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| Part Number | SN74HC148DE4 | SN74HC148DRE4 | SN74HC148DG4 | SN74HC138DE4 | 
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | 
| Product Status | Discontinued at Digi-Key | Discontinued at Digi-Key | Discontinued at Digi-Key | Discontinued at Digi-Key | 
| Type | Priority Encoder | Priority Encoder | Priority Encoder | Decoder/Demultiplexer | 
| Circuit | 1 x 8:3 | 1 x 8:3 | 1 x 8:3 | 1 x 3:8 | 
| Independent Circuits | 1 | 1 | 1 | 1 | 
| Current - Output High, Low | 5.2mA, 5.2mA | 5.2mA, 5.2mA | 5.2mA, 5.2mA | 5.2mA, 5.2mA | 
| Voltage Supply Source | Single Supply | Single Supply | Single Supply | Single Supply | 
| Voltage - Supply | 2V ~ 6V | 2V ~ 6V | 2V ~ 6V | 2V ~ 6V | 
| Operating Temperature | -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 | 
| Package / Case | 16-SOIC (0.154", 3.90mm Width) | 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 | 16-SOIC |