MC74VHCT573ADTG

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Logic Latches are useful structures for storing meaningful information such as the values of a register or memory location, allowing the user to alter the data being stored. They generally consist of two active elements; the latch and the control input. The data is retained in the latch and can only be changed by the control input, reset or preset pins. The latch can prevent or allow the data to change depending on the logic. One example of this type of latch is the MC74VHCT573ADTG, a Dual 4-bit static Edge-triggered Flip-flop.

This specific model of latch is one of a long family of MC74VFCT digital logic devices produced by ON Semiconductor. It contains two four-bit master slave possibilities with separate clear and complementary outputs, making it highly adaptable to applications. Additionally it offers a wide supply range from ±2.0V to 18V, allowing it to be used in a variety of power systems. This dynamic latch has two 4-bit storage elements featuring transparent and edge-triggered logic input modes. It is a suitable solution for applications which require high-speed feedback to keep multiple systems synchronized or a general register or memory application.

How does the MC74VHCT573ADTG work? It operates on the basis of a set-reset interference, in which one of its Flip-flops will be set high when the S input is low and the R input is high, and reset low when the R input is low and the S input is high. The multiplexed mode allows data to be loaded in two latching possibilities for either sequential or handshake applications. It has an active-low reset input with the capability to clear either one of the latch possibilities or both latching possibilities simultaneously.

The preset and clear inputs are useful for testing and initialization purposes, allowing the user to quickly set the latch to a known state. The MC74VHCT573ADTG latch can be clocked at a high speed at up to 200 MHz while maintaining a low voltage level. Its low power-consumption also leads to it being a cost-effective solution for many applications including logic registers or memories.

Applications for the MC74VHCT573ADTG include synchronous data collection and control systems, FIFO memories, video multiplexers and demultiplexers, programmable dividers, and multiply or divide-by-N circuits. This versatile latch can also be used on the input side of high-speed logic designs to ensure that data is retained before transmission on the bus.

The MC74VHCT573ADTG is an advanced latch with immense capabilities. It is easily integrated into most systems, provides fast switching and can be power efficient. Its low voltage operation also makes this latch ideal for applications utilizing multiple operating voltage levels.

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