AT28C256-25PC Atmel, AT28C256-25PC Datasheet - Page 23

• 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

29.5
0006K–PEEPR–01/08
SEATING PLANE
Notes:
28P6 – PDIP
R
2325 Orchard Parkway
San Jose, CA 95131
1. This package conforms to JEDEC reference MS-011, Variation AB.
2. Dimensions D and E1 do not include mold Flash or Protrusion.
A
Mold Flash or Protrusion shall not exceed 0.25 mm (0.010").
L
e
C
TITLE
28P6, 28-lead (0.600"/15.24 mm Wide) Plastic Dual
Inline Package (PDIP)
eB
E
D
B1
0º ~ 15º
PIN
1
REF
B
A1
E1
SYMBOL
A
A1
D
E
E1
B
B1
L
C
eB
e
36.703
15.240
13.462
15.494
0.381
0.356
1.041
3.048
0.203
COMMON DIMENSIONS
MIN
(Unit of Measure = mm)
–
2.540 TYP
NOM
–
–
–
–
–
–
–
–
–
–
DRAWING NO.
37.338
15.875
13.970
17.526
4.826
0.559
1.651
3.556
0.381
AT28C256
MAX
28P6
–
Note 2
Note 2
NOTE
09/28/01
REV.
B
23