ADLINK PCIe-7200 - Manual (Page 12)

Introduction 3
1.3 Specifications
Digital I/O (DIO)
 Number of DI Channels: 32 TTL compatible
 Number of DO Channels: 32 TTL compatible
 Data Transfer Mode
 Program I/O
 Internal timer pacer transfer
 External I_REG strobe input
 Handshake data transfer
 Maximum Transfer Speed:
 3MHz (12MB/sec) by external clock, handshake or
external strobe
 2MHz (8MB/sec) by internal timer pacer transfer
 FIFO:
 Eight words (32-bit) (for PCI-7200/PCIe-7200)
 2k + 8 words (32-bit) (for cPCI-7200 Digital input chan-
nels)
 Input Voltage:
 Low: Min. 0V; Max. 0.8V
 High: Min. +2.0V
 Input Load:
 Low: +0.5V @ -0.6mA max.
 High: +2.7V @ +20

A 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)