1 |
74LS257 |
LOW POWER SCHOTTKY |
 ON Semiconductor |
 |
2 |
74LS257 |
3-STATE Quad 2-Data Selectors/Multiplexers |
 Fairchild Semiconductor |
 |
3 |
74LS257 |
Quadruple 2-line-to-1-line Data Selectors/Multiplexers |
 Hitachi Semiconductor |
 |
4 |
74LS257 |
TRI-STATE Quad 2-Data Selectors/Multiplexers |
 National Semiconductor |
 |
5 |
74LS257B |
3-STATE Quad 2-Data Selectors/Multiplexers |
 Fairchild Semiconductor |
 |
6 |
74LS257B |
Quad 2-Data Selectors/Multiplexers |
 National Semiconductor |
 |
7 |
74LS257B |
QUAD 2-INPUT MULTIPLEXER |
 Motorola |
 |
8 |
74LS257B |
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS |
 etcTI |
 |