The Motorola MC68488  (P/N 156-1246-00) is a GPIB controller monolithic integrated circuit in a 40-pin DIL package.

MC68488 pinout (click to enlarge)

It is designed to work with MC3447 / MC3448 GPIB transceivers.


Used in

Some instruments using part MC68488

Instrument Manufacturer Class Model Description Introduced
7854 Tektronix Oscilloscope 7854 400 MHz waveform-processing scope 1980
CG551AP Tektronix Plug-in CG551AP programmable calibration generator 1980
Keithley 181 Keithley Multimeter 181 5½-digit nanovoltmeter (?)