4-digit counter module

This compact four-digit digital counter is suitable for any application, such as clocks, frequency meters, digital voltmeter, tachometers, stop-watches, scoreboards, etc. The counter module provides a reset switch and a carry output signal. The maximum count of the module depends on which version of the IC used: • the MM74C926 pulls its carry output high when[…]

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Digital pattern generator

Digital pattern generator: During the construction and testing of digital circuits, there is often a need for an accurately defined bit pattern. The generator described here uses an EPROM to store the bit information for the desired pattern. When switch S1 is pressed, a given pattern is generated once; seven different patterns can be generated simultaneously. The eighth[…]

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