W77C32 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 inches Dimension in mm
Symbol
Min. Nom. Max. Min. Nom. Max.
A
0.210
5.334
A 1 ^0.010
0.254
A 2 ^{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
B 1 ^{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
E 1 ^0.540 0.545 0.550 ^{13.72 13.84 13.97}
e 1 ^{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
e A ^{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 flash or
c
tie bar burrs.
2. Dimension E1 does not include interlead flash.
3. Dimension D & E1 include mold mismatch and
are determined at the mo.ld parting line.
4. Dimension B1 does not include dambar
protrusion/intrusion.
5. Controlling dimension: Inches.
6. General appearance spec. should be based on
final visual inspection spec.
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