The HP 16542A is a 2-Mbyte, 100-MHz State/Timing Logic Analyzer module for the HP 16500A Logic Analysis System. The HP 16542A master offers the minimum configuration of 16 data channels, 1 clock input, and 1 clock/clock qualifier. Up to five HP 16542As can be connected to provide 80 channels of 1M deep data acquisition or 8 channels of 10M deep data acquisition using the E2430A Memory Expansion Interface.