← All parts
74LS148 8-to-3 Encoder
74LS148
Texas Instrumentsic logic
The SN54LS148 is an 8-line to 3-line priority encoder, converting binary-coded decimal data into a three-bit output. It's used in applications like n-bit encoding and code conversion.
In stock
Specifications
4- Supply Voltage
- 7V V
- Input Voltage
- 5.5V V
- Typical Data Delay
- 10ns ns
- Typical Power Dissipation
- 60mW mW
Pinout
17| Pin | Name | Functions | Notes |
|---|---|---|---|
| — | VCC | POWER | Supply voltage |
| 15 | NC | GND | No internal connection |
| 14 | D | GPIO | Data input |
| 13 | 3 | GPIO | Output for binary bit 0 |
| 12 | 2 | GPIO | Output for binary bit 1 |
| 11 | 1 | GPIO | Output for binary bit 2 |
| 10 | A2 | GPIO | Priority input |
| 9 | A1 | GPIO | Priority input |
| 8 | A0 | GPIO | Priority input |
| 7 | E1 | GPIO | Enable input for higher priority |
| 6 | E2 | GPIO | Enable input for highest priority |
| 5 | GS | GPIO | Ground signal output |
| 4 | 0 | GPIO | Output for binary bit 3 |
| 3 | 1 | GPIO | Output for binary bit 4 |
| 2 | 2 | GPIO | Output for binary bit 5 |
| 1 | 3 | GPIO | Output for binary bit 6 |
| 9 | GND | GND | Ground |
Interactive pinout
Highlight:
74LS148
Click a pin to copy its name · tap a tag above to spotlight a bus.