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SN74HC74DRG4 from TI,Texas Instruments

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SN74HC74DRG4

Manufacturer: TI

Dual D-Type Positive-Edge-Triggered Flip-Flops With Clear and Preset 14-SOIC -40 to 85

Partnumber Manufacturer Quantity Availability
SN74HC74DRG4 TI 1200 In Stock

Description and Introduction

Dual D-Type Positive-Edge-Triggered Flip-Flops With Clear and Preset 14-SOIC -40 to 85 The SN74HC74DRG4 is a dual positive-edge-triggered D-type flip-flop with clear and preset features, manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** D-Type Flip-flop  
- **Number of Circuits:** 2  
- **Output Type:** Push-Pull  
- **Trigger Type:** Positive Edge  
- **Supply Voltage (VCC):** 2V to 6V  
- **High-Level Output Current (IOH):** -5.2mA  
- **Low-Level Output Current (IOL):** 5.2mA  
- **Propagation Delay Time (tpd):** 20ns at 5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package / Case:** SOIC-14  

### **Descriptions:**  
- The SN74HC74DRG4 contains two independent D-type flip-flops with individual clear (CLR) and preset (PRE) inputs.  
- Data (D) input changes are clocked on the rising edge of the clock (CLK) signal.  
- Asynchronous clear and preset override the clock input for immediate state control.  

### **Features:**  
- **Wide Operating Voltage Range:** 2V to 6V  
- **High Noise Immunity:** CMOS technology  
- **Low Power Consumption:** Typical ICC of 20µA  
- **Balanced Propagation Delays**  
- **Direct Overrides:** Asynchronous clear and preset  
- **ESD Protection:** Exceeds 2000V per JESD 22  

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

(Source: Texas Instruments Datasheet)

Application Scenarios & Design Considerations

Dual D-Type Positive-Edge-Triggered Flip-Flops With Clear and Preset 14-SOIC -40 to 85

Alternative Part Number

  • MC74HC74ADR2G --: Dual D-type flip-flop with preset and clear in the same HC logic family, SOIC-14 package, direct functional and pin-compatible replacement.
  • CD74HC74M96 --: Same HC-series dual D flip-flop from TI in SOIC-14, identical logic function and pinout, different series prefix for easy distinction.
  • 74HC74D,653 --: Standard 74HC74 dual D-type flip-flop in SOIC-14, widely available and electrically compatible with the original device.

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