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SN74LS74AJ from TI,Texas Instruments

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SN74LS74AJ

Manufacturer: TI

Dual D-type pos.-edge-triggered flip-flops with preset and clear

Partnumber Manufacturer Quantity Availability
SN74LS74AJ TI 17 In Stock

Description and Introduction

Dual D-type pos.-edge-triggered flip-flops with preset and clear The SN74LS74AJ is a dual D-type positive-edge-triggered flip-flop manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Family:** LS (Low-Power Schottky)  
- **Number of Circuits:** 2  
- **Flip-Flop Type:** D-Type  
- **Trigger Type:** Positive Edge  
- **Supply Voltage Range:** 4.75V to 5.25V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Propagation Delay Time:** 20 ns (typical)  
- **Output Current:** ±8 mA (High/Low)  
- **Package Type:** 14-CDIP (Ceramic Dual In-Line Package)  
- **Mounting Type:** Through Hole  

### **Descriptions:**  
- The SN74LS74AJ features two independent D-type flip-flops with individual clear (CLR) and preset (PRE) inputs.  
- Each flip-flop has a data (D) input, clock (CLK) input, and complementary outputs (Q and Q̅).  
- The device is designed for high-speed, low-power operation in digital logic applications.  

### **Features:**  
- **Dual Flip-Flop Configuration:** Two independent flip-flops in a single package.  
- **Edge-Triggered Clocking:** Responds to the positive-going edge of the clock signal.  
- **Asynchronous Clear and Preset:** Directly sets or resets outputs regardless of clock state.  
- **Wide Operating Voltage Range:** Compatible with standard 5V TTL logic levels.  
- **Low Power Consumption:** Typical power dissipation of 20 mW per flip-flop.  
- **High Noise Immunity:** Schottky-clamped inputs for improved noise rejection.  

This information is based solely on the technical specifications and features provided in the manufacturer's datasheet.

Application Scenarios & Design Considerations

Dual D-type pos.-edge-triggered flip-flops with preset and clear
Partnumber Manufacturer Quantity Availability
SN74LS74AJ MOTOROLA 81 In Stock

Description and Introduction

Dual D-type pos.-edge-triggered flip-flops with preset and clear The SN74LS74AJ is a dual D-type positive-edge-triggered flip-flop manufactured by **MOTOROLA**.  

### **Specifications:**  
- **Logic Family:** 74LS (Low-Power Schottky)  
- **Function:** Dual D-type flip-flop with preset and clear  
- **Trigger Type:** Positive-edge-triggered  
- **Number of Circuits:** 2  
- **Number of Bits per Flip-Flop:** 1  
- **Supply Voltage Range:** 4.75V to 5.25V (standard 5V operation)  
- **Operating Temperature Range:** 0°C to 70°C (commercial grade)  
- **Package Type:** Ceramic DIP (Dual In-Line Package)  
- **Pin Count:** 14  

### **Descriptions and Features:**  
- Each flip-flop has independent **data (D), clock (CLK), preset (PRE), and clear (CLR)** inputs.  
- **Asynchronous preset and clear** allow immediate state changes independent of the clock.  
- **Positive-edge-triggered clocking** ensures stable data transfer on the rising clock edge.  
- **Low power consumption** typical of the 74LS series.  
- **Wide operating voltage range** compatible with TTL logic levels.  
- **High noise immunity** due to Schottky-clamped inputs.  

This device is commonly used in digital systems for data storage, synchronization, and sequential logic applications.

Application Scenarios & Design Considerations

Dual D-type pos.-edge-triggered flip-flops with preset and clear

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