SN74HC373NSR Integrated Circuits (ICs)

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The SN74HC373NSR is a type of logic latch with registered output. It is commonly used in digital circuits to store data and synchronize signals in order to ensure proper functioning of complex digital devices. The SN74HC373NSR belongs to the family of CMOS integrated circuits by Texas Instruments, known as the 74HC logic family, and is a single-gate device that allows a single output to be registered.

Application

The 74HC373NSR is well-suited to applications like digital data processing, automatic control and switching. It can be used in many digital applications such as computer mainframe systems, digital audio systems, networking systems and digital surveillance systems.

The 74HC373NSR can also be used for memory applications. Its 8-bit wide data bus enables data to be stored in D-type latches, and is also well-suited to applications requiring synchronizing signals with input and output data.

General Description

The SN74HC373NSR latch is a symmetrical dual input-output device, in which a single D-type flip-flop is included with registered output. This integrated circuit typically has an enable pin and addressable latch inputs. The enable pin is used to enable input data to be stored in the latch, while the addressable latch inputs are used to select which data is to be stored and retrieved at any given time.

Features

• Single gate with registered output
• 8-bit wide data bus capable of storing and executing instructions
• Supports synchronous latching and asynchronous latching modes.
• Data is latched on the rising edge of a clock signal
• Negative logic enable with compatible logic families
• Inputs are compatible with low-voltage TTL, low-voltage fast CMOS, or other 5V or 3V compatible levels.
• Balanced propagation delay equal to that of other CMOS devices in the series

Working Principle

When inputs are applied in the SN74HC373NSR latch, data is Latched on the rising edge of the system clock signal. Inputs are synchronized and processed once or twice per clock cycle. Depending on the type of latch that is being used, either synchronous or asynchronous latching is supported.

In synchronous latching, the latch ensures that data is synchronized as it is clocked into and out of the latch. This synchronization ensures that no data is lost and that any errors in input data are eliminated. In asynchronous latching, data is latched independently of the system clock, thereby reducing latency.

The data stored in the latch is accessible through the output pins of the device. The SN74HC373NSR latch has an enable pin that allows the user to pause input data from entering the latch by setting the enable bit to low before applying the clock. This can be useful in situations where data needs to be paused for a certain amount of time without losing the data stored in the latch.

Conclusion

The SN74HC373NSR is a powerful latch for managing and processing data in digital circuits and applications. Its 8-bit data bus enable data to be stored and synchronized, while the single-gate design ensures that output is registered. This latch also has an enable pin that allows the user to pause input data from entering the latch. The SN74HC373NSR is a highly reliable and popular choice for digital systems and applications requiring data storage and synchronizing.

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