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Chapter 4 Signal Connections
©
National Instruments Corporation 4-7 PCI-6023E/6024E/6025E User Manual
Table 4-2 shows the I/O signal summary for the PCI-6023E, PCI-6024E,
and PCI-6025E.
Table 4-2. I/O Signal Summary
Signal Name
Signal
Type and
Direction
Impedance
Input/
Output
Protection
(Volts)
On/Off
Source
(mA at V)
Sink
(mA
at V)
Rise
Time
(ns)
Bias
ACH<0..15> AI 100 G
Ω
in
parallel
with
100 pF
42/35 — — — ±200 pA
AISENSE AI 100 G
Ω
in
parallel
with
100 pF
40/25 — — — ±200 pA
AIGND AO — — — — — —
DAC0OUT
(6024E and 6025E only)
AO 0.1
Ω
Short-circuit
to ground
5 at 10 5 at -10 8
V/µs
—
DAC1OUT
(6024E and 6025E only)
AO 0.1
Ω
Short-circuit
to ground
5 at 10 5 at -10 8
V/µs
—
AOGND AO — — — — — —
DGND DO — — — — — —
VCC DO 0.1
Ω
Short-circuit
to ground
1A fused — — —
DIO<0..7> DIO — V
cc
+0.5 13 at (V
cc
-0.4) 24 at
0.4
1.1 50 k
Ω
pu
PA<0..7>
(6025E only)
DIO — V
cc
+0.5 2.5 at 3.7min 2.5 at
0.4
5 100 k
Ω
pu
PB<0..7>
(6025E only)
DIO — V
cc
+0.5 2.5 at 3.7min 2.5 at
0.4
5 100 k
Ω
pu
PC<0..7>
(6025E only)
DIO — V
cc
+0.5 2.5 at 3.7min 2.5 at
0.4
5 100 k
Ω
pu
SCANCLK DO — — 3.5 at (V
cc
-0.4) 5 at 0.4 1.5 50 k
Ω
pu
EXTSTROBE* DO — — 3.5 at (V
cc
-0.4) 5 at 0.4 1.5 50 k
Ω
pu
PFI0/TRIG1 DIO — V
cc
+0.5 3.5 at (V
cc
-0.4) 5 at 0.4 1.5 50 k
Ω
pu
PFI1/TRIG2 DIO — V
cc
+0.5 3.5 at (V
cc
-0.4) 5 at 0.4 1.5 50 k
Ω
pu
PFI2/CONVERT* DIO — V
cc
+0.5 3.5 at (V
cc
-0.4) 5 at 0.4 1.5 50 k
Ω
pu
PCI.book Page 7 Wednesday, September 16, 1998 9:09 AM