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DM74AS74 from NS,National Semiconductor

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DM74AS74

Manufacturer: NS

Dual D-Type Positive-Edge-Triggered Flip-Flop with Preset and Clear

Partnumber Manufacturer Quantity Availability
DM74AS74 NS 5 In Stock

Description and Introduction

Dual D-Type Positive-Edge-Triggered Flip-Flop with Preset and Clear The DM74AS74 is a dual positive-edge-triggered D-type flip-flop with preset and clear, manufactured by National Semiconductor (NS).  

### Key Specifications:  
- **Logic Family**: 74AS (Advanced Schottky)  
- **Function**: Dual D-type flip-flop  
- **Trigger Type**: Positive-edge-triggered  
- **Inputs**:  
  - Data (D)  
  - Clock (CLK)  
  - Preset (PRE) – asynchronous, active-low  
  - Clear (CLR) – asynchronous, active-low  
- **Outputs**: Q and Q̅ (complementary)  
- **Supply Voltage (VCC)**: 4.5V to 5.5V (nominal 5V)  
- **Propagation Delay (tpd)**: Typically 4.5 ns (CLK to Q)  
- **Power Dissipation**: ~100 mW per flip-flop (varies with operating conditions)  
- **Operating Temperature Range**: 0°C to +70°C (commercial grade)  
- **Package Options**: 14-pin PDIP, SOIC, and others  

This device is designed for high-speed digital applications with improved speed and power efficiency compared to standard TTL.  

(Source: National Semiconductor datasheet for DM74AS74.)

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