Chapter 4 Signal Connections

DAQCard E Series User Manual 4-6

National Instruments Corporation

DGND DO — — —
VCC DO 0.45
Short-circuit
to ground 250 at Vcc — —
DIO<0..7> DIO — Vcc +0.5 13 at (Vcc -0.4) 24 at
0.4 1.1 50 k
pu1
SCANCLK DO — 3.5 at (Vcc -0.4) 5 at 0.4 1.5 50 k
pu
EXTSTROBE* DO 3.5 at (Vcc -0.4) 5 at 0.4 1.5 50 k
pu
PFI0/TRIG1 ADIO 10 k
Vcc +0.5/
±
35 3.5 at (Vcc -0.4) 5 at 0.4 1.5 50 k
pu
2
PFI1/TRIG2 DIO — Vcc +0.5 3.5 at (Vcc -0.4) 5 at 0.4 1.5 50 k
pu
PFI2/CONVERT* DIO — Vcc
+0.5 3.5 at (Vcc -0.4) 5 at 0.4 1.5 50 k
pu
PFI3/GPCTR1_SOURCE DIO Vcc +0.5 3.5 at (Vcc -0.4) 5 at 0.4 1.5 50 k
pu
PFI4/GPCTR1_GATE DIO — Vcc +0.5 3.5 at (Vcc -0.4) 5 at 0.4 1.5 50 k
pu
GPCTR1_OUT DO 3.5 at (Vcc -0.4) 5 at 0.4 1.5 50 k
pu
PFI5/UPDATE* DIO — Vcc +0.5 3.5 at (Vcc -0.4) 5 at 0.4 1.5 50 k
pu
PFI6/WFTRIG DIO — Vcc +0.5 3.5 at (Vcc -0.4) 5 at 0.4 1.5 50 k
pu
PFI7/STARTSCAN DIO — Vcc +0.5 3.5 at (Vcc -0.4) 5 at 0.4 1.5 50 k
pu
PFI8/GPCTR0_SOURCE DIO Vcc +0.5 3.5 at (Vcc -0.4) 5 at 0.4 1.5 50 k
pu
PFI9/GPCTR0_GATE DIO — Vcc +0.5 3.5 at (Vcc -0.4) 5 at 0.4 1.5 50 k
pu
GPCTR0_OUT DO 3.5 at (Vcc -0.4) 5 at 0.4 1.5 50 k
pu
Table 4-2. I/O Signal Summary, DAQCard-AI-16E-4 (Continued)
Signal Name Drive Impedance
Input/
Output
Protection
(Volts)
On/Off
Source
(mA at V) Sink
(mA at
V)
Rise
Time
(ns)
Bias