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SN74LS156NSR from TI,Texas Instruments

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SN74LS156NSR

Manufacturer: TI

Dual 2-Line to 4-Line Decoders/Demultiplexers with Open-Collector Outputs

Partnumber Manufacturer Quantity Availability
SN74LS156NSR TI 92 In Stock

Description and Introduction

Dual 2-Line to 4-Line Decoders/Demultiplexers with Open-Collector Outputs The SN74LS156NSR 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 Range:** 4.75V to 5.25V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package / Case:** SOP-16  
- **Mounting Type:** Surface Mount  
- **Output Type:** Active Low  
- **Propagation Delay Time:** 15ns (typical)  

### **Descriptions:**  
The SN74LS156NSR is a dual decoder/demultiplexer IC that accepts two binary-coded inputs and activates one of four mutually exclusive outputs for each decoder. It can also function as a demultiplexer when the enable input is used as a data input.  

### **Features:**  
- Dual 2-to-4 line decoding/demultiplexing  
- Active LOW outputs  
- Common 2-bit address inputs  
- Separate enable inputs for each decoder  
- Low power consumption (LS technology)  
- High noise immunity  
- TTL-compatible inputs  

This device is commonly used in digital systems for address decoding, memory selection, and data routing applications.

Application Scenarios & Design Considerations

Dual 2-Line to 4-Line Decoders/Demultiplexers with Open-Collector Outputs

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