4053 datasheet
The standard PC parallel port is capable of performing just such a purpose, and has been perverted to do so by many others in the past myself included, and ironically, to control a mux in one instance . The pins are driven by line drivers for each bit, and the bits are connected directly to the connector pins. If you can locate a motherboard which has a built-in parallel port most older ones do, and older gear makes sense when hardware hacking , you should be able to drive the pins fairly easily from a userspace application, using either the ioperm outb family of services, or through the /dev/port interface.
4053 datasheet
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