Chapter 4 Signal Connections
©

National Instruments Corporation 4-7 PCI-6023E/6024E/6025E User Manual

Table4-2 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
atV)
Rise
Time
(ns) Bias
ACH<0..15> AI 100 G
in
parallel
with
100 pF
42/35 ±200 pA
AISENSE AI 100 G
in
parallel
with
100 pF
40/25 ±200 pA
AIGND AO — —
DAC0OUT
(6024E and 6025E only) AO 0.1 Short-circuit
to ground 5 at 10 5 at -10 8
V/µs
DAC1OUT
(6024E and 6025E only) AO 0.1 Short-circuit
to ground 5 at 10 5 at -10 8
V/µs
AOGND AO — —
DGND DO — —
VCC DO 0.1 Short-circuit
to ground 1A fused
DIO<0..7> DIO — Vcc +0.5 13 at (Vcc -0.4) 24 at
0.4 1.1 50 k pu
PA<0..7>
(6025E only) DIO — Vcc +0.5 2.5 at 3.7min 2.5 at
0.4 5100k
pu
PB<0..7>
(6025E only) DIO — Vcc +0.5 2.5 at 3.7min 2.5 at
0.4 5100k
pu
PC<0..7>
(6025E only) DIO — Vcc +0.5 2.5 at 3.7min 2.5 at
0.4 5100k
pu
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 DIO — Vcc +0.5 3.5 at (Vcc -0.4) 5 at 0.4 1.5 50 k pu
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
PCI.book Page 7 Wednesday, September 16, 1998 9:09 AM