74HCT280D,652

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Parity Generators and Checkers have been widely used in communications and computing systems since the 1970s. The 74HCT280D, 652 is one of the most popular parity devices in use today. It is designed to generate, detect and store an odd/even parity bit for transmitted or stored data.

The 74HCT280D, 652 uses a combination of logic and timing functions to generate and detect parity in data streams. It is capable of operating at speeds up to 20MHz, making it suitable for a variety of applications. The chip features a parity generator and detector, a dual-purpose 1-bit shift register and a set of control inputs.

The parity generator works by taking in a binary data stream and performing an Exclusive OR (XOR) operation on each bit. The result is a one-bit parity that is stored and compared to the incoming data. If the parity bit is different to the incoming data, an ‘error’ signal is generated.

The parity detector operates in a similar way, but in reverse. It takes the incoming data stream and checks it against the stored parity bit. If the parity bit is different from the incoming data, an ‘error’ signal is generated.

The dual purpose 1-bit shift register enables the data stream to be delayed or shifted, as required. This provides additional functionality to the device, allowing it to be used for a variety of different applications.

The 74HCT280D, 652 is suitable for many different applications, including communication systems, computing systems and industrial equipment. It can be used to generate and detect parity in data streams, as well as providing timing functions. The device is also highly reliable, with a low failure rate.

In conclusion, the 74HCT280D, 652 is a versatile and reliable device that can be used for generating, detecting and storing an odd/even parity bit in data streams. It is suitable for a variety of applications and offers a high level of reliability and performance.

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