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SN74LS109ANSR from TI,Texas Instruments

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SN74LS109ANSR

Manufacturer: TI, TEXAS

Dual J-K Positive-Edge-Triggered Flip-Flops With Clear And Preset
Partnumber Manufacturer Quantity Availability
SN74LS109ANSR TI, TEXAS 2969 In Stock

Description and Introduction

Dual J-K Positive-Edge-Triggered Flip-Flops With Clear And Preset **Manufacturer:** Texas Instruments (TI)  

**Part Number:** SN74LS109ANSR  

### **Specifications:**  
- **Logic Family:** LS (Low-Power Schottky)  
- **Logic Type:** Dual J-K Positive-Edge-Triggered Flip-Flop  
- **Number of Circuits:** 2  
- **Number of Bits per Element:** 1  
- **Trigger Type:** Positive Edge  
- **Supply Voltage (VCC):** 4.75V to 5.25V  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package / Case:** 16-SOIC (Small Outline Integrated Circuit)  
- **Mounting Type:** Surface Mount  
- **Output Type:** Standard  

### **Descriptions:**  
The SN74LS109ANSR is a dual J-K flip-flop with individual J, K, clock, and direct clear inputs. It features positive-edge triggering and complementary outputs (Q and Q̅).  

### **Features:**  
- **Dual Flip-Flop:** Contains two independent J-K flip-flops.  
- **Edge-Triggered Operation:** Changes state on the positive clock edge.  
- **Direct Clear Input:** Asynchronous reset for each flip-flop.  
- **Low Power Consumption:** LS technology ensures reduced power usage.  
- **Wide Operating Voltage Range:** Compatible with standard TTL levels.  
- **High Noise Immunity:** Improved noise resistance compared to standard TTL.  

(No additional suggestions or guidance provided.)

Application Scenarios & Design Considerations

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

Alternative Part Number

  • MC74LS109ADG --: Dual J-K flip-flop with preset and clear in the same LS logic family, SOIC-16 package, direct functional and pin-compatible replacement.
  • DM74LS109AN --: Equivalent dual negative-edge-triggered J-K flip-flop with preset/clear, widely available and electrically compatible with the SN74LS109A.
  • SN74HC109N --: Same dual J-K flip-flop function from TI in the HC family; usable where higher speed and CMOS input levels are acceptable, though supply voltage range differs.
  • MC74LS109ADR2G --: Dual J-K flip-flop with preset and clear in the same LS logic family, SOIC-16 package, direct functional and pin-compatible replacement.
  • DM74LS109AMX --: Equivalent 74LS109 dual J-K flip-flop in SOIC-16, same logic function and supply range, widely available alternative.
  • SN74LS109AD --: Same TI LS109 function in SOIC-16 package; different package/ordering suffix from the source, suitable when the tape-and-reel variant is unavailable.

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