CMOS Parallel I/O Port, 16 I/O, 40-PDIP
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The HD63B21P is a CMOS Parallel I/O port manufactured by HITACHI. This device provides 16 bidirectional input/output lines for interfacing with peripheral devices. Housed in a 40-PDIP package, it offers a convenient solution for expanding the I/O capabilities of microprocessors and microcontrollers.
The HD63B21P Parallel I/O port is commonly used in systems requiring expanded digital interfacing. Its versatility makes it suitable for a variety of control and data acquisition applications where communication with external peripherals is necessary.