| No. |
Part Name |
Description |
Manufacturer |
| 1 |
74ALS257N |
Data selector/multiplexer |
Philips |
| 2 |
DL257D |
Four 2 on 1 multiplexers (TTL low-power Schottky series), possibly equivalent SN74LS257N |
RFT |
| 3 |
DM74ALS257N |
3-STATE Quad 1-of-2 Line Data Selector/Multiplexer |
Fairchild Semiconductor |
| 4 |
DM74AS257N |
3-STATE Quad 1 of 2 Line Data Selectors/Multiplexers |
Fairchild Semiconductor |
| 5 |
DM74S257N |
3-STATE Quad 1-of-2 Data Selector/Multiplexer |
Fairchild Semiconductor |
| 6 |
DM74S257N |
3-STATE Quad 1-of-2 Data Selector/Multiplexer |
Fairchild Semiconductor |
| 7 |
DM74S257N |
7 V, TRI-STATE quad 1 of 2 data selector/multiplexer |
National Semiconductor |
| 8 |
N74ALS257N |
Data selector/multiplexer |
Philips |
| 9 |
SN74AS257N |
Quadruple 2-Line to 1-Line Data Selectors/Multiplexers With 3-State Outputs |
Texas Instruments |
| 10 |
SN74AS257NSR |
Quadruple 2-Line to 1-Line Data Selectors/Multiplexers With 3-State Outputs |
Texas Instruments |
| 11 |
SN74LS257N |
QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS |
Motorola |
| 12 |
SN74S257N |
Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs |
Texas Instruments |
| 13 |
SN74S257N3 |
Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs |
Texas Instruments |
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