National Instruments NI 5401 - page 41

Appendix A Specifications
© National Instruments Corporation A-3 NI 5401 User Manual
Waveform Specifications
Memory..................................................16,384 16-bit samples
Segment length.......................................16,384 samples, exact
Segment linking (instruction FIFO)....... 512 links
Timing I/O
Update clock.......................................... Internal, 40 MHz only
Frequency locking
External reference sources.............. Input connector, RTSI clock line,
or internal
Reference clock frequencies........... 1 MHz, 5–20 MHz in 1 MHz steps
Frequency locking range.................±100 ppm
Triggers
Digital Trigger
Compatibility ........................................TTL
Response ............................................... Rising edge
Pulse width (Td1)....................................20 ns min
Trigger to waveform
output delay (Td2)...................................28 sample clocks + 150 ns max
RTSI
Trigger lines ..........................................7
Clock lines..............................................1
Bus Interface
Type....................................................... Slave
Operational Modes
Type....................................................... Single, continuous, stepped