SN74ACT533NSR

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In the field of logic, latches are important components. They are used to hold bi-stablestate information. SN74ACT533NSR is a latch, which integrated inside the SN74ACT533NSR, 8-bit latches are available to store analog and digital signal. This latch is a Product of Texas Instruments which specially designed for computers, consumer electronics, automotive and other types of industries. It has a high-speed performance with low power consumption, which makes it more suitable for a wide range of applications. In this article, let\'s take a look at the application field and working principle of this product.

Application Field of SN74ACT533NSR

The SN74ACT533NSR is based on the standard 8-bit parallel interface and has high transmission speeds of more than 1Mbit/s. To be more specific, it is a static CMOS high-speed data selector / multiplexer which has very low power consumption around 2.2µA/channel. This makes it fit for low-power applications. Thanks to its small size of 8 pin SOIC, it is suitable for any space-constrained PCB layout, which makes it suitable for a wide range of applications. Here are some typical application fields:

• Computer buses
• Networking systems
• Consumer electronics
• Automotive applications
• Interface for data transfer and communication
• Control of motors, pumps, valves and sensors
• Etc.

Working Principle of SN74ACT533NSR

The latch of SN74ACT533NSR is based on standard CMOS technology and 8-bit parallel interface. It is used to store analog and digital signals. It runs off a voltage of 2.7V to 3.6V and works at temperature range of -40°C to 85°C. It comprises of two parts-pins and layout. This interface helps in the transmission of the data from one point to another without any difficulty. The total power dissipation of this product is only 355mW. Below is the illustration of the latch structure.

The latch structure has 8 pins which includes - input latch A, input latch B and 6 parameters for selection. Its D flip flop design offers fast data selection with fewer components. All these pins are controlled by master control pin C. This pin has 2 logic levels based on which latch has 2 states - Enable (H) and Disable (L). In Enable state, data transfer is enabled and latch is in High Impedance mode. In Disable state, data will be stored and the latch will be disabled. It will be easier to understand the working principle when we take a look at the function table below.

As we mentioned earlier, pin C is used to control the latch. When it is in enabled state (H), data transmission will be enabled. In this state, the latch is in high impedance mode so that the data is passed through with no interference. When pin C is in disabled state (L), the data will be stored and the latch will be disabled. This means that the data will be held in the latch and will not be passed through. In this state, it can be used to store data temporarily, or it can be used to multiplex multiple datasources. It is important to remember that the data will still be held in the latch until the control pin is re-enabled.

Conclusion

The SN74ACT533NSR is a static CMOS high-speed data selector/multiplexer which is based on the standard 8-bit parallel interface. It has a high-speed performance with low power consumption and a small size, making it suitable for a wide range of applications. With its easy to understand function table, anyone can quickly understand the principle of the SN74ACT533NSR and its common use cases. If you are looking for an efficient and reliable latch, then SN74ACT533NSR is definitely worth considering.

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