W77C32_07 Datasheet, PDF (76/78 Pages) Winbond – 8-BIT MICROCONTROLLER

W77C32/W77C032A
19. PACKAGE DIMENSIONS
19.1 40-pin DIP
40
E1
1
S
A ^A2
L
D
21
B
e1
B1
20
E
A1 Base Plane
Seating Plane
a
eA
Dimension in incheDs imension in mm
Symbol
Min. Nom. Max. Min. Nom. Max.
A
0.210
5.334
A1 ^0.010
0.254
A2 ^{0.150 0.155 0.160 3.81 3.937 4.064}
B ^{0.016 0.018 0.022 0.406 0.457 0.559}
B1 ^{0.048 0.050 0.054 1.219 1.27 1.372}
c
0.008 0.010 0.014 0.203 0.254 0.356
D
2.055 2.070
52.20 52.58
E 0.590 0.600 ^0.610 14.986 ^{15.24 15.494}
E1 ^0.540 0.545 0.550 ^{13.72 13.84 13.97}
e1 ^{0.090 0.100 0.110 2.286 2.54 2.794}
L ^{0.120 0.130 0.140 3.048 3.302 3.556}
a
0
15 0
15
eA ^{0.630 0.650 0.670 16.00 16.51 17.01}
S
0.090
2.286
Notes:
1. Dimension D Max. & S include mold flas
c
tie bar burrs.
2. Dimension E1 does not include interlead f
3. Dimension D & E1 include mold mismatch
are determined at t.he mold parting lin
4. Dimension B1 does not include damb
protrusion/intrusion.
5. Controlling dimension: Inches
6. General appearance spec. should be base
final visual inspection spec.
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