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SN74LS156DR2 from MOT,Motorola

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SN74LS156DR2

Manufacturer: MOT

DUAL 1-OF-4 DECODER/ DEMULTIPLEXER

Partnumber Manufacturer Quantity Availability
SN74LS156DR2 MOT 180 In Stock

Description and Introduction

DUAL 1-OF-4 DECODER/ DEMULTIPLEXER The SN74LS156DR2 is a dual 2-line to 4-line decoder/demultiplexer manufactured by Texas Instruments (MOT refers to Motorola, but the correct manufacturer is Texas Instruments).  

### **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:** SOIC-16  
- **Mounting Type:** Surface Mount  
- **Output Type:** Active Low  
- **Propagation Delay Time:** 15ns (typical)  
- **High-Level Output Current:** -0.4mA  
- **Low-Level Output Current:** 8mA  

### **Descriptions:**  
- The SN74LS156DR2 contains two independent 2-to-4 line decoders/demultiplexers with active-low outputs.  
- It is designed to accept two binary-coded inputs and provide four mutually exclusive outputs.  
- Each decoder has an enable input (G) that, when high, disables all outputs.  

### **Features:**  
- **Dual 2-to-4 Line Decoding:** Two independent decoders in a single package.  
- **Active-Low Outputs:** Outputs are low when selected.  
- **Common Enable Input:** Simplifies cascading multiple decoders.  
- **TTL-Compatible:** Works with standard TTL logic levels.  
- **Low Power Consumption:** Typical power dissipation of 32mW.  

This information is based on the Texas Instruments datasheet for the SN74LS156DR2.

Application Scenarios & Design Considerations

DUAL 1-OF-4 DECODER/ DEMULTIPLEXER

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