4000 series are really much more static sensitive than bullet proof ttl there are pros and cons to everything 4000 series can use a higher VCC where ttl is 5V if you plan using 4000 series get him a wrist strap and a bench pad to attach it to grounding it all to earth.
On 6/19/2015 7:19 PM, Tapley, Mark wrote: > All, > My 14-year-old son has mentioned that he’d like a breadboard and some > parts to fool with, and the pointer below really helps. I have an old > Archerkit VOM already, and I’m thinking about turning him loose in August > with the discrete components part kit, the VOM, a box of logic parts, and a > copy of Horowitz and Hill. > Is there a reason to prefer 7400 series over CD4000 series logic? > > http://www.jameco.com/Jameco/catalogs/c151/P30.pdf > > makes the CD4000 series look cheaper. > > I also have a pair of old Tek 922 O-scopes, one of which has all of its > knobs and switches intact and produces a trace. I’ll guess that they both > need rebuilding; I have the instruction manuals, though, so maybe that is > lesson 1? Is the TekScopes group the best place to find probes for one or > both? > > I also have one of the 200-in-1 spring-termial projects; he played with > that a bit, but there wasn’t enough logic there to do much computing :-) so > he lost some interest. > > He has a Raspberry Pi, which he pretty much contempts in favor of his > laptop, which will play the modern version of MineCraft :-P, but presumably > hooking those together might be fun. > > Should I add anything else to his pile? Is there a series of logic > that’ll make things easier if he does end up hooking in the RPi? > > Thanks for any help! My own knowledge is pretty spotty in this field, > so please feel free to start near ground-zero with helpful advice. > > - Mark > > On Jun 16, 2015, at 10:50 AM, geneb <ge...@deltasoft.com> wrote: > >> On Tue, 16 Jun 2015, Mark J. Blair wrote: >> >>>> On Jun 16, 2015, at 08:19, geneb <ge...@deltasoft.com> wrote: >>>> >>>> On Tue, 16 Jun 2015, Noel Chiappa wrote: >>>> >>>>> I wish there was some _easy_ way to lay in a stock of the most common TTL >>>>> IC's - e.g. some kind of kit one could buy - but alas, I don't know of >>>>> any. >>>>> (Hence my dream of finding and acquiring someone else's collection! :-) >>>>> Suggestions for the source of such a good diversified 'starter kit' >>>>> welcome... >>>>> >>>> How about this: >>>> http://www.jameco.com/webapp/wcs/stores/servlet/Product_10001_10001_84961_-1 >>> Very nice! I might just order one of those. >> They also offer 4000 series, transistor, resistor, and capacitor collections. >> >> g. >> >> -- >> Proud owner of F-15C 80-0007 >> http://www.f15sim.com - The only one of its kind. >> http://www.diy-cockpits.org/coll - Go Collimated or Go Home. >> Some people collect things for a hobby. Geeks collect hobbies. >> >> ScarletDME - The red hot Data Management Environment >> A Multi-Value database for the masses, not the classes. >> http://scarlet.deltasoft.com - Get it _today_! > -- The contents of this e-mail and any attachments are intended solely for the use of the named addressee(s) and may contain confidential and/or privileged information. Any unauthorized use, copying, disclosure, or distribution of the contents of this e-mail is strictly prohibited by the sender and may be unlawful. If you are not the intended recipient, please notify the sender immediately and delete this e-mail.
