參數資料
型號： SN54LS257B
廠商： Motorola, Inc.
英文描述： QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS
中文描述： 四2輸入多路復用器與三態(tài)輸出
文件頁數： 12/16頁
文件大?。?/td> 661K
代理商： SN54LS257B
MECHANICAL DATA
MLCC006B – OCTOBER 1996
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
FK (S-CQCC-N**)
LEADLESS CERAMIC CHIP CARRIER
4040140/D 10/96
28 TERMINAL SHOWN
B
0.358
(9,09)
MAX
(11,63)
0.560
(14,22)
0.560
(14,22)
0.458
0.858
(21,8)
1.063
(27,0)
A
NO. OF
TERMINALS
MIN
MAX
0.358
(9,09)
0.660
(16,76)
0.761
(19,32)
0.458
(11,63)
0.342
(8,69)
MIN
(11,23)
(16,26)
0.640
0.739
(18,78)
0.442
0.962
(24,43)
1.165
(29,59)
(23,83)
0.938
(28,99)
1.141
**
20
28
52
44
68
84
0.020 (0,51)
0.010 (0,25)
0.080 (2,03)
0.064 (1,63)
(7,80)
0.307
(10,31)
0.406
(12,58)
0.495
(12,58)
0.495
(21,6)
0.850
(26,6)
1.047
0.045 (1,14)
0.035 (0,89)
0.045 (1,14)
0.035 (0,89)
12
13
14
15
16
18
17
11
10
8
9
7
5
4
3
2
0.020 (0,51)
0.010 (0,25)
6
1
28
26
27
19
21
B SQ
A SQ
22
23
24
25
20
0.055 (1,40)
0.045 (1,14)
0.028 (0,71)
0.022 (0,54)
0.050 (1,27)
NOTES: A. All linear dimensions are in inches (millimeters).
B. This drawing is subject to change without notice.
C. This package can be hermetically sealed with a metal lid.
D. The terminals are gold plated.
E. Falls within JEDEC MS-004
相關PDF資料
PDF描述
SN54LS257J Octal Buffer/Line Driver, 3 State; Package: SOEIAJ-20; No of Pins: 20; Container: Tape and Reel; Qty per Container: 2000
SN54LS259BFK 8-BIT ADDRESSABLE LATCHES
SN54259 8-BIT ADDRESSABLE LATCHES
SN54259J 8-BIT ADDRESSABLE LATCHES
SN54259W 8-BIT ADDRESSABLE LATCHES
相關代理商/技術參數
參數描述
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SN54LS26J 制造商:Texas Instruments 功能描述: 制造商:Texas Instruments 功能描述:QUAD 2-INPUT NAND (HIGH VOLTAGE) - Rail/Tube 制造商:Texas Instruments 功能描述:NAND Gate 4-Element 2-IN Bipolar 14-Pin CDIP Tube 制造商:Texas Instruments 功能描述:LOGIC IC CMOS
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