SN74ACT533PWR Integrated Circuits (ICs)

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Logic circuits are used to manipulate and transfer digital signals. As a kind of logic circuit latch, SN74ACT533PWR is specifically designed to simplify the design of logic systems.

SN74ACT533PWR is a dual D-type latch with clear/reset inputs. The D-type latch can be used to store a single bit of binary data for a relatively long period of time. It has three modes of operation: normal latch operation, clear/reset operation and high impedance operation. It operates from 5Volts of supply voltage and a temperature range of -40℃ to +85℃. SN74ACT533PWR is mainly used to capture or storage data coming from the data bus or from other input devices.

As for the application field of SN74ACT533PWR, generally speaking, it is mainly used as a temporary data storage device. Its mainly applicable fields are as follows: data acquisition systems, digital control systems, sequential controllers and testers, computer-based systems and instrumentation systems.

Now let’s discuss its principle. SN74ACT533PWR consists of two D-type latches. Each latch is composed of four NAND gates and two transistors. The four NAND gates together act as a 2-input NOR gate and the two transistors act as the output driver. Its working principle is that the latch\'s clear/reset and data inputs are connected to two NAND gates; and the other two NAND gates are connected in series, acting as an inverter. One of the two NAND gates accepts input from both the data and the clear/reset input.

When the clear/reset pin is at logic 1, the output data is cleared and reset. This is because the logic 1 applied on the clear/reset input causes the two NAND gates acting as an inverter to generate a logic 0 at the output. When the clear/reset input is at logic 0, the output of the latch is solely determined by the level of the data input.

In addition, SN74ACT533PWR also has another interesting feature, which is that it has a high impedance output. When the latch\'s enable input is at logic 0, the output of both the latches becomes high impedance. This results in the latch not affecting the system level or its signals.

In conclusion, SN74ACT533PWR is a dual D-type latch with clear/reset inputs. It can be used to store a single bit of binary data for a relatively long period of time. It can be widely used in data acquisition systems, digital control systems, sequential controllers and testers, computer-based systems and instrumentation systems. SN74ACT533PWR working principle is to use four NAND gates together acting as a 2-input NOR gate and two transistors acting as the output driver. Its clear/reset and data inputs are connected to two NAND gates and the other two NAND gates are connected in series, acting as an inverter. Its enable input has a high impedance output.

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