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| Part Number | SN74ALS257AD | SN74ALS257AN | SN74ALS257ADR | SN74ALS258AD | SN74ALS157AD |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active | Obsolete | Active |
| Type | Multiplexer | Multiplexer | Multiplexer | Multiplexer | Multiplexer |
| Circuit | 4 x 2:1 | 4 x 2:1 | 4 x 2:1 | 4 x 2:1 | 4 x 2:1 |
| Independent Circuits | 1 | 1 | 1 | 1 | 1 |
| Current - Output High, Low | 2.6mA, 24mA | 2.6mA, 24mA | 2.6mA, 24mA | 2.6mA, 24mA | 400µA, 8mA |
| Voltage Supply Source | Single Supply | Single Supply | Single Supply | Single Supply | Single Supply |
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | Surface Mount | Through Hole | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) | 16-DIP (0.300", 7.62mm) | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 16-SOIC | 16-PDIP | 16-SOIC | 16-SOIC | 16-SOIC |
