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| Part Number | MM74HCT138N | MM74HCT158N | MM74HC138N | MM74HCT138M |
|---|---|---|---|---|
| Manufacturer | onsemi | National Semiconductor | Fairchild Semiconductor | Fairchild Semiconductor |
| Product Status | Obsolete | Active | Obsolete | Active |
| Type | Decoder/Demultiplexer | Multiplexer | Decoder/Demultiplexer | Decoder/Demultiplexer |
| Circuit | 1 x 3:8 | 4 x 2:1 | 1 x 3:8 | 1 x 3:8 |
| Independent Circuits | 1 | 1 | 1 | 1 |
| Current - Output High, Low | 4.8mA, 4.8mA | 4mA, 4mA | 5.2mA, 5.2mA | 4.8mA, 4.8mA |
| Voltage Supply Source | Single Supply | Single Supply | Single Supply | Single Supply |
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 2V ~ 6V | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C | -55°C ~ 125°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | 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-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 16-PDIP | 16-PDIP | 16-PDIP | 16-SOIC |
