HD74LV164A - 8-bit Parallel-out Serial-in Shift Register
The HD74LV164A is 8-bit shift register has gated serial inputs and clear.
Each register bit is a D-type master/slave flip-flop.
Inputs A & B permit complete control over the incoming data.
A low at either or both inputs inhibits entry of new data and resets the first flip-flop to the low level at th