[sdiy] bypass caps for TTL

[James Patchell]

Well, they will be handy for somebody else...they will be a door prize at 
the next Synth DIY meet I go to... :-)

At 05:14 PM 3/10/2005 -0800, phillip m gallo wrote:
>Jim,
>
>Don't toss your 7406's and 7407's they are still quite handy.
>
>regards,
>p
>
>
>-----Original Message-----
>From: owner-synth-diy at dropmix.xs4all.nl
>[mailto:owner-synth-diy at dropmix.xs4all.nl]On Behalf Of James Patchell
>Sent: Thursday, March 10, 2005 5:04 PM
>To: rkmoore at memphis.edu; synth-diy at dropmix.xs4all.nl
>Subject: Re: [sdiy] bypass caps for TTL
>
>
>Ceramic Multi layer, .1uF is what I always used...TTL...talk about
>retro.  I am packing up all of my old TTL chips and getting ready to
>"dispose" of them.  I pretty much consider them to be fairly useless these
>days.
>
>          Trouble is, in my collection, I have some rather unique ones.  The
>most unique?....Well that would be some SN74S482s which are a 4 bit slice
>micro code sequencer chip.  I also have a few SN74ALS384 and SN74ALS385s
>which are a serial multiplier and a serial adder/subtractor chips
>respectfully.  Still trying to decide what to do with the more rare
>chips.  I also have a whole bunch of 74F169 four bit up/down counters that
>I was at one time thinking of making into a top octave generator...but that
>kind of job is now left to FPGA's...
>
>          -Jim
>
>At 09:14 AM 3/10/2005 -0600, rkmoore at memphis.edu wrote:
> >Hi everyone,
> >
> >I'm working on a project for school that uses lots of TTL IC's.  I
> >remember hearing that I should probably use bypass capacitors between
> >the +Vcc and ground on each IC.  What type of caps should I use and
> >what value?  Any suggestions?
> >
> >Thanks,
> >
> >Richard Moore
>
>          -Jim
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>http://www.oldcrows.net/~patchell
>
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>
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         -Jim
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