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SN74AS74AD from TI,Texas Instruments

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SN74AS74AD

Manufacturer: TI

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

Partnumber Manufacturer Quantity Availability
SN74AS74AD TI 800 In Stock

Description and Introduction

Dual Positive-Edge-Triggered D-Type Flip-Flops With Preset And Clear The SN74AS74AD is a dual positive-edge-triggered D-type flip-flop manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Technology Family:** AS (Advanced Schottky)  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **High-Level Output Current:** -15mA  
- **Low-Level Output Current:** 48mA  
- **Propagation Delay Time (Max):** 8ns at 5V  
- **Setup Time (Min):** 5ns  
- **Hold Time (Min):** 0ns  
- **Package Type:** SOIC-14  

### **Descriptions:**  
- Contains two independent D-type flip-flops with individual clear (CLR) and preset (PRE) inputs.  
- Positive-edge-triggered clocking for synchronous operation.  
- Direct clear and preset inputs for asynchronous control.  

### **Features:**  
- **High-Speed Operation:** Optimized for fast switching applications.  
- **Low Power Consumption:** Advanced Schottky technology reduces power dissipation.  
- **Wide Operating Voltage:** Compatible with TTL levels.  
- **Asynchronous Clear & Preset:** Allows immediate state control.  
- **Balanced Propagation Delays:** Ensures reliable timing performance.  

This device is commonly used in digital systems for data storage, synchronization, and control applications.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • 74F74PC --: Dual D-type flip-flop with preset and clear, functionally equivalent to the SN74AS74A, in a DIP package from a different series and vendor.
  • MC74ACT74N --: Dual D flip-flop with clear and preset, TTL-compatible inputs, direct functional replacement in a different naming series.
  • CD74HCT74E --: Dual D-type flip-flop with preset and clear, HCT logic family offers similar speed and TTL-compatible levels, different series prefix.

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