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| Part Number | SN74LS138D | SN74LS138N | SN74LS148D | SN74LS158D | SN74LS139D | SN74LS138DR | SN74LS138M | SN74LS137D |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | onsemi | Texas Instruments | onsemi | Texas Instruments |
| Product Status | Active | Active | Active | Active | Active | Active | Active | Active |
| Type | Decoder/Demultiplexer | Decoder/Demultiplexer | Priority Encoder | Multiplexer | - | Decoder/Demultiplexer | - | - |
| Circuit | 1 x 3:8 | 1 x 3:8 | 1 x 8:3 | 4 x 2:1 | - | 1 x 3:8 | - | - |
| Independent Circuits | 1 | 1 | 1 | 1 | - | 1 | - | - |
| Current - Output High, Low | 400µA, 8mA | 400µA, 8mA | 400µA, 8mA | 400µA, 8mA | - | 400µA, 8mA | - | - |
| Voltage Supply Source | Single Supply | Single Supply | Single Supply | Single Supply | - | Single Supply | - | - |
| Voltage - Supply | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 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 | 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 | - | - |
