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A-4
Specifications
Interrupts
(cont.)
Levels
2 to 7, none;
jumper selectable
2 to 7, none;
jumper selectable
2 to 7, none;
jumper selectable
Control
Occurrence of
interrupt is
latched. Latch
output may drive
selected host
interrupt line
active. Interrupts
are enabled,
masked, and reset
through software.
Occurrence of
interrupt is
latched. Latch
output may drive
selected host
interrupt line
active. Interrupts
are enabled,
masked, and reset
through software.
Occurrence of
interrupt is
latched. Latch
output may drive
selected host
interrupt line
active. Interrupts
are enabled,
masked, and reset
through software.
Digital I/O
Number of inputs
3 (IP1 / TRIG
to IP3)
3 (IP1 / TRIG
to IP3)
3 (IP1 / TRIG
to IP3)
Number of outputs
4 (OP1 to OP4)
4 (OP1 to OP4)
4 (OP1 to OP4)
Input/output levels
TTL compatible
TTL compatible
TTL compatible
Output high voltage
2.7 V, minimum
at
−
0.4 mA
2.7 V, minimum
at
−
0.4 mA
2.7 V, minimum
at
−
0.4 mA
Output low voltage
0.5 V, maximum
at 8.0 mA
0.5 V, maximum
at 8.0 mA
0.5 V, maximum
at 8.0 mA
Input high voltage
2.0 V, minimum
2.0 V, minimum
2.0 V, minimum
Input low voltage
0.8 V, maximum
0.8 V, maximum
0.8 V, maximum
Input high current
25
µ
A, max.
at 2.7 V
25
µ
A, max.
at 2.7 V
25
µ
A, max.
at 2.7 V
Input low current
−
0.4 mA, max.
at 0.4 V
−
0.4 mA, max.
at 0.4 V
−
0.4 mA, max.
at 0.4 V
Input voltage range
−
0.5 V to +5.5 V
−
0.5 V to +5.5 V
−
0.5 V to +5.5 V
Digital Trigger
Latency from trigger to
start of first conversion
200 ns, max.
200 ns, max.
200 ns, max.
Table A-1. DAS-800, DAS-801, and DAS-802 Specifications (cont.)
Feature
Attribute
DAS-800
Specifications
DAS-801
Specifications
DAS-802
Specifications