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參數(shù)資料
| 型號(hào)： | SN74LS257 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS |
| 中文描述： | 四2線1線數(shù)據(jù)選擇器/多路復(fù)用器 |
| 文件頁數(shù)： | 12/16頁 |
| 文件大?。?/td> | 661K |
| 代理商： | SN74LS257 |
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(guān)PDF資料 |
PDF描述 |
|---|---|
| SN54LS257BFK | QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS |
| SN74S257D | QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS |
| SN74S257DE4 | QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS |
| SN74S258D | QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS |
| SN54S257FK | QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN74LS257AJD | 制造商:Motorola Inc 功能描述:LOGIC MUX, QUAD, 2-INPUT, LS-TTL, 16 Pin, Ceramic, DIP |
| SN74LS257AJDS | 制造商:Motorola Inc 功能描述:LOGIC MUX, QUAD, 2-INPUT, LS-TTL, 16 Pin, Ceramic, DIP |
| SN74LS257AN | 制造商:Motorola Inc 功能描述: 制造商:Motorola Inc 功能描述:LOGIC MUX, QUAD, 2-INPUT, LS-TTL, 16 Pin, Plastic, DIP 制造商:Texas Instruments 功能描述:LOGIC MUX, QUAD, 2-INPUT, LS-TTL, 16 Pin, Plastic, DIP |
| SN74LS257AN89 | 制造商:Motorola 功能描述:74LS257N |
| SN74LS257AND | 制造商:Motorola Inc 功能描述:LOGIC MUX, QUAD, 2-INPUT, LS-TTL, 16 Pin, Plastic, DIP |
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