74AC374TTR

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Logic flip-flops are universally used in electronics for their well-known capability of storing digital information. 74AC374TTR is a popular logic flip-flop, which is widely used in various electronic applications. In this article, we will discuss the application field and working principle of this device.

Application Field

The 74AC374TTR is a 32-bit TTL compatible command latch such as the 8374 / 74HC374. It features logic level translation, a built-in reset signal, and can be used in a wide variety of applications such as signal routing and data storage. It is mainly available in the form of a small, inexpensive, low-power integrated circuit. In addition, it can also be used for analog signal processing or pulse-width modulation (PWM) control, as well as a bridge for converters and clock switching.

The 74AC374TTR has several advantages. Firstly, it offers a wide supply voltage range of \( 2.5 -5.5V \). Secondly, it supports logic level translation, ensuring compatibility with commonly used logic levels. Thirdly, the device is cost-effective and exhibits superior performance. Furthermore, it uses the popular DIP or DSO (Dual In-line Package or Small Outline) packaging format. Its average operating current is only 45mA, making it even suitable for battery-powered devices.

Working Principle

The 74AC374TTR is equipped with two flip-flops: one to hold the data, and the second to control the register, known as the enable/disable flip-flop. When the enable signal is applied, the data will be loaded into the register and stored in the master latch until the signal is cleared.

The signal is then routed to two 3-state buffers, one for the output values and the other for the inverted output. The buffers then form the output of the device. When the enable signal is low, the outputs of both buffers are set to the three-state mode. The enable/disable flip-flop restricts the flow of data through the enable signal. When the enable signal is held low, the data will remain stored in the register, until the signal is set to high again.

The device also contains a reset signal. It can be used to clear the stored information when the device experiences errors or malfunctions. The stored data can also be reset periodically for data refreshing or other conveniences.

The 74AC374TTR is a highly reliable and cost-effective flip-flop device. Its short response time and low power consumption make it a suitable solution for various electronic applications. With its logic level translation and wide supply voltage range, it can be used in various equipment that requires fixed and controllable data storage.

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