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SN74S74NSR from TI,Texas Instruments

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SN74S74NSR

Manufacturer: TI, TEXAS

Dual D-Type Positive-Edge-Triggered Flip-Flops With Preset And Clear

Partnumber Manufacturer Quantity Availability
SN74S74NSR TI, TEXAS 2016 In Stock

Description and Introduction

Dual D-Type Positive-Edge-Triggered Flip-Flops With Preset And Clear The SN74S74NSR is a dual D-type positive-edge-triggered flip-flop manufactured by Texas Instruments (TEXAS).  

### **Specifications:**  
- **Logic Type:** D-Type Flip-Flop  
- **Number of Circuits:** 2  
- **Trigger Type:** Positive Edge  
- **Output Type:** Standard  
- **Supply Voltage (VCC):** 4.75V to 5.25V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package / Case:** 14-SOIC  
- **Mounting Type:** Surface Mount  
- **Propagation Delay Time:** 9 ns (typical)  
- **High-Level Output Current:** -1 mA  
- **Low-Level Output Current:** 20 mA  

### **Descriptions:**  
- The SN74S74NSR features independent data, clock, set, and reset inputs for each flip-flop.  
- It is designed for high-speed logic applications.  
- The device operates with a 5V power supply and provides complementary outputs (Q and Q̅).  

### **Features:**  
- **Dual Flip-Flop:** Contains two independent D-type flip-flops.  
- **Edge-Triggered:** Responds to the positive-going edge of the clock pulse.  
- **Asynchronous Clear and Preset:** Direct Set (S) and Reset (R) inputs override clock and data inputs.  
- **Wide Operating Voltage:** Compatible with TTL levels.  
- **High-Speed Operation:** Suitable for fast digital systems.  

This information is based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Dual D-Type Positive-Edge-Triggered Flip-Flops With Preset And Clear

Alternative Part Number

  • MC74F74DR2 --: Dual D-type flip-flop with preset and clear in the same F-series logic family, SOIC package, functionally equivalent to the SN74S74.
  • 74F74PC --: Dual D-type positive-edge-triggered flip-flop with preset and clear, direct functional replacement for the SN74S74.
  • DM74S74N --: Same S-series dual D flip-flop function with preset and clear, suitable drop-in alternative though in DIP package.
  • 74F74SC --: Pin-compatible dual D flip-flop with preset/clear, same speed class, suitable direct replacement in most designs.
  • DM74LS74AN --: Lower-power LS logic dual D flip-flop with identical function and pinout, usable where slightly slower switching is acceptable.

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