The ′F257 is designed to multiplex signals from 4-bit data sources to 4-output data lines in bus-organized systems.
The 3-state outputs will not load the data lines when the output enable (OE) input is at a high logic level.
SN54F257 .
| Part number | 74F257 |
|---|---|
| Manufacturer | Texas Instruments |
| File Size | 681.90 KB |
| Description | Quadruple 2-Line To 1-Line Data Selectors/Multiplexers |
| Datasheet |
 74F257 Datasheet
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| Part Number | Description | Manufacturer |
|---|---|---|
| 74F257A | Quad 2-Input Multiplexer | National Semiconductor |
| 74F257A | Quad 2-lnput selector/multiplexer | Philips |
| 74F257A | Quad 2-Input Multiplexer | Fairchild |
| 74F251A | 8-Input Multiplexer | National Semiconductor |
| 74F251A | 8-input multiplexer | Philips |
| Part Number | Description |
|---|---|
| 74F253 | Dual 1-of-4 Data Selector/Multiplexers |
| 74F20 | DUAL 4-INPUT POSITIVE-NAND GATES |
| 74F2244 | Octal Buffer/Driver |
| 74F241 | Octal Buffers/Line Drivers |
| 74F243 | QUADRUPLE BUS TRANSCEIVERS |
The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.
