VTL/Dutchess logic

Henk Stegeman h.j.stegeman at hccnet.nl
Mon Oct 11 12:23:37 CDT 2010

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Hi,

VTL stands for Vendor Transitor Logic.
I (finally) found it in a S/34 hardware manual.

VTL is Texas Instrument TTL chips with IBM part numbers.

Henk 
www.ibmsystem3.nl

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