SN74HCT74 Dual D-Type Positive-Edge-Triggered Flip-Flops

The SN74HCT74 device from Texas Instruments is a dual D-type positive-edge-triggered flip-flop integrated circuit, designed for high-performance digital systems. This versatile component features two independent D-type flip-flops with direct clear and preset inputs. It is a staple in digital electronics, ideal for a variety of edge-triggered applications.

Key Features:

• Logic Family: HCT Logic
• Logic Type: D-Type Flip-Flop
• Number of Circuits: Dual
• Output Type: Differential
• Trigger Type: Positive Edge
• Supply Voltage Range: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Package / Case: Various options available
• Propagation Delay Time: 13 ns (typical) at 5V

The SN74HCT74 is designed to be compatible with TTL logic levels while maintaining CMOS performance. This compatibility allows for easy integration into existing systems without the need for level shifting. It operates from a 4.5V to 5.5V supply, making it suitable for a wide range of power environments.

Each flip-flop has independent data (D), set (SD), reset (RD), and clock (CLK) inputs and Q and Q̅ outputs. The set and reset are asynchronous, providing additional flexibility in control logic design. The SN74HCT74 ensures that the state of the flip-flop is only affected during the rising edge of the clock signal, making it reliable for critical timing applications.

Available in a variety of packages, including PDIP, SOIC, and TSSOP, the SN74HCT74 is designed for ease of PCB layout and is suitable for automated assembly processes. Its robust design ensures reliable operation in the extended industrial temperature range, making it a preferred choice for industrial, automotive, and consumer electronics applications.

For detailed specifications, application notes, and support documentation, visit the Texas Instruments product page.