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SN74F109N from TI,Texas Instruments

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SN74F109N

Manufacturer: TI

Dual J-K Positive-Edge-Triggered Flip-Flops With Clear And Preset

Partnumber Manufacturer Quantity Availability
SN74F109N TI 573 In Stock

Description and Introduction

Dual J-K Positive-Edge-Triggered Flip-Flops With Clear And Preset The SN74F109N is a dual positive-edge-triggered J-K flip-flop manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** J-K Flip-flop  
- **Number of Circuits:** 2  
- **Trigger Type:** Positive Edge  
- **Supply Voltage (VCC):** 4.5V to 5.5V  
- **High-Level Input Voltage (VIH):** 2V (min)  
- **Low-Level Input Voltage (VIL):** 0.8V (max)  
- **High-Level Output Current (IOH):** -1 mA  
- **Low-Level Output Current (IOL):** 20 mA  
- **Propagation Delay Time (tpd):** 7.5 ns (max) at 5V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package / Case:** PDIP-16  

### **Descriptions:**  
- The SN74F109N features independent J-K inputs, clock (CLK) inputs, preset (PRE), and clear (CLR) controls for each flip-flop.  
- The outputs change state on the positive-going edge of the clock pulse if enabled.  
- Asynchronous clear (CLR) and preset (PRE) override the clock and data inputs.  

### **Features:**  
- Dual J-K flip-flop with clear and preset  
- Edge-triggered clocking  
- Buffered inputs and outputs  
- TTL-compatible inputs  
- Standard 16-pin DIP package  

For detailed electrical characteristics and timing diagrams, refer to the official TI datasheet.

Application Scenarios & Design Considerations

Dual J-K Positive-Edge-Triggered Flip-Flops With Clear And Preset

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