Table 4-3. I/O Signal Summary - National Instruments 6023E User Manual

Signal Name
ACH<0..15>
AISENSE
AIGND
DAC0OUT
(6024E and 6025E only)
DAC1OUT
(6024E and 6025E only)
AOGND
DGND
VCC
DIO<0..7>
PA<0..7>
(6025E only)
PB<0..7>
(6025E only)
PC<0..7>
(6025E only)
SCANCLK
EXTSTROBE*
PFI0/TRIG1
PFI1/TRIG2
PFI2/CONVERT*
PFI3/GPCTR1_SOURCE
© National Instruments Corporation
Table 4-3 shows the I/O signal summary for the 6023E, 6024E, and 6025E.

Table 4-3. I/O Signal Summary

Signal Impedance
Type and Input/
Direction Output
AI 100 GΩ
in
parallel
with
100 pF
AI 100 GΩ
in
parallel
with
100 pF
AO —
0.1 Ω
AO Short-circuit
0.1 Ω
AO Short-circuit
AO —
DO —
0.1 Ω
DO Short-circuit
DIO —
DIO —
DIO —
DIO —
DO —
DO —
DIO —
DIO —
DIO —
DIO —
Protection
(Volts) Source
On/Off (mA at V)
42/35 —
40/25 —
— —
5 at 10
to ground
5 at 10
to ground
— —
— —
1A fused
to ground
V cc +0.5 13 at (V cc -0.4)
V cc +0.5 2.5 at 3.7min
V cc +0.5 2.5 at 3.7min
V cc +0.5 2.5 at 3.7min
— 3.5 at (V cc -0.4)
— 3.5 at (V cc -0.4)
V cc +0.5 3.5 at (V cc -0.4)
V cc +0.5 3.5 at (V cc -0.4)
V cc +0.5 3.5 at (V cc -0.4)
V cc +0.5 3.5 at (V cc -0.4)
4-7
Chapter 4 Signal Connections
Sink Rise
(mA Time
at V) (ns) Bias
— — ±200 pA
— — ±200 pA
— — —
5 at -10 10 —
V/µs
5 at -10 10 —
V/µs
— — —
— — —
— — —
24 at 1.1 50 kΩ pu
0.4
2.5 at 5 100 kΩ
0.4 pu
2.5 at 5 100 kΩ
0.4 pu
2.5 at 5 100 kΩ
0.4 pu
5 at 0.4 1.5 50 kΩ pu
5 at 0.4 1.5 50 kΩ pu
5 at 0.4 1.5 50 kΩ pu
5 at 0.4 1.5 50 kΩ pu
5 at 0.4 1.5 50 kΩ pu
5 at 0.4 1.5 50 kΩ pu
6023E/6024E/6025E User Manual