W78E054D Datasheet, PDF (83/89 Pages) List of Unclassifed Manufacturers – 8-bit microcontroller

23 PACKAGE DIMENSIONS
23.1 40-pin DIP
D
40
W78E054D/W78E052D Data Sheet
21
1
E
1
S
2
AA
L
B
e1
B1
20
1
A
Base Plane
Seating Plane
E
c
α
eA
Symbol
A
Dimension in inch
Min Nom Max
0.210
Dimension in mm
Min Nom Max
5.33
A1 ^0.010
0.25
A2 0.150 ^{0.155 0.160} 3.81 3.94 4.06
B ^{0.016 0.018 0.022 0.41 0.46 0.56}
B1 ^{0.048 0.050 0.054 1.22 1.27 1.37}
c
0.008 0.010 0.014 0.20 0.25 0.36
D
2.055 2.070
52.20 52.58
E ^{0.590 0.600 0.610 14.99 15.24 15.49}
E1 ^{0.540 0.545} 0.550 ^{13.72 13.84 13.97}
e 1 0.090 0.100 0.110 2.29 2.54 2.79
L 0.120 0.130 ^{0.140 3.05 3.30} 3.56
α
0
15 0
15
e A 0.630 0.650 0.670 16.00 16.51 17.02
S
0.090
2.29
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Publication Release Date: Jun 9, 2015
Revision A13