Fwd: Unibus disk controller with modern storage

Noel Chiappa jnc at mercury.lcs.mit.edu
Thu Oct 20 17:05:50 CDT 2016

    > From: David Bridgham

    > the right threshold voltage to meet the receiver spec

The UNIBUS spec says the 4 crucial receiver parameters are input thresholds
(high and low), and the input currents (high and low); the crucial
transmitter parameters are the output low voltage (at 50 mA sink), and
the output high leakage current.


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