HP 64700 series User Manual page 100

4-18 Using the External Analyzer
Minimum Clock Period:
– No Tagging Mode = 40 ns (25 Mhz clock).
– Event Tagging Mode = 50 ns (20 MHz clock).
– Time Tagging Mode = 60 ns (16 MHz clock).
Minimum Time from Slave Clock to Master Clock = 10 ns.
Minimum Time from Master Clock to Slave Clock = 50 ns.