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SN74LS109A from TI,Texas Instruments

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SN74LS109A

Manufacturer: TI

LOW POWER SCHOTTKY

Partnumber Manufacturer Quantity Availability
SN74LS109A TI 36 In Stock

Description and Introduction

LOW POWER SCHOTTKY The SN74LS109A is a dual positive-edge-triggered J-K flip-flop manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Supply Voltage (VCC):** 4.75V to 5.25V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Propagation Delay (Typical):** 15 ns  
- **Power Dissipation (Per Flip-Flop):** 22 mW  
- **Input Current (High):** 20 µA  
- **Input Current (Low):** -0.36 mA  
- **Output Current (High):** -0.4 mA  
- **Output Current (Low):** 8 mA  

### **Descriptions:**  
- The SN74LS109A features two independent J-K flip-flops with individual J, K, clock (CLK), preset (PRE), and clear (CLR) inputs.  
- Each flip-flop triggers on the positive edge of the clock signal.  
- The device includes asynchronous preset and clear inputs for direct control.  

### **Features:**  
- **Dual J-K Flip-Flops:** Two independent flip-flops in a single package.  
- **Positive-Edge Triggering:** State changes occur on the rising clock edge.  
- **Asynchronous Inputs:** Direct set/reset via PRE and CLR inputs.  
- **TTL-Compatible:** Works with standard TTL logic levels.  
- **Wide Operating Voltage:** Optimized for 5V operation.  
- **High Noise Immunity:** Typical of LS-series logic.  

The SN74LS109A is commonly used in counters, registers, and control logic applications.

Application Scenarios & Design Considerations

LOW POWER SCHOTTKY

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