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DM54LS109AJ

Dual Positive-Edge-Triggered J-K Flip-Flops with Preset/ Clear/ and Complementary Outputs

Partnumber Manufacturer Quantity Availability
DM54LS109AJ 900 In Stock

Description and Introduction

Dual Positive-Edge-Triggered J-K Flip-Flops with Preset/ Clear/ and Complementary Outputs The DM54LS109AJ is a dual positive-edge-triggered J-K flip-flop with preset and clear, manufactured by National Semiconductor (now part of Texas Instruments). It is part of the 54LS series, which is designed for military and high-reliability applications.  

### Key Specifications:  
- **Logic Family**: LS (Low-Power Schottky)  
- **Supply Voltage (VCC)**: 4.5V to 5.5V  
- **Operating Temperature Range**: -55°C to +125°C (military-grade)  
- **Propagation Delay (Typical)**: 15 ns  
- **Power Dissipation (Per Flip-Flop)**: 20 mW (typical)  
- **Input Current (High)**: 20 µA (max)  
- **Input Current (Low)**: -0.36 mA (max)  
- **Output Current (High)**: -0.4 mA (max)  
- **Output Current (Low)**: 8 mA (max)  
- **Package**: 16-pin ceramic DIP (Dual In-line Package)  

### Features:  
- Independent J-K inputs for each flip-flop  
- Direct clear (CLR) and preset (PRE) inputs  
- Positive-edge clock triggering  
- Buffered outputs  

This device is suitable for high-speed logic applications in harsh environments.

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