| Part Number | SN74HC251NS | SN74HC251N | 
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | 
| Category | Logic - Signal Switches, Multiplexers, Decoders | Logic - Signal Switches, Multiplexers, Decoders | 
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| Product Status | Active | Active | 
| Type | Multiplexer | Multiplexer | 
| Circuit | 1 x 8:1 | 1 x 8:1 | 
| Independent Circuits | 1 | 1 | 
| Current - Output High, Low | 7.8mA, 7.8mA | 7.8mA, 7.8mA | 
| Voltage Supply Source | Single Supply | Single Supply | 
| Voltage - Supply | 2V ~ 6V | 2V ~ 6V | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | 
| Mounting Type | Surface Mount | Through Hole | 
| Package / Case | 16-SOIC (0.209", 5.30mm Width) | 16-DIP (0.300", 7.62mm) | 
| Supplier Device Package | 16-SO | 16-PDIP |