+Guitarman Posted September 18, 2007 Share Posted September 18, 2007 (edited) Here is an e-bay auction selling a SIO2PC using the Texas Instruments SN75189AN Quad Line Receiver. Is this a new design or is there a schematic for this version somewhere?? Edited September 18, 2007 by Guitarman Quote Link to comment Share on other sites More sharing options...
a8isa1 Posted September 18, 2007 Share Posted September 18, 2007 75189 is just the SMT sized version of 14C89, I believe. - Steve Quote Link to comment Share on other sites More sharing options...
classics Posted September 18, 2007 Share Posted September 18, 2007 The 75189 is functionally the same as the 1489 with a few small differences like input impedance, so this is probably a standard hand assembled SIO2PC interface. Quote Link to comment Share on other sites More sharing options...
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