Unexpected floppy behavior...

Wai-Sun Chia waisun.chia at gmail.com
Mon Mar 21 22:52:30 CST 2005


On Mon, 21 Mar 2005 17:06:51 -0800 (PST), Eric Smith <eric at brouhaha.com> wrote:
> Note that one is supposed to use 48 mA drives.  Suggested drivers are
> the 7438 quad 2-input NAND buffer, or the 7406 or 7407 hex inverting
> or non-inverting buffer.  The 74LSxx, 74HCxx, 74HCTxx, etc.
> "equivalents" are NOT acceptable, as they have significantly lower
> rated drive current.  Fortunately the 7406, 7407, and 7438 are still

How low? 2x?
What if one were to parallel the drivers (perhaps in piggyback manner)?

/wai-sun



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