Using 4XXX family for new designs

[John E Blacet]

I wouldn't worry about 4XXXX series CMOS devices. The HCs should be OK
also. Remember that the HCs are 5V only while the 4XXXX can go to 15V.
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Regards.
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John Blacet
Blacet Research Music Electronics
http://www.blacet.com
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blacet at monitor.net
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