Omega Engineering PCI-DIO96 user manual Specifications, Digital Input / Output

6 SPECIFICATIONS

Power Consumption

+5V

150 mA max

Digital Input / Output

Digital Type	Four 82C55
Number of I/O	96
Configuration per 82C55	∙ 2 banks of 8 and 2 banks of 4, or
	∙ 3 banks of 8, or
	2 banks of 8 with handshake
Output High	3.0 volts min @ −2.5mA
Output Low	0.4 volts max @ 2.5mA
Input High	2.0 volts min, 5.5 volts absolute max
Input Low	0.8 volts max, −0.5 volts absolute min
Power-up / reset state	Input mode (high impedance)
Pull-Up/Pull-Down Resistors	User installed. Dual footprint allows pull-up
	or pull-down configuration
Counter Section
Counter type	82C54
Configuration	3 counters, 16 bits each
Counter 1	Source:	2 MHz (crystal osc./8)
	Gate:	Tied to +5V
	Output:	Selectable Interrupt source
Counter 2	Source:	Counter 1 OUT
	Gate:	Tied to +5V
	Output:	Selectable Interrupt source
Counter 3 - Not used	Source:
	Gate
	Output:

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