74HCT74

The 74HCT74 is a high-speed CMOS (Complementary Metal-Oxide-Semiconductor) logic integrated circuit (IC) that belongs to the 74HCT series. This series is known for its high-speed operation and low power consumption, making it suitable for a wide range of digital applications. The 74HCT74 is a dual D-type flip-flop, meaning it contains two independent flip-flops within a single 14-pin package.

Each flip-flop in the 74HCT74 has a data input (D), a clock input (CP), a set input (SD), a reset input (MR), and outputs (Q and Q'). The data input (D) is used to set the state of the flip-flop, while the clock input (CP) controls when the data is latched. The set input (SD) and reset input (MR) allow for asynchronous control of the flip-flop's state. The outputs (Q and Q') provide the complementary states of the flip-flop, with Q' being the inverse of Q.

The 74HCT74 operates with a supply voltage range of 4.5V to 5.5V, making it compatible with TTL (Transistor-Transistor Logic) circuits. It features high noise immunity and is designed for high-speed operation, with propagation delays typically around 15 nanoseconds. The IC is available in various package types, including DIP (Dual In-line Package), SOIC (Small Outline Integrated Circuit), and TSSOP (Thin Shrink Small Outline Package).

The 74HCT74 is commonly used in digital circuits requiring flip-flop functionality, such as counters, registers, and sequential logic designs. Its high-speed and low-power characteristics make it a popular choice for applications in consumer electronics, telecommunications, and industrial control systems.