The 74HCT280D,653 is an 9-bit parity generator/checker from Nexperia. It operates from a 2 to 6V supply voltage range and has high noise immunity due to its CMOS technology. This device can be used in a variety of applications such as data transmission, error detection, and correction systems. The 74HCT280D,653 has nine I/O pins, which include eight data inputs and one parity input/output. The parity bit generated or checked by this device is even parity. It features a low power consumption and is compatible with TTL interfaces. With its compact size and high-speed operation, the 74HCT280D,653 is a reliable and efficient solution for ensuring data integrity in electronic systems