PI74VCX16373A

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Logic - Latches

The PI74VCX16373A, developed by Pericom Semiconductor Corporation, is a family of low-voltage CMOS+VCX/AS logic-level translators which are compatible with all popular logic families. With a voltage flowing from 1.8V to 3.6V, and a breakdown voltage up to 4.5V, the PI74VCX16373A is the perfect choice for industrial-standard signal level adaptation.

PI74VCX16373A Application Field

The PI74VCX16373A is mainly used in two distinct application fields: as a signal level converter, and as a latch device. Depending on how it is configured, it can also interface different logic class families, such as TTL, VCC, CMOS, and VCX/AS. This makes it the ideal tool for signal level adaptation, eliminating the need for different hardware components to bridge between different levels.

PI74VCX16373A As A Latch Device

The PI74VCX16373A can also be used as a latch device. This means that the device can be configured to store the logic level input from one data line, and hold it in place until a new command is given. This function is usually served by clocking signals, which designate when the data should be stored, or when the circuit should be reset. This makes it easier to manage a huge amount of data, especially for complex systems.

PI74VCX16373A Working Principle

The fundamental premises of latch device operation are fairly simple: it receives the logic level from the data line, and if the conditions for storage are met (such as those set by clocking signals) the logic level will be stored in its memory cell. This can either be a static operation, meaning that the logic level will remain unchanged until a new command is given, or it can be a dynamic operation, meaning that the logic level will continuously change as the data line changes.

Conclusion

The PI74VCX16373A is a powerful low-voltage CMOS+VCX/AS logic-level translator, and also features a latch function which makes it ideal for storing data and operating complex systems. Its wide range of compatible logic classes is an additional plus, as it provides a versatile solution for interfacing signals between different logic levels.

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