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Technical Specifications
Parameters and characteristics for this part
| Specification | SN74ALS251NSR |
|---|---|
| Circuit [custom] | 8:1 |
| Circuit [custom] | 1 |
| Current - Output High, Low [custom] | 24 mA |
| Current - Output High, Low [custom] | 2.6 mA |
| Independent Circuits | 1 |
| Mounting Type | Surface Mount |
| Operating Temperature [Max] | 70 °C |
| Operating Temperature [Min] | 0 °C |
| Package / Case | 0.209 " |
| Package / Case | 16-SOIC |
| Package / Case | 5.3 mm |
| Supplier Device Package | 16-SO |
| Type | Multiplexer |
| Voltage - Supply [Max] | 5.5 V |
| Voltage - Supply [Min] | 4.5 V |
| Voltage Supply Source | Single Supply |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Tape & Reel (TR) | 2000 | $ 0.68 | |
| 6000 | $ 0.64 | |||
| 10000 | $ 0.62 | |||
Description
General part information
SN74ALS251 Series
These data selectors/multiplexers contain full binary decoding to select one-of-eight data sources and feature controlled complementary 3-state outputs.
The 3-state outputs can interface with and drive data lines of bus-organized systems. With all but one of the common outputs disabled (at the high-impedance state), the low impedance of the signal-enabled output drives the bus line to a high or low logic level. Both outputs are controlled by the output-enable (OE\) input. The outputs are disabled whenis high.
The SN54ALS251 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ALS251 is characterized for operation from 0°C to 70°C.
Documents
Technical documentation and resources
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