74HC259D-Q100,118

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Logic Latches, including a variate of products, all fall under the broad, umbrella term of latches and flip-flops. 74HC259D-Q100,118 is a latch, a device that is used to temporarily store information. Unlike a regular switch, a latch is designed to keep its input data stored until any external control is applied. It has a great flexibility, allowing it to manage data in any order with just one single external clock input.

Application Field

As a latch, 74HC259D-Q100,118 can be widely used in various fields, such as control and timing activities, large-scale logic design (including computers, communications, and industrial controls), instrumentation and measuring instrument, development boards and programmable logic controllers (PLCs). For example, 74HC259D-Q100,118 is often used as a data timing controller in integrated circuits and in electronic projects to assume the function of hardware interfacing.

Working Principle

The 74HC259D-Q100,118 operates under both Preset and Clear condition. In the preset operation, the presets (PRES) load the flip-flop with a logic rung, while the clear operation releases the level from the flip-flop. During operation the output of the latch changes depend on the input type. Commonly, the latch is enabled when both PRES and CLR are low, and other enable modes can be selected through the ENTR pin. The state at the outputs (Q1-Q8) depends on state on the data inputs (D1-D8).

As a logic latch, the output of 74HC259D-Q100,118 is synchronized with the clock fed through the two input levels. The clock signals at the Preset and Clear inputs have no effect since the former sets the flip-flops data to ‘1’ and the latter sets the state to ‘0’. Along with being a complex configuration, it has relatively fast speeds making it ideal for use in high-speed logic designs.

This 8 bit latch works on an asynchronous type of operation. WITH this, it signals the output based on the inputs and executes the command based on the rising and the falling of the clock signals. Its clock inputs could either be a positive edge-triggered (default) or negative edge-triggered. It has an enable pin that can be used to control when to enable the flip flop and when to disable it.

Final Verdict

The 74HC259D-Q100,118 offers a high level of reliability and speed for a wide range of applications. It is cost effective and offers a large range of configurability to the user. It is essential for users who require a reliable and affordable option to store and process data. Additionally,its low-power consumption is ideal for low-power application.

The specific data is subject to PDF, and the above content is for reference