All 4 channels of the Model 4222 are started by a common Trigger input. Each channel provides a programmable time delay of up to 16.7 msec in 1 nsec increments. Outputs 1 and 2, or outputs 3 and 4, can be internally coupled to generate two independent programmable time windows synchronized to the Trigger input. An external clock may be used to feed several Model 4222 modules with an identical time base. If a Clear pulse is received when a delay is being generated all outputs are reset to quiescent state and the Trigger input is enabled.
Stability determines the long-term accuracy of the time delays.
BUSY output state goes true in response to a valid Trigger and remains true until either the end of the shortest delay or the end of the longest delay as selected by an internal switch. I Disables trigger input when present. X response is generated for each valid function. Q response is generated for each valid function unless otherwise specified. 24-bit unsigned integer convention.