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| Part Number | SN74S257D | SN74S257N | SN74S157D |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Obsolete | Active | Obsolete |
| Type | Multiplexer | Multiplexer | Multiplexer |
| Circuit | 4 x 2:1 | 4 x 2:1 | 4 x 2:1 |
| Independent Circuits | 1 | 1 | 1 |
| Current - Output High, Low | 6.5mA, 20mA | 6.5mA, 20mA | 1mA, 20mA |
| Voltage Supply Source | Single Supply | Single Supply | Single Supply |
| Voltage - Supply | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 4.75V ~ 5.25V |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | Surface Mount | Through Hole | Surface Mount |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) | 16-DIP (0.300", 7.62mm) | 16-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 16-SOIC | 16-PDIP | 16-SOIC |
