AM27C256-120DCB AMD [Advanced Micro Devices], AM27C256-120DCB Datasheet - Page 11

• Manufacturer Part Number: AM27C256-120DCB
• Description: 256 Kilobit (32 K x 8-Bit) CMOS EPRO
• Manufacturer: AMD [Advanced Micro Devices]

PHYSICAL DIMENSIONS*
CDV028—28-Pin Ceramic Dual In-Line Package, UV Lens (measured in inches)
* For reference only. BSC is an ANSI standard for Basic Space Centering.
PD 028—28-Pin Plastic Dual In-Line Package (measured in inches)
CENTER PLANE
SEATING PLANE
TERMINAL NO. 1
.120
.160
BASE PLANE
DATUM D
.140
.225
28
INDEX AND
I.D. AREA
.005 MIN
Pin 1 I.D.
.090
.110
.045
.065
.045
.065
1.440
1.480
1
.005 MIN
.014
.026
1.435
1.490
.014
.022
SIDE VIEW
TOP VIEW
14
15
.100 BSC
.530
.580
UV Lens
.015
.060
Am27C256
.015
.060
SEATING PLANE
.125
.200
.565
.605
.160
.220
CENTER PLANE
10
0
DATUM D
.300 BSC
.630
.700
.600
.625
16-038-SB-AG
PD 028
DG75
7-13-95 ae
END VIEW
BSC
.600
MAX
.700
105
94
16-000038H-3
CDV028
DF10
3-30-95 ae
.008
.015
.008
.018
11