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| Part Number | 74ACT138SC | 74ACT158SC | 74ACT138SJ | 74ACT138SCX | 74ACT139SC | 74AC138SC | 74ACT138PC |
|---|---|---|---|---|---|---|---|
| Manufacturer | onsemi | Fairchild Semiconductor | Fairchild Semiconductor | onsemi | onsemi | onsemi | Fairchild Semiconductor |
| Product Status | Active | Obsolete | Obsolete | Active | Obsolete | Active | Obsolete |
| Type | Decoder/Demultiplexer | Multiplexer | Decoder/Demultiplexer | Decoder/Demultiplexer | Decoder/Demultiplexer | Decoder/Demultiplexer | Decoder/Demultiplexer |
| Circuit | 1 x 3:8 | 4 x 2:1 | 1 x 3:8 | 1 x 3:8 | 1 x 2:4 | 1 x 3:8 | 1 x 3:8 |
| Independent Circuits | 1 | 1 | 1 | 1 | 2 | 1 | 1 |
| Current - Output High, Low | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA |
| Voltage Supply Source | Single Supply | Single Supply | 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 | 2V ~ 6V | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Through Hole |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.209", 5.30mm Width) | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | 16-DIP (0.300", 7.62mm) |
| Supplier Device Package | 16-SOIC | 16-SOIC | 16-SOP | 16-SOIC | 16-SOIC | 16-SOIC | 16-PDIP |
