W24L257A Datasheet, PDF (9/9 Pages) Winbond – 32K X 8 High Speed CMOS Static RAM

W24L257A
Package Dimensions, continued
28-pin Standard Type One TSOP
HD
D
1
e
b
θ
L
L1
c
E
A
A1 _A2
Y
Symbol
A
A1
A2
b
c
D
E
HD
e
L
L1
Y
θ
Dimension In Inches
Dimension In mm
Min. Nom. Max. Min. Nom. Max.
0.047
0.002
0.035
0.007
0.004
0.461
0.311
0.006
0.040 0.041
0.008 0.011
0.006 0.008
0.465 0.469
0.315 0.319
0.520 0.528 0.536
0.020
0.000
0.022
0.024
0.010
0.028
0.004
0
3
5
0.05
0.95
0.17
0.10
11.70
7.90
13.20
0.50
0.00
0
1.20
0.15
1.00 1.05
0.20 0.27
0.15 0.21
11.80 11.90
8.00 8.10
13.40 13.60
0.55
0.60
0.25
0.70
0.10
3
5
Controlling dimension: Millimeters
Headquarters
Winbond Electronics (H.K.) Ltd.
No. 4, Creation Rd. III,
Science-Based Industrial Park,
Hsinchu, Taiwan
TEL: [phone]
FAX: [phone]
Rm. 803, World Trade Square, Tower II,
123 Hoi Bun Rd., Kwun Tong,
Kowloon, Hong Kong
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]
Winbond Electronics North America Corp.
Winbond Memory Lab.
Winbond Microelectronics Corp.
Winbond Systems Lab.
2730 Orchard Parkway, San Jose,
CA 95134, U.S.A.
TEL: [phone]
FAX: [phone]
Note: All data and specifications are subject to change without notice.
Publication Release Date: December 1996
-9-
Revision A5