Specifications

Introduction 3
4 auxiliary digital input and output channels (cPCI-7200 only)
Diode terminators for 32 input channels and control signals
(cPCI-7200 only)
Multiple interrupt sources are selectable by software
1.3 Specifications
Digital I/O (DIO)
Channel: 32 TTL compatible inputs and outputs
Device: TTL74F273 and TTL74F373
FIFO: 8 words (32-bit) (for PCI-7200)
2K + 8 words (32-bit) (for cPCI-7200)
Input Voltage:
Low: Min. 0V; Max. 0.8V
High: Min. +2.0V
Input Load:
Low: +0.5V @ -0.6mA max.
High: +2.7V @+20µA max.
Output Voltage:
Low: Min. 0V; Max. 0.5V
High: Min. +2.7V
Driving Capacity:
Low: Max. +0.5V at 24mA (Sink)
High: Min. 2.4V at -3.0mA (Source)
Auxiliary Digital I/O (AUXDIO)
Channel: 4 TTL compatible inputs and outputs
Device: TTL74F244
Programmable Counter
Device: 82C54-10
Timer Pacer: 16-bit/32-bit timer (two 16-bit counter cascaded
together) with a 4MHz time base
Counter: One 16-bit counter with a 4MHz time base
Pacer Output: 0.00046 Hz ~ 2 MHz
General Specifications
I/O Base Address: 32 consecutive address location for PCI-
7200, 36 consecutive address location for cPCI-7200
Operating Temperature: 0° C ~ 50° C