AT28C64B-20 ATMEL [ATMEL Corporation], AT28C64B-20 Datasheet - Page 12

• Manufacturer Part Number: AT28C64B-20
• Description: 64K (8K x 8) CMOS E2PROM with Page Write and Software Data Protection
• Manufacturer: ATMEL [ATMEL Corporation]

Packaging Information
12
32J, 32-lead, Plastic J-leaded Chip Carrier (PLCC)
Dimensions in Inches and (Millimeters)
JEDEC STANDARD MS-016 AE
28S, 28-lead, 0.300" Wide, Plastic Gull Wing Small
Outline (SOIC)
Dimensions in Inches and (Millimeters)
.050(1.27) TYP
.026(.660)
.032(.813)
.045(1.14) X 45˚
.453(11.5)
.447(11.4)
.495(12.6)
.485(12.3)
PIN NO. 1
IDENTIFY
AT28C64B
.300(7.62) REF
.430(10.9)
.390(9.90)
.553(14.0)
.547(13.9)
AT CONTACT
POINTS
.022(.559) X 45˚ MAX (3X)
.595(15.1)
.585(14.9)
.025(.635) X 30˚ - 45˚
.021(.533)
.013(.330)
.140(3.56)
.120(3.05)
.012(.305)
.008(.203)
.030(.762)
.015(.381)
.095(2.41)
.060(1.52)
.530(13.5)
.490(12.4)
28P6, 28-lead, 0.600" Wide, Plastic Dual Inline
Package (PDIP)
Dimensions in Inches and (Millimeters)
JEDEC STANDARD MS-011 AB
28T, 28-lead, Plastic Thin Small Outline Package
(TSOP)
Dimensions in Millimeters and (Inches)*
SEATING
PLANE
.220(5.59)
0
5
0.55 (0.022)
.161(4.09)
.125(3.18)
REF
MAX
INDEX
MARK
.110(2.79)
.090(2.29)
AREA
.012(.305)
.008(.203)
BSC
7.15 (0.281)
8.10 (0.319)
7.90 (0.311)
REF
1.300(33.02) REF
0.20 (0.008)
0.10 (0.004)
0.70 (0.028)
0.30 (0.012)
.630(16.0)
.590(15.0)
1.47(37.3)
1.44(36.6)
.690(17.5)
.610(15.5)
.041(1.04)
.065(1.65)
0.27 (0.011)
0.18 (0.007)
11.9 (0.469)
11.7 (0.461)
15
0
REF
PIN
1
1.25 (0.049)
1.05 (0.041)
13.7 (0.539)
13.1 (0.516)
0.20 (0.008)
0.15 (0.006)
.022(.559)
.014(.356)
.566(14.4)
.530(13.5)
.090(2.29)
.005(.127)
.065(1.65)
.015(.381)
MAX
MIN