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SN74HCT74DR from TEXAS

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SN74HCT74DR

Manufacturer: TEXAS

Dual D-Type Positive-Edge-Triggered Flip-Flops With Clear and Preset

Partnumber Manufacturer Quantity Availability
SN74HCT74DR TEXAS 1479 In Stock

Description and Introduction

Dual D-Type Positive-Edge-Triggered Flip-Flops With Clear and Preset The SN74HCT74DR is a dual D-type positive-edge-triggered flip-flop manufactured by Texas Instruments. Below are its specifications, descriptions, and features:  

### **Specifications:**  
- **Logic Type:** D-Type Flip-Flop  
- **Number of Circuits:** 2  
- **Output Type:** Complementary  
- **Trigger Type:** Positive Edge  
- **Supply Voltage (VCC):** 4.5V to 5.5V  
- **High-Level Input Voltage (VIH):** 2V (min)  
- **Low-Level Input Voltage (VIL):** 0.8V (max)  
- **High-Level Output Current (IOH):** -4mA  
- **Low-Level Output Current (IOL):** 4mA  
- **Propagation Delay Time (tpd):** 20ns (max) at 5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package / Case:** SOIC-14  
- **Mounting Type:** Surface Mount  

### **Description:**  
The SN74HCT74DR features two independent D-type flip-flops with asynchronous clear (CLR) and preset (PRE) inputs. Data is transferred to the output (Q) on the positive edge of the clock (CLK) pulse.  

### **Features:**  
- **HCT Input Compatibility:** Works with TTL and 5V CMOS logic levels  
- **Wide Operating Voltage Range:** 4.5V to 5.5V  
- **Low Power Consumption:** Typical ICC of 4µA  
- **Asynchronous Clear and Preset Inputs**  
- **Balanced Propagation Delays**  
- **High Noise Immunity**  
- **Compliant with JEDEC Standard JESD-7A**  

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

Application Scenarios & Design Considerations

Dual D-Type Positive-Edge-Triggered Flip-Flops With Clear and Preset

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