74LS74 Dual D-Type Positive Edge-Triggered Flip-Flop IC DIP-14

The 74LS74 is a Dual D-Type Positive Edge-Triggered Flip-Flop integrated circuit designed for reliable data storage, synchronization, and sequential logic applications. It contains two independent D-type flip-flops, each featuring a Data (D) input, Clock (CP) input, complementary outputs (Q and Q̅), and asynchronous Preset (PRE) and Clear (CLR) inputs. The outputs change state only on the rising (positive) edge of the clock signal, ensuring accurate and synchronized data transfer in digital circuits.

Each flip-flop stores one bit of data, making the 74LS74 ideal for memory elements, registers, counters, frequency division, and timing circuits. The asynchronous Preset and Clear inputs allow the outputs to be set or reset independently of the clock, providing greater flexibility in system control. Built using Low-Power Schottky TTL (LS TTL) technology, the IC offers fast switching speeds, low power consumption, and reliable operation in a wide range of digital electronic systems.

The 74LS74 operates from a standard 5V power supply and is fully compatible with TTL logic families, making it suitable for industrial control systems, embedded applications, communication equipment, educational projects, and general-purpose digital circuit design.

Features

• Dual independent D-type positive edge-triggered flip-flops.

• Stores one bit of data in each flip-flop.

• Positive edge-triggered clock operation for precise data synchronization.

• Asynchronous Preset (PRE) and Clear (CLR) inputs.

• Complementary outputs (Q and Q̅).

• Fast propagation delay of approximately 40 ns.

• Operates from a standard 5V supply voltage.

• Low-Power Schottky TTL (LS TTL) technology.

• TTL logic compatible.

• Reliable high-speed switching performance.

• Available in a 14-pin DIP package for easy PCB mounting and prototyping.

Applications

• Data storage circuits

• Shift registers

• Binary counters

• Frequency divider circuits

• Digital registers

• Signal synchronization

• Memory elements

• Sequential logic circuits

• Embedded systems

• Industrial automation

• Digital communication systems

• Educational and electronics laboratory projects