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SN74LS151

Manufacturer: TI

LOW POWER SCHOTTKY
Partnumber Manufacturer Quantity Availability
SN74LS151 TI 1258 In Stock

Description and Introduction

LOW POWER SCHOTTKY The SN74LS151 is a 8-line to 1-line data selector/multiplexer manufactured by Texas Instruments (TI).  

### **Key Specifications:**  
- **Logic Family:** LS (Low-Power Schottky)  
- **Function:** 8-input multiplexer  
- **Number of Channels:** 1  
- **Input Lines:** 8 (Data Select Inputs: D0-D7)  
- **Output:** 1 (Y and complementary W output)  
- **Select Lines:** 3 (A, B, C)  
- **Supply Voltage Range:** 4.75V to 5.25V  
- **Propagation Delay (Typical):** 15 ns  
- **Power Consumption:** Low (typical 32 mW)  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package Options:** PDIP, SOIC, CDIP  

### **Descriptions and Features:**  
- Performs parallel-to-serial conversion.  
- Selects one of eight data inputs based on three binary select inputs (A, B, C).  
- Provides true (Y) and inverted (W) outputs.  
- Strobe (G) input for enabling/disabling the device.  
- Schottky-clamped for high performance.  
- TTL-compatible inputs and outputs.  
- Applications include data routing, function generation, and digital signal processing.  

For detailed electrical characteristics and timing diagrams, refer to the official TI datasheet.

Application Scenarios & Design Considerations

LOW POWER SCHOTTKY

Alternative Part Number

  • CD74HCT151E --: 8-to-1 multiplexer with the same function and pinout, HCT logic family offers TTL-compatible inputs and is a common drop-in replacement.
  • MC74HC151AN --: 8-input multiplexer in the HC family with identical pin configuration, widely available and functionally equivalent.
  • 74LS151 --: Standard 8-to-1 multiplexer from a different vendor, same LS logic family and pinout, suitable as a direct second-source replacement.
  • CD74HC151E --: 8-to-1 multiplexer with the same function and pinout, CMOS HC family offers lower power consumption and is a direct functional replacement.
  • 74HCT151N --: HCT family 8-to-1 multiplexer with TTL-compatible inputs, suitable drop-in replacement for LS logic in most designs.

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