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| Part Number | MM74HC148N | MM74HC138N | MM74HC147N |
|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor | National Semiconductor |
| Product Status | Active | Obsolete | Active |
| Type | Priority Encoder | Decoder/Demultiplexer | Priority Encoder |
| Circuit | 1 x 8:3 | 1 x 3:8 | 1 x 10:4 |
| Independent Circuits | 1 | 1 | 1 |
| Current - Output High, Low | 5.2mA, 5.2mA | 5.2mA, 5.2mA | 5.2mA, 5.2mA |
| Voltage Supply Source | Single Supply | Single Supply | Single Supply |
| Voltage - Supply | 2V ~ 6V | 2V ~ 6V | 2V ~ 6V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -55°C ~ 125°C |
| Mounting Type | Through Hole | Through Hole | - |
| Package / Case | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | - |
| Supplier Device Package | 16-PDIP | 16-PDIP | - |
