| Manufacturer | Part Number | Description |
|---|---|---|
Fairchild (now onsemi) |
DM74S257 | 3-STATE Quad 1-of-2 Data Selector/Multiplexer |
National Semiconductor (now Texas Instruments) |
DM74S258 | (DM74S257 / DM74S258) TRI-STATE QUAD 1 OF 2 DATA SELECTORS / MULTIPLEXERS |
|
National Semiconductor (now Texas Instruments) |
DM74S257 | (DM74S257 / DM74S258) TRI-STATE QUAD 1 OF 2 DATA SELECTORS / MULTIPLEXERS |
