AT27C256R-12PI Atmel, AT27C256R-12PI Datasheet - Page 12

• Manufacturer Part Number: AT27C256R-12PI
• Description: IC OTP 256KBIT 120NS 28DIP
• Manufacturer: Atmel

Specifications of AT27C256R-12PI

• Format - Memory: EPROMs
• Memory Type: OTP EPROM
• Memory Size: 256K (32K x 8)
• Speed: 120ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-DIP (0.600", 15.24mm)
• Organization: 32Kx8
• Interface Type: Parallel
• In System Programmable: External
• Access Time (max): 120ns
• Package Type: PDIP
• Reprogramming Technique: OTP
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Supply Current: 20mA
• Pin Count: 28
• Mounting: Through Hole
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: AT27C256R12PI

20.2
12
SEATING PLANE
Notes:
28P6 – PDIP
AT27C256R
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
MAX
28P6
–
0014M–EPROM–12/07
Note 2
Note 2
NOTE
09/28/01
REV.
B