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DM74S74

Dual Positive-Edge-Triggered D Flip-Flop with Preset, Clear and Complementary Outputs

Partnumber Manufacturer Quantity Availability
DM74S74 21 In Stock

Description and Introduction

Dual Positive-Edge-Triggered D Flip-Flop with Preset, Clear and Complementary Outputs The DM74S74 is a dual D-type positive-edge-triggered flip-flop with preset and clear, manufactured by Fairchild Semiconductor. Below are its key specifications:

1. **Logic Family**: 74S (Schottky TTL)  
2. **Function**: Dual D-type flip-flop  
3. **Trigger Type**: Positive-edge-triggered  
4. **Number of Flip-Flops**: 2 per IC  
5. **Supply Voltage (VCC)**: 4.75V to 5.25V (nominal 5V)  
6. **Propagation Delay (tPLH/tPHL)**: Typically 5.5 ns (max 7 ns)  
7. **Setup Time (tsu)**: 3 ns (min)  
8. **Hold Time (th)**: 2 ns (min)  
9. **Clock Frequency (fmax)**: Up to 125 MHz  
10. **Output Current (High/Low)**: -1 mA / 20 mA  
11. **Operating Temperature Range**: 0°C to +70°C  
12. **Package Type**: 14-pin DIP (Dual In-line Package)  

Additional features include asynchronous preset (PRE) and clear (CLR) inputs for each flip-flop.  

For exact details, refer to the original Fairchild Semiconductor datasheet.

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