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SN74156N from TI,Texas Instruments

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SN74156N

Manufacturer: TI

DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS

Partnumber Manufacturer Quantity Availability
SN74156N TI 95 In Stock

Description and Introduction

DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS The SN74156N is a dual 2-line to 4-line decoder/demultiplexer manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type**: Decoder/Demultiplexer  
- **Number of Circuits**: 2  
- **Number of Input Lines**: 2 (per decoder)  
- **Number of Output Lines**: 4 (per decoder)  
- **Supply Voltage (VCC)**: 4.75V to 5.25V  
- **Operating Temperature Range**: 0°C to 70°C  
- **Package**: 16-pin PDIP (Plastic Dual In-line Package)  
- **Propagation Delay**: Typically 15ns at 5V  
- **Output Current**: ±8mA (High-Level), 16mA (Low-Level)  

### **Descriptions:**  
The SN74156N consists of two independent 2-to-4 line decoders with common address inputs and separate active-low enable inputs. It can function as a decoder or demultiplexer, converting binary input signals into mutually exclusive outputs.  

### **Features:**  
- **Dual Decoder/Demultiplexer**: Contains two independent 2-to-4 decoders in one package.  
- **Active-Low Enable Inputs**: Each decoder has its own enable input (G1, G2).  
- **Open-Collector Outputs**: Allows wired-OR connections.  
- **TTL-Compatible**: Works with standard TTL logic levels.  
- **Wide Operating Voltage**: Supports standard 5V logic supply.  

This information is based on the manufacturer's datasheet for the SN74156N.

Application Scenarios & Design Considerations

DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS

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