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The SN74LS251N is a single 8-input to 1-output multiplexer circuit from On Semiconductor. The IC selects one of eight data sources, providing a 1 x 8:1 circuit configuration. It operates from a nominal 5V supply with a recommended range of 4.75V to 5.25V, and specifies 2.6mA high-level and 8mA low-level output currents.
The device is rated for operation over 0°C to 70°C, suitable for commercial temperature applications. It is offered in a 16-pin PDIP package, which corresponds to a 16-DIP (0.300", 7.62mm) through-hole package. The standard carrier is a tube with a quantity of 25 units.
As a logic multiplexer, the SN74LS251N is appropriate for digital data routing, bus selection, and signal switching where one-of-eight channel selection is required. The through-hole DIP format supports conventional PCB assembly and prototyping.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.49 | $0.49 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
4.75V to 5.25V.
0°C to 70°C.
16-pin PDIP, also described as 16-DIP with 0.300 inch (7.62mm) width.
It is a single 8:1 multiplexer (1 x 8:1) with one independent circuit.
High-level output current is 2.6mA; low-level output current is 8mA.
It is supplied in tubes with a standard quantity of 25 units.