SN74HC74QDRQ1 Dual D-Type Positive-Edge-Triggered Flip-Flops

The SN74HC74QDRQ1 from Texas Instruments is a high-performance, dual D-type positive-edge-triggered flip-flop integrated circuit designed to operate from a wide voltage range of 2 V to 6 V. This device is particularly suitable for automotive and other applications requiring stringent quality standards and high reliability.

Featuring two independent D-type flip-flops with individual clear and preset inputs, the SN74HC74QDRQ1 allows for flexible control and synchronous system design. Each flip-flop has separate data (D), clock (CLK), set (SD), and reset (RD) inputs, with Q and Q̅ outputs. The flip-flops transition on the rising edge of the clock input signal, providing a predictable output for stable system operation.

Constructed with silicon-gate CMOS technology, the SN74HC74QDRQ1 offers the robustness and speed of CMOS along with low power consumption, making it an excellent choice for power-sensitive applications. The device's inputs are designed to be tolerant to higher voltages, ensuring compatibility with multiple logic levels and protecting against potential damage from overvoltage conditions.

Key features of the SN74HC74QDRQ1 include:

• Wide operating voltage range: 2 V to 6 V
• High noise immunity characteristic of CMOS technology
• Low power consumption: ICC is 20 μA max at TA = 25°C
• High current drive capability: ±8-mA output drive at 5 V
• Direct LSTTL input logic compatibility: VIL = 0.8 V max, VIH = 2 V min
• ESD protection exceeds JESD 22
• Available in a small-outline package, making it suitable for space-constrained applications

The SN74HC74QDRQ1 is designed to meet the rigorous demands of automotive applications, and it is qualified for use in such environments. It is characterized for operation from -40°C to 85°C, ensuring reliable performance under a broad range of temperature conditions. With its robust design and high functionality, the SN74HC74QDRQ1 is a versatile component for designing automotive control systems, digital circuits, and other applications where reliable flip-flop operations are essential.