Preliminary W78E378/W78C378/W78C374
Package Dimensions, continued
44-pin PLCC
D
H
D
6
1
44
40
Dimension in inches
Dimension in mm
Symbol
Max. Min. Nom.
Min. Nom.
Max.
4.70
0.185
0.51
7
39
A
0.020
1
A
0.145 0.150
0.026 0.028
0.016 0.018
3.68 3.81 3.94
0.155
A
b
b
c
2
1
0.032 0.66
0.81
0.56
0.36
0.71
0.022
0.41 0.46
E
H
E
E
0.008 0.010 0.014 0.20 0.25
G
16.46 16.59 16.71
16.46 16.59 16.71
0.648 0.653 0.658
0.648 0.653 0.658
D
E
e
BSC
1.27 BSC
0.050
0.590
0.590
0.680
0.680
0.090
14.99 15.49 16.00
14.99 15.49 16.00
D
E
D
E
0.610 0.630
0.610 0.630
G
G
H
H
L
17
29
17.27
17.27
0.700
0.700
17.53 17.78
17.53 17.78
0.690
0.690
0.100
18
28
c
2.54
0.110 2.29
0.004
2.79
0.10
y
Notes:
L
2
1. Dimension D & E do not include interlead flash.
A
A
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.
q
e
b
b1
1
A
Seating Plane
y
G D
Winbond Electronics (H.K.) Ltd.
Winbond Electronics North America Corp.
Headquarters
Rm. 803, World Trade Square, Tower II, Winbond Memory Lab.
123 Hoi Bun Rd., Kwun Tong,
No. 4, Creation Rd. III,
Science-Based Industrial Park,
Hsinchu, Taiwan
TEL: 886-3-5770066
FAX: 886-3-5792766
Winbond Microelectronics Corp.
Kowloon, Hong Kong
TEL: 852-27513100
FAX: 852-27552064
Winbond Systems Lab.
2727 N. First Street, San Jose,
CA 95134, U.S.A.
http://www.winbond.com.tw/
TEL: 408-9436666
FAX: 408-5441798
Voice & Fax-on-demand: 886-2-27197006
Taipei Office
11F, No. 115, Sec. 3, Min-Sheng East Rd.,
Taipei, Taiwan
TEL: 886-2-27190505
FAX: 886-2-27197502
Note: All data and specifications are subject to change without notice.
- 38 -
WINBOND [ WINBOND ]
