74139 IC Dual 2-To-4 Line DECODER
74139 IC Dual 2-To-4 Line DECODER
The SN74LS139N is a dual 2-to-4 line decoder/demultiplexer integrated circuit (IC) designed for high-speed memory decoding and data routing applications. Manufactured by XBLW, this device is optimized for use in digital systems requiring efficient address decoding and signal routing
Features:
- Dual 2-to-4 line decoders/demultiplexers in a single package.
- High-speed operation with low propagation delay times.
- Active-low enable (G) inputs for cascading and data reception.
- Fully buffered inputs to minimize load on driving circuits.
- Inputs clamped with high-performance Schottky diodes to suppress line ringing..
Specifications:
| Parameter | Value |
| Category | Integrated Circuits (ICs)/Logic/Signal Switches, Multiplexers, Decoders |
| Manufacturer | XBLW |
| Package | DIP-16 |
| Type | Decoder |
| Voltage – Supply | 2V~6V |
| Quiescent Current | 8uA |
| Operating Temperature | -20℃~+85℃ |
Pin Configuration:
| Pin | Name | Function |
| 1 | 1E | Enable input for decoder 1 (active low) |
| 2 | 1A0 | Address input 0 for decoder 1 |
| 3 | 1A1 | Address input 1 for decoder 1 |
| 4 | 1Y0 | Output 0 for decoder 1 (active low) |
| 5 | 1Y1 | Output 1 for decoder 1 (active low) |
| 6 | 1Y2 | Output 2 for decoder 1 (active low) |
| 7 | 1Y3 | Output 3 for decoder 1 (active low) |
| 8 | GND | Ground |
| 9 | 2Y3 | Output 3 for decoder 2 (active low) |
| 10 | 2Y2 | Output 2 for decoder 2 (active low) |
| 11 | 2Y1 | Output 1 for decoder 2 (active low) |
| 12 | 2Y0 | Output 0 for decoder 2 (active low) |
| 13 | 2A1 | Address input 1 for decoder 2 |
| 14 | 2A0 | Address input 0 for decoder 2 |
| 15 | 2E | Enable input for decoder 2 (active low) |
| 16 | VCC | Positive supply voltage |