National Instruments VXI-MIO Series , Table 4-1 shows the I/O signal summary for the VXI-MIO-64E-1.

Chapter 4 Signal Connections
VXI-MIO Series User Manual 4-6  National Instruments Corporation
Table 4-1 shows the I/O signal summary for the VXI-MIO-64E-1.
Table 4-1. VXI-MIO-64E-1 I/O Signal Summary
Signal Name Drive Impedance
Input/
Output
Protection
(Volts)
Power On/Off
Source
(mA at V) Sink (mA at
V)
Rise
Time
(ns)
Bias
ACH<0..63> AI 100 G
Ω
in parallel
with
100 pF
25/15 — — —
± 200 pA
AISENSE, AISENSE2 AI 100 G Ω
in parallel
with
100 pF
25/15 — — —
± 200 pA
AIGND AI — — — — — —
DAC0OUT AO 0.1 Ω
Short-circuit
to ground 5 at 10 V 5 at -10 V 20
V/ µ s—
DAC1OUT AO 0.1 Ω
Short-circuit
to ground 5 at 10 V 5 at -10 V 20
V/ µ s—
EXTREF AO 10 k Ω
25/15 — — — —
AOGND AO — — — — — —
DGND DO — — — — — —
+5 V DO 0.1 Ω
Short-circuit
to ground 1 A at 5 V — — —
DIO<0..7> DIO — 5.5 V 13 at (4.6 V) 24 at 0.4 1.1 50 k Ω pu
1
SCANCLK DO — — 3.5 at (4.6 V) 5 at 0.4 1.5 50 k
Ω pu
EXTSTROBE* DO — — 3.5 at (4.6 V) 5 at 0.4 1.5 50 k Ω pu
PFI0/TRIG1 ADIO 10 k Ω
5.5 V 3.5 at (4.6 V) 5 at 0.4 1.5 50 k
Ω pu
2
PFI1/TRIG2 DIO — 5.5 V 3.5 at (4.6 V) 5 at 0.4 1.5 50 k
Ω pu
PFI2/CONVERT* DIO — 5.5 V 3.5 at (4.6 V) 5 at 0.4 1.5 50 k Ω pu
PFI3/GPCTR1_SOURCE DIO — 5.5 V 3.5 at (4.6 V) 5 at 0.4 1.5 50 k Ω pu
PFI4/GPCTR1_GATE DIO — 5.5 V 3.5 at (4.6 V) 5 at 0.4 1.5 50 k Ω pu