ComputerBoards CIO-DIO48H Specifications

48 Digital I/O bits
Emulates 8255 mode 0
High output drive

Digital I/O Specifications:
I/O bits: 48
Configuration: 24 I/O bits divided into two 8-bit and two 4-bit ports
Input specs: TTL family
Output specs: STTL family
Sink: 64 mA min. at 0.55 V max
Source: 15 mA min at 2.5 V min

Detailed Specs (213k PDF)
User Manual (615k PDF)
ComputerBoards Linux Drivers (Warren Japser)

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