
• Manufacturer: Atmel

Specifications of AT28C256-25PC

• Density: 256Kb
• Interface Type: Parallel
• Organization: 32Kx8
• Access Time (max): 250ns
• Write Protection: Yes
• Data Retention: 10Year
• Operating Supply Voltage (typ): 5V
• Package Type: PDIP
• Operating Temp Range: 0C to 70C
• Supply Current: 50mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Commercial
• Mounting: Through Hole
• Pin Count: 28
• Lead Free Status / Rohs Status: Not Compliant

29.6
24
28S – SOIC
AT28C256
R
2325 Orchard Parkway
San Jose, CA 95131
Dimensions in Millimeters and (Inches).
Controlling dimension: Millimeters.
TITLE
28S, 28-lead, 0.300" Body, Plastic Gull Wing Small Outline (SOIC)
JEDEC Standard MS-013
PIN 1
0.33(0.013)
0.51(0.020)
17.70(0.6969)
18.10(0.7125)
0º ~ 8º
TOP VIEW
0.30(0.0118)
0.10(0.0040)
1.27(0.50) BSC
1.27(0.050)
0.40(0.016)
7.60(0.2992)
7.40(0.2914)
SIDE VIEWS
10.65(0.419)
10.00(0.394)
2.65(0.1043)
2.35(0.0926)
0.32(0.0125)
0.23(0.0091)
DRAWING NO.
28S
0006K–PEEPR–01/08
8/4/03
REV.
B