w78c31b Winbond Electronics Corp America, w78c31b Datasheet - Page 14

• Manufacturer Part Number: w78c31b
• Description: 8-bit Microcontroller
• Manufacturer: Winbond Electronics Corp America

Package Dimensions, continued
44-pin TQFP
11
1
Note: All data and specifications are subject to change without notice.
Headquarters
No. 4, Creation Rd. III,
Science-Based Industrial Park,
Hsinchu, Taiwan
TEL: [phone]
FAX: [phone]
http://www.winbond.com.tw/
Voice & Fax-on-demand: 886-2-7197006
Taipei Office
11F, No. 115, Sec. 3, Min-Sheng East Rd.,
Taipei, Taiwan
TEL: [phone]
FAX: [phone]
Seating Plane
12
44
See Detail F
e
H
D
D
b
22
34
y
33
E
A
A
2
1
H
E
A
Winbond Electronics (H.K.) Ltd.
Rm. 803, World Trade Square, Tower II,
123 Hoi Bun Rd., Kwun Tong,
Kowloon, Hong Kong
TEL: [phone]
FAX: [phone]
L
c
L
1
- 14 -
Detail F
Winbond Electronics North America Corp.
Winbond Memory Lab.
Winbond Microelectronics Corp.
Winbond Systems Lab.
2727 N. First Street, San Jose,
CA 95134, U.S.A.
TEL: [phone]
FAX: [phone]
Notes:
Symbol
1. Dimension D & E do not include interlead
2. Dimension b does not include dambar
3. Controlling dimension: Millimeter
4. General appearance spec. should be based
A
A
A
c
D
E
H
H
L
flash.
protrusion/intrusion.
on final visual inspection spec.
b
e
L
y
1
1
2
E
D
0.002
0.037
0.0039
0.004
0.390
0.390
0.025
0.468
0.468
0.018
Dimension in inch
Min.
---
---
0
Nom.
0.039
0.013
0.394
0.394
0.031
0.472
0.472
0.024
0.039
0.004
---
---
0.041
0.015
0.008
0.398
0.398
0.036
0.476
0.476
0.030
0.003
Max.
0.006
0.047
---
7
W78C31B
11.90
Dimension in mm
0.05
0.95
0.22
0.090
9.9
0.635
11.90
9.9
Min.
0.45
---
---
0
Nom.
10.00
1.00
10.00
0.10
0.32
12.00
12.00
0.80
1.00
---
0.60
---
12.10
1.05
0.38
12.10
Max.
1.20
0.200
0.952
0.15
10.1
10.1
0.75
0.08
---
7