| Part Number | 74F138SJ | 74F148SJ | 
|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor | 
| Category | Logic - Signal Switches, Multiplexers, Decoders | Logic - Signal Switches, Multiplexers, Decoders | 
|   |   | |
| Product Status | Obsolete | Active | 
| Type | Decoder/Demultiplexer | Priority Encoder | 
| Circuit | 1 x 3:8 | 1 x 8:3 | 
| Independent Circuits | 1 | 1 | 
| Current - Output High, Low | 1mA, 20mA | 1mA, 20mA | 
| Voltage Supply Source | Single Supply | Single Supply | 
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 16-SOIC (0.209", 5.30mm Width) | 16-SOIC (0.209", 5.30mm Width) | 
| Supplier Device Package | 16-SOP | 16-SOP |