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SN74ALS109AN from TI,Texas Instruments

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SN74ALS109AN

Manufacturer: TI

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

Partnumber Manufacturer Quantity Availability
SN74ALS109AN TI 1000 In Stock

Description and Introduction

Dual J-K Positive-Edge-Triggered Flip-Flops With Clear and Preset The SN74ALS109AN 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 Output Current (IOH):** -2.6 mA  
- **Low-Level Output Current (IOL):** 24 mA  
- **Propagation Delay Time (tpd):** 14 ns (max) at 5V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package / Case:** PDIP-16  
- **Mounting Type:** Through Hole  

### **Descriptions & Features:**  
- **Dual Flip-Flop:** Contains two independent J-K flip-flops with individual J, K, clock (CLK), preset (PRE), and clear (CLR) inputs.  
- **Positive-Edge Triggering:** The outputs change state on the rising edge of the clock pulse.  
- **Asynchronous Clear & Preset:** Directly sets or resets outputs regardless of clock state.  
- **Wide Operating Voltage:** Compatible with standard 5V TTL logic levels.  
- **High-Speed Operation:** Suitable for high-performance digital systems.  
- **Standard PDIP Package:** 16-pin plastic dual in-line package for easy PCB mounting.  

This device is commonly used in counters, registers, and control applications requiring edge-triggered storage elements.

Application Scenarios & Design Considerations

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

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