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| Part Number | DM74LS138N | DM74S138N | DM74LS139N | DM74LS158N | DM74ALS138N | DM74LS138M |
|---|---|---|---|---|---|---|
| Manufacturer | onsemi | Fairchild Semiconductor | onsemi | onsemi | Fairchild Semiconductor | National Semiconductor |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Type | Decoder/Demultiplexer | Decoder/Demultiplexer | Decoder/Demultiplexer | Multiplexer | Decoder/Demultiplexer | Decoder/Demultiplexer |
| Circuit | 1 x 3:8 | 1 x 3:8 | 1 x 2:4 | 4 x 2:1 | 1 x 3:8 | 1 x 3:8 |
| Independent Circuits | 1 | 1 | 2 | 1 | 1 | 1 |
| Current - Output High, Low | 400µA, 8mA | 1mA, 20mA | 400µA, 8mA | 400µA, 8mA | 400µA, 8mA | 400µA, 8mA |
| Voltage Supply Source | Single Supply | 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 | 4.5V ~ 5.5V | 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 | 0°C ~ 70°C |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Surface Mount |
| Package / Case | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | 16-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 16-PDIP | 16-PDIP | 16-PDIP | 16-PDIP | 16-PDIP | 16-SOIC |
