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W78IE52 Datasheet, PDF (21/22 Pages) Winbond – 8 BIT MICROCONTROLLER
Preliminary W78IE52
Package Dimensions, continued
44-pin PLCC
6
7
HD
D
1 44
40
39
E
HE
17
18
29
28
L
θ
Seating Plane
e
b
b1
GD
A2 A
A1
y
GE
c
Symbol
A
A1
A2
b1
b
c
D
E
e
GD
GE
HD
HE
L
y
Dimension in inch Dimension in mm
Min. Nom. Max. Min. Nom. Max.
0.185
4.699
0.020
0.508
0.145 0.150 0.155 3.683 3.81 3.937
0.026 0.028 0.032 0.66 0.711 0.813
0.016 0.018 0.022 0.406 0.457 0.559
0.008 0.010 0.014 0.203 0.254 0.356
0.648 0.653 0.658 16.46 16.59 16.71
0.648 0.653 0.658 16.46 16.59 16.71
0.050 BSC
1.27 BSC
0.590 0.610 0.630 14.99 15.49 16.00
0.590 0.610 0.630 14.99 15.49 16.00
0.680 0.690 0.700 17.27 17.53 17.78
0.680 0.690 0.700 17.27 17.53 17.78
0.090 0.100 0.110 2.296 2.54 2.794
0.004
0.10
Notes:
1. Dimension D & E do not include interlead
flash.
2. Dimension b1 does not include dambar
protrusion/intrusion.
3. Controlling dimension: Inches
4. General appearance spec. should be based
on final visual inspection spec.
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Publication Release Date: April 20, 2005
Revision A2