The 4066 merely contains CMOS transfer gates - that is, simple switches whose series resistances (when open) are in the order of some 1-200 ohms. There are no buffers in the 4066. In the theoretical experiment below, the open 4066 gate could just be substituted by a regular 1..200 ohm resistor. On 2015-10-26 22:03, Leif Bloomquist wrote: > What happens if both sides of a 4066 channel are connected to an > output though? (since it's possible to configure both the Arduino > and CIA as outputs). > > > > On Sun, Oct 25, 2015 at 1:17 PM, Gerrit Heitsch > <email@example.com> wrote: >> On 10/25/2015 06:05 PM, Leif Bloomquist wrote: >>> >>> >>> I looked into buffers but was unable to find a through-hole >>> *bidirectional* buffer, so I'll stick with this approach unless >>> someone has a different solution? >> >> >> How about a 4066? Yes, it's a switch, but if you just tie the Enable signal >> to +5V it becomes a buffer. If it's fast enough for controlling access to >> the color RAM in the C64, it should be fast enough anything I/O-related. >> >> Gerrit >> >> >> >> >> Message was sent through the cbm-hackers mailing list > > Message was sent through the cbm-hackers mailing list > Message was sent through the cbm-hackers mailing listReceived on 2015-10-26 23:00:08
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