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| Part Number | SN74AS138DR | SN74AS158DR | SN74AS138D |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Discontinued at Digi-Key | Obsolete | Active |
| Type | Decoder/Demultiplexer | Multiplexer | Decoder/Demultiplexer |
| Circuit | 1 x 3:8 | 4 x 2:1 | 1 x 3:8 |
| Independent Circuits | 1 | 1 | 1 |
| Current - Output High, Low | 400µA, 8mA | 400µA, 8mA | 400µA, 8mA |
| Voltage Supply Source | Single Supply | Single Supply | Single Supply |
| Voltage - Supply | 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 |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 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-SOIC | 16-SOIC |
