Appendix A Specifications
©
National Instruments Corporation A-5 DAQArb 5411 User Manual
Marker Output
Types .................................................TTL
Location .............................................User defined, one per stage
Pulse width (Td4) .. .. .. .. .... ... .. .. .... .. .. .. ... 8 sample clock periods
Arb output delay from marker (Td3)....50 ns max
Digital Pattern Output
Sample rate.........................................40 MHz max
Resolution ......................................... .16 bits
Sample clock logic................... .. .... .. .. . TT L
Clock pulse HIGH time...................... . 25 ns fixed
(for clock interval counts > 1)
PCLK to pattern data
output time (Tco)........................ .. .. .... . 1 ns max
Digital pattern logic ............................TTL
Logic level output ratings for
SYNC, marker, digital pattern, and
sample clock outputs........................
Type Min Max
VOH 3.0 V –
VOL –0.7 V
IOH – 1.0 mA
IOL – 1.0 mA
VOH = voltage output for logic level 1
VOL = voltage output for logic level 0
IOH = current output for logic level 1
IOL = current output for logic level 0