74HC573DB,118

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Logic - Latches is a class of latch circuits which contain electronics that trigger outputs dependent upon the combination of incoming input signals. The 74HC573DB,118 is an 8-bit octal D-type latch, with a latch enable (LE) feature, part of the Logic - Latches family of devices. It operates on a 2.7-5.5 volt supply, and comes in a 14-pin TSSOP or an 8-pin SOIC package.

The 74HC573DB,118 has an octal D-type latch configuration consisting of eight 3-state outputs, O1-O8, each with an associated D-type data input, DI1-DI8, and a strobe input, LE. When LE is LOW, data present at the corresponding DI1-DI8 inputs is stored in the latch, and when LE is high, the stored data appears at the corresponding O1-O8 outputs regardless of the logic levels at DI1-DI8. All outputs are in a high-impedance state if LE is held HIGH and all outputs retain the last state whenever LE goes LOW. The mechanism of operation is shown below in Figure 1.

The 74HC573DB,118 is almost the same as the 74HC573 except for the enable latch feature. It allows output enable control of each data bit. Consequently, section D can hold the output data (Q) when the data bit is enabled/disabled.

The 74HC573DB,118 can be used in various applications. For instance, it can be used to store 8 bits of data from a microcontroller and output it to a LCD display or another device. It can also be used in industrial electronics such as on/off switches, and motors and lights controllers. In addition, it can be used in electronic testing equipment like oscilloscopes and logic analyzers.

The relative simplicity of the 74HC573DB,118 as well as its wide range of applications make it a valuable electronic component. Its unique logic - latches configuration enables it to be used in different systems, allowing designers to make the most of the 74HC573DB,118 and its capabilities.

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