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80 Channel VME Digital Input / Output Card with Interrupts
PAS 9795/DIO - Precision Analog Systems Co. (Precision)
The PAS 9795/DIO is a VME based, 80 Channel, TTL level, Digital Input / Output card. Sixty-four of the channels are arranged as eight byte wide bi-directional data ports. Each port consists of an eight-bit output data register with output enable, and an eight bit input buffer. The input buffers always monitor the state of the I/O lines, and the output data registers can either drive the I/O lines, or disconnect from the I/O by assuming a high impedance state.
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16 Channel 16 Bit VME Analog Output Card
PAS 9716/AO-SMT - Precision Analog Systems Co.