74ALVC573D,118

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Logic-Latches is essential category in digital technology. Within it, the 74ALVC573D,118 is a very important kind of device. It is a single 5-input latch, with the power of keeping individual logic level independent of other gates’ level. This device is intended to be used with TTL-level logic. It is also available in these versions: “Rapid LVTTL-LVCMOS” and “ultra-low-volatge CMOS.” In addition, it has different grades according to the static-dynamic current specification. Some of its characteristics include: output drive capacity of 10 LSTTL loads; power supply voltage of 3.6V with +20/-40% tolerance; “off-the-shelf” available in plastic “D”, small Outline Packages; and Schmitt-trigger input logic levels. Moreover, it is equipped with Buffered outputs and 5-input Latch function.The 74ALVC573D,118 application field covers a wide range of uses. As output configuration, one of its most common applications is memory circuit. It is also employed in many different circuits as level-triggered flip-flops, shift registers, multiplexers, latches, and clocked latches. Furthermore, it plays a basic role in programmable logic circuits, usually as state machine.To those who are familiar with its structure, working principle of the 74ALVC573D,118 is not complicated. Its features include two 2-input NAND gates per package and two 4-input latches, that allows the alteration of logic values independently from each other. Generally, its inputs are put in order according to number: A0, A1, A2, A3 and A4, with the letter A referring to the 4-input latch operations, and number’s 0-4 corresponding to the inputs. The 4-input latch allows for the changing of the logic level of two outputs, that is the Q and /Q outputs. This is done by asserting the level at the C (clock) input. The level of the output is independent of the other NAND gate. The output data can be “latched” any time. All this is working due to the cross-coupled NAND gates, also known as “latch”.In addition, data transfer operations rely on pulse triggered latches and a stable changing of the output levels is produced by a clock (input C). When data is transferred, input levels of A0, A1 and A2 would become 1, 0 and 0. Data will then be “latched”. These data are mostly stored but can also be used for operations such as multiplexers or shift registers. In conclusion, the 74ALVC573D,118 is an important device in the logic-latches category. It is widely used in many applications and, with its 5-input latches, offers a great and versatile level of control. Its broad field of application and its easy to use characteristics, make it one of the most desirable devices in digital systems.

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