KPCI-3101 — KPCI-3104 Series User’s Manual
lists the specifications for the C/T subsystems.
Table A-4
C/T subsystem specifications
Feature
Specifications
Number of counter/timer channels
4
Clock Inputs
Input type
Input load
High-level input voltage
Low-level input voltage
Hysteresis
High-level input current
Low-level input current
Minimum pulse width
Maximum frequency
Termination
Schmitt trigger, rising-edge sensitive
1 HCT14 (TTL)
2.0V minimum
0.8V maximum
0.4V (minimum); 1.5V (maximum)
1.0
µ
A
−
1.0
µ
A
100ns (high); 100ns (low)
5.0MHz
22k
Ω
resistor pullup to +5V
Gate Inputs
Input type
Input load
High-level input voltage
Low-level input voltage
Hysteresis
High-level input current
Low-level input current
Minimum pulse width
Termination
Schmitt trigger, level sensitive
1 HCT14 (TTL)
2.0V minimum
0.8V maximum
0.4V (minimum); 1.5V (maximum)
1.0
µ
A
−
1.0
µ
A
100ns (high); 100ns (low)
22k
Ω
resistor pullup to +5V
Counter Outputs
Output driver
Output driver high voltage
Output driver low voltage
Termination
ALS244 (TTL)
2.0V minimum (I
OH
=
−
15mA);
2.4V minimum (I
OH
=
−
3mA)
0.5V maximum (I
OL
= 24mA);
0.4V maximum (I
OL
= 12mA)
22
Ω
series resistor
Содержание KPCI-3101 Series
Страница 1: ...User s Manual KPCI 3101 3102 3103 3104 Series PCI Bus Data Acquisition Boards 98150 Rev A 10 99...
Страница 10: ...iv...
Страница 15: ...1 Overview...
Страница 21: ...2 Principles of Operation...
Страница 53: ...3 Installation and Configuration...
Страница 78: ...3 26 Installation and Configuration KPCI 3101 KPCI 3104 Series User s Manual...
Страница 79: ...4 Testing the Board...
Страница 82: ...4 4 Testing the Board KPCI 3101 KPCI 3104 Series User s Manual...
Страница 83: ...5 Calibration...
Страница 86: ...5 4 Calibration KPCI 3101 KPCI 3104 Series User s Manual...
Страница 87: ...6 Troubleshooting...
Страница 94: ...6 8 Troubleshooting KPCI 3101 KPCI 3104 Series User s Manual...
Страница 95: ...A Specifications...
Страница 107: ...B Connector Pin Assignments...
Страница 111: ...C Systematic Problem Isolation...
Страница 145: ...This page intentionally left blank...
Страница 146: ...Keithley Instruments Inc 28775 Aurora Road Cleveland Ohio 44139 Printed in the U S A...