Rainbow Electronics AT27C256R - Manual (Page 11)

AT27C256R
11
Packaging Information
.045(1.14) X 45° PIN NO. 1
IDENTIFY
.025(.635) X 30° - 45°
.012(.305)
.008(.203)
.021(.533)
.013(.330)
.530(13.5)
.490(12.4)
.030(.762)
.015(3.81)
.095(2.41)
.060(1.52)
.140(3.56)
.120(3.05)
.032(.813)
.026(.660)
.050(1.27) TYP
.553(14.0)
.547(13.9)
.595(15.1)
.585(14.9)
.300(7.62) REF
.430(10.9)
.390(9.90)
AT CONTACT
POINTS
.022(.559) X 45° MAX (3X)
.453(11.5)
.447(11.4)
.495(12.6)
.485(12.3)
1.47(37.3)
1.44(36.6)
PIN
1
.566(14.4)
.530(13.5)
.090(2.29)
MAX
.005(.127)
MIN
.065(1.65)
.015(.381)
.022(.559)
.014(.356)
.065(1.65)
.041(1.04)
0
15
REF
.630(16.0)
.590(15.0)
.690(17.5)
.610(15.5)
.012(.305)
.008(.203)
.110(2.79)
.090(2.29)
.161(4.09)
.125(3.18)
SEATING
PLANE
.220(5.59)
MAX
1.300(33.02) REF
*Controlling dimension: millimeters
INDEX
MARK
AREA
0.55 (0.022)
BSC
0.20 (0.008)
0.10 (0.004)
7.15 (0.281)
REF
8.10 (0.319)
7.90 (0.311) 1.25 (0.049)
1.05 (0.041)
0.27 (0.011)
0.18 (0.007)
11.9 (0.469)
11.7 (0.461) 13.7 (0.539)
13.1 (0.516)
0
5
0.20 (0.008)
0.15 (0.006) REF
0.70 (0.028)
0.30 (0.012)
32J, 32-Lead, Plastic J-Leaded Chip Carrier (PLCC)
Dimensions in Inches and (Millimeters)
JEDEC STANDARD MS-016 AE
28P6, 28-Lead, 0.600" Wide, Plastic Dual Inline
Package (PDIP)
Dimensions in Inches and (Millimeters)
JEDEC STANDARD MS-011 AB
28R, 28-Lead, 0.330" Wide, Plastic Gull Wing Small
Outline (SOIC)
Dimensions in Inches and (Millimeters) 28T, 28-Lead, Plastic Thin Small Outline Package
(TSOP)
Dimensions in Millimeters and (Inches)*