No. |
Part Name |
Description |
Manufacturer |
1 |
74LS257 |
Quad 2-Input Multiplexer (With 3-State Outputs) |
Fairchild Semiconductor |
2 |
74LS257 |
3-STATE Quad 2-Data Selectors/Multiplexers |
Fairchild Semiconductor |
3 |
74LS257 |
Quadruple 2-line-to-1-line Data Selectors/Multiplexers(with non inverted 3-state outputs) |
Hitachi Semiconductor |
4 |
74LS257 |
Quad Data Selectors/Multiplexers (noninverted 3-state outputs) |
IPRS Baneasa |
5 |
74LS257 |
TRI-STATE Quad 2-Data Selectors/Multiplexers |
National Semiconductor |
6 |
74LS257 |
LOW POWER SCHOTTKY |
ON Semiconductor |
7 |
74LS257 |
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS |
Texas Instruments |
8 |
74LS257A |
QUAD 2-Input multiplexer (With 3-State Outputs) |
Fairchild Semiconductor |
9 |
DL257D |
Four 2 on 1 multiplexers (TTL low-power Schottky series), possibly equivalent SN74LS257N |
RFT |
10 |
DM74LS257 |
3-STATE Quad 2-Data Selectors/Multiplexers |
Fairchild Semiconductor |
11 |
DM74LS257 |
TRI-STATE Quad 2-Data Selectors/Multiplexers |
National Semiconductor |
12 |
DM74LS257B |
3-STATE Quad 2-Data Selectors/Multiplexers |
Fairchild Semiconductor |
13 |
DM74LS257B |
Quad TRI-STATE 2-to-1 Line Data Selector/Multiplexer |
National Semiconductor |
14 |
DM74LS257BCW |
3-STATE Quad 2-Data Selector/Multiplexer |
Fairchild Semiconductor |
15 |
DM74LS257BM |
3-STATE Quad 2-Data Selectors/Multiplexers |
Fairchild Semiconductor |
16 |
DM74LS257BM |
TRI-STATE Quad 2-Data Selectors/Multiplexers |
National Semiconductor |
17 |
DM74LS257BMX |
3-STATE Quad 2-Data Selector/Multiplexer |
Fairchild Semiconductor |
18 |
DM74LS257BN |
3-STATE Quad 2-Data Selectors/Multiplexers |
Fairchild Semiconductor |
19 |
DM74LS257BN |
TRI-STATE Quad 2-Data Selectors/Multiplexers |
National Semiconductor |
20 |
HD74LS257 |
Quad. 2 line-to-1 line Data Selectors/Multiplexers with noninverted 3-state outputs |
Hitachi Semiconductor |
21 |
HD74LS257 |
Quad 2-line to 1-line Data Selectors/Multiplexers |
Hitachi Semiconductor |
22 |
SN74LS257 |
LOW POWER SCHOTTKY |
ON Semiconductor |
23 |
SN74LS257 |
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS |
Texas Instruments |
24 |
SN74LS257A |
Quad 2-Input multiplexer with 3-state outputs |
Motorola |
25 |
SN74LS257AN |
Quad 2-Input multiplexer with 3-state outputs |
Motorola |
26 |
SN74LS257B |
LOW POWER SCHOTTKY |
ON Semiconductor |
27 |
SN74LS257B |
Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs |
Texas Instruments |
28 |
SN74LS257B-D |
Quad 2-Input Multiplexer with 3-State Outputs |
ON Semiconductor |
29 |
SN74LS257BD |
Quad 2-input multiplexer with 3-state outputs |
Motorola |
30 |
SN74LS257BD |
LOW POWER SCHOTTKY |
ON Semiconductor |
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