William M Floyd: Arrangement for optimized utilization of I/O pins. United Technologies Automotive, Stephen A Schneeberger, December 9, 1986: US04628480 (63 worldwide citation)

Arrangement for the input of address data to an integrated circuit (IC) via the same input/output (I/O) terminal pins utilized for the transfer of data is disclosed. The I/O data pins each have an output data latch and an address latch connected to the respective pin and positioned internally of the ...