Measurement Computing PCI-DAS08 - Manual (Page 16)

PCI-DAS08 User's Guide Specifications
Interrupt sources External source (EXT INT)
Polarity programmable through PCI controller:
1 = active high
0 = active low (default)
Counter section
Table 3. Counter specifications
Parameter Specification
Counter type 82C54 device
Configuration 3 down counters, 16-bits each
Counter 0 - User counter 1 Source: Available at user connector (CTR1CLK)
Gate: Available at user connector (CTR1GATE)
Output: Available at user connector (CTR1OUT)
Counter 1 - User counter 2 Source: Available at user connector (CTR2CLK)
Gate: Available at user connector (CTR2GATE)
Output: Available at user connector (CTR2OUT)
Counter 2 - User counter 3 or Interrupt Pacer Source: Buffered PCI clock (33 MHz) divided by 8.
Gate: Available at user connector (CTR3GATE)
Output: Available at user connector (CTR3OUT) and may be
software configured as Interrupt Pacer.
Clock input frequency 10 MHz max
High pulse width (clock input) 30 ns min
Low pulse width (clock input) 50 ns min
Gate width high 50 ns min
Gate width low 50 ns min
Input low voltage 0.8 V max
Input high voltage 2.0 V min
Output low voltage 0.4 V max
Output high voltage 3.0 V min
Power consumption
Table 4. Power consumption specifications
Parameter Specification
+5 V operating (A/D converting to FIFO) 251 mA typical, 436 mA max
+12 V 13 mA typical, 19 mA max
-12 V 17 mA typical, 23 mA max
Environmental
Table 5. Environmental specifications
Parameter Specification
Operating temperature range 0 to 50 °C
Storage temperature range -20 to 70 °C
Humidity 0 to 90% non-condensing
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