74LS139 Dual 2 to 4 Line Decoder Demultiplexer IC SMD SOIC16 (74LS139 SOIC 16 IC)
The 74LS139 Dual 2 to 4 Line Decoder Demultiplexer IC SMD SOIC16 is a high-speed TTL logic IC that contains two independent 2 to 4 line decoders in a compact SOIC 16 surface mount package. It is designed for address decoding, data routing, and chip selection in digital systems, providing fast switching and reliable performance.
The 74LS139 SMD IC is widely used in India for microcontroller systems, memory interfacing, digital electronics, and embedded applications. It is valued for its dual decoder functionality, compact size, and compatibility with standard TTL logic levels.
Key Features
- Dual 2 to 4 Decoder: Two independent decoder circuits in one IC.
- Active Low Outputs: Suitable for chip select and control logic.
- Demultiplexer Function: Enables data routing to selected outputs.
- Enable Inputs: Each decoder has separate enable control.
- High Speed TTL Logic: Fast switching performance.
- SMD SOIC16 Package: Compact size for PCB surface mounting.
Specifications
- IC Type: Dual 2 to 4 Line Decoder Demultiplexer IC
- Logic Family: LS TTL Logic
- Inputs: 2 Address Inputs per decoder
- Outputs: 4 Outputs per decoder Active Low
- Control Inputs: Enable Pins
- Operating Voltage: Standard TTL supply voltage
- Package Type: SOIC 16 SMD
- Mounting Type: Surface Mount
- Applications: Address decoding memory interfacing microcontroller systems digital logic embedded systems
Pinout Configuration (SOIC 16 Layout)
- Address input pins for each decoder
- Output pins Y0 to Y3 for each section
- Enable control pins
- VCC supply pin
- GND ground pin
- Refer to datasheet or circuit diagram for exact pin details
