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SN54LS112J from TI,Texas Instruments

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SN54LS112J

Manufacturer: TI, MOT

DUAL JK NEGATIVE EDGE-TRIGGERED FLIP-FLOP

Partnumber Manufacturer Quantity Availability
SN54LS112J TI, MOT 820 In Stock

Description and Introduction

DUAL JK NEGATIVE EDGE-TRIGGERED FLIP-FLOP The SN54LS112J is a dual negative-edge-triggered J-K flip-flop manufactured by Texas Instruments (TI).  

### **Key Specifications:**  
- **Logic Family:** LS (Low-Power Schottky)  
- **Technology:** TTL (Transistor-Transistor Logic)  
- **Number of Circuits:** 2 (Dual Flip-Flop)  
- **Trigger Type:** Negative-Edge Triggered  
- **Supply Voltage Range (VCC):** 4.5V to 5.5V  
- **Operating Temperature Range:** -55°C to +125°C (Military Grade)  
- **Package Type:** Ceramic DIP (Dual In-line Package)  
- **Pin Count:** 16  

### **Features:**  
- **Independent J-K Inputs:** Each flip-flop has separate J, K, clock (CLK), preset (PRE), and clear (CLR) inputs.  
- **Asynchronous Clear and Preset:** Allows immediate setting or resetting of outputs regardless of clock state.  
- **High-Speed Operation:** Optimized for fast switching applications.  
- **Low Power Consumption:** Typical power dissipation of 20mW per flip-flop.  
- **Wide Operating Temperature Range:** Suitable for harsh environments.  

### **Applications:**  
- Data synchronization  
- Frequency division  
- State machine design  
- Control logic circuits  

This device is part of TI's 54-series, which is designed for military and high-reliability applications.

Application Scenarios & Design Considerations

DUAL JK NEGATIVE EDGE-TRIGGERED FLIP-FLOP

Alternative Part Number

  • MC74LS112N --: Dual J-K flip-flop with preset and clear, same LS TTL logic family and function, widely available as a direct functional equivalent.
  • DM74LS112N --: Pin-compatible dual negative-edge-triggered J-K flip-flop with preset/clear, matching the SN54LS112J function and LS logic characteristics.
  • 74LS112N --: Standard 74LS112 dual J-K flip-flop in DIP package, electrically and functionally interchangeable for most applications.
  • SN74LS112N --: Commercial-temperature version of the same LS112 dual J-K flip-flop, electrically equivalent for non-military applications.

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