MC74HC174ADTR2

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The MC74HC174ADTR2 is a type of flip-flop operated in the logic circuit. It is also known as the data latch consisting of NAND Schmitt trigger logic circuit and logic gating. It is designed in a 14-pin dual in-line-package (DIP) and operated with a wide power supply range of 3V to 18V. It is of the advanced low-power Schottky TTL (ALS) technology.

The MC74HC174ADTR2 consists of an 8-bit D-type flip-flop with an output of Q1 to Q8. The output is clocked on the rising or falling edge of the clock input, depending on the state of the set/reset (S/R) input. When the S/R input is in the HIGH state and the clock input is in the LOW state, the output Q is HIGH. When the clock input goes high, it latches the data until the S/R input goes LOW.

Application Field

The MC74HC174ADTR2 can be used as general purpose flip-flops in various digital circuits, such as shift registers, parallel-to-serial converters, pulse counters and other logic applications. It can also be used as a memory element in memory systems, where the data is stored in the flip-flop and is retrieved when the clock input is triggered.

The MC74HC174ADTR2 is widely used in microcontroller based systems and embedded systems to store the data. The low on-state resistance of MC74HC174ADTR2 allows the user to minimize power consumption in the logic circuits. It is also widely used in telecommunications, data transmission, and industrial automation devices.

Working Principle

The MC74HC174ADTR2 data latch consists of an 8-bit D-type flip-flop and with D, CLK, SET/RESET and Q output pins. The D pin is the data input to the latch, which transmits the data from the associated logic gate to the flip-flop. The CLK pin is the clock input where the data is latched when the clock input is triggered. The SET/RESET pin is the control input, which allows the user to reset the latch.

The operation of the MC74HC174ADTR2 is described as follows; When the clock input is LOW, the output Q is LOW. When the S/R input is HIGH and the CLK input is LOW, the output Q is HIGH. When the CLK input goes HIGH, the data present at the D input is latched and the output Q is toggled from LOW to HIGH or from HIGH to LOW depending on the logic function.

The MC74HC174ADTR2 is designed with open collector outputs, which allows cascading of multiple devices in order to increase the memory size. The outputs can sink more current than the inputs, so the output state can be set to high or low without worrying about the current flow. With the help of this feature, multiple devices can be wired in series, in order to increase the ability of the system to store large amounts of data.

The MC74HC174ADTR2 is designed to withstand noise and signals interference, so that it can be used in industrial environments. It also has immunity against electrostatic discharge (ESD), which allows the user to safely use the device in harsh environments. The chip also has the capability to operate at higher switching frequencies, which makes it suitable for fast data transmission applications.

In conclusion, the MC74HC174ADTR2 is a reliable and efficient data latch that operates in the logic circuit and can be used in a variety of applications. It is designed with an advanced low-power Schottky TTL technology, which enables the user to reduce power consumption and increase the speed of the system. It is also designed to withstand the high noise and signal interference levels, which makes it suitable for use in industrial environments.

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