Texas Instruments

SN74ACT74DR

The SN74ACT74DR is a high-speed CMOS dual D-type flip-flop manufactured by Texas Instruments. It is part of the 74ACT series of logic devices, which are designed for use in a wide range of digital applications.

Description:

The SN74ACT74DR is a dual D-type flip-flop that consists of two independent flip-flops, each with separate data (D), clock (CLK), and output (Q) terminals. The device uses a positive-edge triggered clock input, meaning that the output is updated on the rising edge of the clock signal.

Features:

1. High-speed CMOS technology: The SN74ACT74DR is built using high-speed complementary metal-oxide-semiconductor (CMOS) technology, which allows for fast switching speeds and low power consumption.
2. Positive-edge triggered clock: The device is designed to be triggered by the rising edge of the clock signal, ensuring reliable and predictable operation.
3. Independent flip-flops: The SN74ACT74DR contains two independent D-type flip-flops, each with its own data, clock, and output terminals, allowing for greater flexibility in digital circuit design.
4. Wide operating voltage range: The device can operate over a wide voltage range of 2V to 6V, making it suitable for various applications and power supply requirements.
5. Low power consumption: The SN74ACT74DR has a low power consumption of 35mW (typical) at a supply voltage of 5V, making it suitable for battery-powered or energy-efficient applications.

Applications:

1. Digital counters: The SN74ACT74DR can be used as a building block for digital counters, which are used in various applications such as frequency measurement, event counting, and timekeeping.
2. Shift registers: The device can be used to create shift registers, which are used for serial-to-parallel or parallel-to-serial data conversion in digital communication systems.
3. Latches and memory elements: The SN74ACT74DR can be used as a latch or memory element in digital systems, storing a single bit of information.
4. Data storage and buffering: The device can be used to store and buffer data in digital systems, providing a means to temporarily hold information before it is processed or transmitted.
5. Synchronization and edge detection: The positive-edge triggered clock input of the SN74ACT74DR can be used for synchronization and edge detection applications in digital circuits.

In summary, the Texas Instruments SN74ACT74DR is a versatile and high-speed dual D-type flip-flop that offers a range of features, including independent flip-flops, a positive-edge triggered clock, and low power consumption. It is suitable for a variety of digital applications, such as counters, shift registers, latches, data storage, and synchronization.