| Part Number | SN74LS145DG4 | SN74LS148DG4 | 
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | 
| Category | Logic - Signal Switches, Multiplexers, Decoders | Logic - Signal Switches, Multiplexers, Decoders | 
|   |   | |
| Product Status | Discontinued at Digi-Key | Discontinued at Digi-Key | 
| Type | Decoder | Priority Encoder | 
| Circuit | 1 x 4:10 | 1 x 8:3 | 
| Independent Circuits | 1 | 1 | 
| Current - Output High, Low | -, 80mA | 400µA, 8mA | 
| Voltage Supply Source | Single Supply | Single Supply | 
| Voltage - Supply | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | 
| Supplier Device Package | 16-SOIC | 16-SOIC |