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Configuration and Installation Chapter 2
© National Instruments Corporation 2-14 Lab-NB User Manual
Mode 1 Input Timing
The following figure illustrates the timing specifications for an input transfer in mode 1.
DATA
RD *
INTR
IBF
STB *
T1
T2
T4
T7
T6
T3
T5
Name Description Minimum Maximum
T1 STB* pulse width 100 –
T2 STB* = 0 to IBF = 1 – 150
T3 Data before STB* = 1 20 –
T4 STB* = 1 to INTR = 1 – 150
T5 Data after STB* = 1 50 –
T6 RD* = 0 to INTR = 0 – 200
T7 RD* = 1 to IBF = 0 – 150
All timing values are in nanoseconds.