M74HC533RM13TR

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The M74HC533RM13TR, categorized as a Logic-Latch, is a high-performance CMOS logic device that features two completely independent 4-bit latches integrated in one package. The device’s dual-latch design allows use of two 4-bit data words, with or without clock synchronization, for different application purposes. Each 4-bit latch is composed of two bidirectional inverters connected in opposite direction with common input/outputs, offering users a range of data manipulation capabilities.

The device is constructed using silicon gate CMOS technology offering a very high speed performance. It offers a wide range of input and output voltages, with fan-out configurations over the voltage ranges of 1.65V (Vred) to 5.5V (Vcc). The 4-bit latches include those interfaces that meet JEDEC Acceptance Standard JC11.

The M74HC533RM13TR offers a broad range of application fields—whether used as memory, shift registers, serial and parallel data inputs/outputs, delay lines, address decoding registers or as general purpose combinational circuit. It is suitable in most applications where data-to-clock synchronization is preferred, such as in digital systems.

The device operates with a five-volt power supply, or any other voltage that lies within the voltage range of 1.65V (Vred) to 5.5V (Vcc). It features very low power consumption, making it suitable for use in applications where battery-sourced supplies are necessary. It also offers high noise immunity, even when operating at frequencies up to 40MHz, giving it a wide range of applications in telecommunications, computers and other digital systems.

The M74HC533RM13TR works on the principle of data-to-clock synchronization. Data is stored in the latch when the signal CLK goes high, and is available at the output when CLK is low. All four bits in the latch are part of this process, so the entire word of data must be loaded in one operation when CLK is high. This type of synchronization is useful in digital systems in which it is desirable to transfer data only when the signal from the clock is high.

The device features two different specific operations for the bidirectional inverters. Firstly, the devices can be used as a D-type latch, whereby the data is held when the CLK signal is low. It then can be used as a data flip-flop, whereby the data is held when the CLK signal is high. The device has two sets of power/ground pins, independent of each other, where Vcc1 pin can be powered with any voltage between 1.65V to 5.5V, while Vcc2 pin can be powered with the same voltage as the Vcc1 pin, or with another voltage within the same range.

In simple terms, the M74HC533RM13TR is an integrated device typically used with data-to-clock synchronization, where data is processed and stored, depending on the status of the CLK signal. As long as both the CLK signal and data input signals are present, the device will store the data in the latch and make it available for further processing. As the device is constructed using CMOS technology, it offers a wide range of application possibilities.

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