ADLINK PCI-7300A - Manual (Page 15)

Introduction 3
1.3 Specifications
Digital I/O (DIO)
X Numbers of Channel: 32 TTL compatible inputs and/or out-
puts
X
Device: IDT 74FCT373
X
I/O Configurations:
Z
16 DI & 16 DO
Z
32 DI
Z
32 DO
Input Voltage:
X Low: Min. 0V; Max. 0.8V
X High: Min. +2.0V
Input Load:
X
Terminator OFF:
Z Low: +0.5V @
±
20 mA
Z
High: +2.7V @
±
1 mA max.
X
Terminator ON:
Z
Termination resistor: 110 Ohms
Z
Termination voltage: 2.9V
Z Low: +0.5V @
±
22.4mA
Z
High: +2.7V @
±
1mA max.
Output Voltage:
X
Low: Min. 0V; Max. 0.5V
X
High: Min. +2.7V
Driving Capacity:
X Low: Max. +0.5V at 48mA (Sink)
X High: Min. 2.4V at -8 mA (Source)
Hysteresis: 500mV
Transfer Characteristic
X Mode: Bus Mastering DMA with Scatter/Gather
X Data Transfers: 8/16/32-bit input or output (programmable)