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Appendix A
Specifications
This appendix lists the specifications of the PC-TIO-10. These specifications are typical at 25° C,
unless otherwise stated. The operating temperature range is 0° to 70° C.
I/O Connector Electrical Specifications
I/O Signal Ratings
Absolute maximum voltage rating
Input Signal Specifications
Input logic high voltage, all inputs
Input logic low voltage, all inputs
Input current, Am9513A
(0 < V in < 5.25 V)
Input current, MC6821, Port A
(0 < V in < 0.8 V)
Input current, MC6821, Port A
(2.0 < V in < 5.25 V)
Input current, MC6821, Port B
(0.4 < V in < 2.4 V)
Input current, MC6821, EXTIRQ1
and EXTIRQ2 (0 < V in < 5.25 V)
Pulse width, Am9513A, source inputs
Pulse width, Am9513A, gate inputs
Pulse width, MC6821, EXTIRQ1
and EXTIRQ2
Output Signal Specifications
Pin 34 at +5 V
Note: The total current output from pin 34 may be limited by the available current from your
computer's power supply. To determine the available current, subtract the maximum
power consumption of the board from the maximum current per slot. The difference, if
less than 1 A, is the maximum current available to pin 34. If the difference is equal to or
greater than 1 A, the maximum current available is restricted by the limitations of the
connector, as shown previously.
© National Instruments Corporation
-0.3 to +7.0 V with respect to GND
Minimum
2.0 V
0.0 V
-10 µA
–
–
–
–
70 nsec
145 nsec
100 nsec
1.0 A maximum
A-1
Maximum
5.25 V
0.8 V
10 µA
-2.4 mA
-400 µA
10 µA
2.5 µA
–
–
–
PC-TIO-10 User Manual
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