HD74LS164P


Integrated Circuit


HD74LS164P


HD74LS164 8-Bit Parallel-Out Serial-in Shift Register


This 8-bit shift register features gated serial inputs and an asynchronous clear. The gated serial inputs (A and B) permit complete control over incoming data as a low at either (or both) input(s) inhibits entry of the new data and resets the first flip-flop to the low level at the next clock pulse. A high-level input enables the other input which will them determine the state of the first flip-flop. Data at the serial inputs may be changed while the clock is high or low, but only information meeting the setup requirements will be entered. Clocking occurs on the low-to-high-level transition of the clock input.


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Sketches:

  1. HD74LS164 8-Bit Parallel-Out Serial-in Shift Register