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SN74F109 from TI,Texas Instruments

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SN74F109

Manufacturer: TI

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

Partnumber Manufacturer Quantity Availability
SN74F109 TI 280 In Stock

Description and Introduction

Dual J-K Positive-Edge-Triggered Flip-Flops With Clear And Preset The SN74F109 is a dual positive-edge-triggered J-K flip-flop manufactured by Texas Instruments (TI). Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**  
- **Supply Voltage Range (VCC):** 4.5V to 5.5V  
- **High-Level Input Voltage (VIH):** 2V (min)  
- **Low-Level Input Voltage (VIL):** 0.8V (max)  
- **High-Level Output Voltage (VOH):** 2.7V (min) at IOH = -3mA  
- **Low-Level Output Voltage (VOL):** 0.5V (max) at IOL = 24mA  
- **Operating Temperature Range:** 0°C to 70°C  
- **Propagation Delay (tpd):** 6.5ns (max) at 5V  
- **Power Dissipation:** 50mW (typ) per flip-flop  

### **Descriptions:**  
- The SN74F109 consists of two independent J-K flip-flops with individual J, K, clock (CLK), preset (PRE), and clear (CLR) inputs.  
- Each flip-flop is positive-edge-triggered, meaning the state changes only on the rising edge of the clock signal.  
- The device features asynchronous preset and clear inputs for direct control over the flip-flop state.  

### **Features:**  
- **Dual J-K Flip-Flop:** Two independent flip-flops in a single package.  
- **Positive-Edge Triggering:** State changes occur on the rising clock edge.  
- **Asynchronous Inputs:** Direct set (PRE) and reset (CLR) functionality.  
- **High-Speed Operation:** Low propagation delay for fast performance.  
- **Wide Operating Voltage:** Supports standard 5V logic levels.  
- **TTL-Compatible Inputs/Outputs:** Ensures compatibility with TTL logic families.  

This information is based on the manufacturer's datasheet for the SN74F109.

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