'PICLIST Digest - 23 Jun 1998 to 24 Jun 1998'
> I live in the US and I purchased a couple of simmstick boards from
> Dontronics recently and I've been populating them with the various
> bits I need for my projects. I have recently had trouble locating some
> 30 pin SIMM sockets to use with these things. It seems that my
> favorite mail order electronics supplier (Digikey) no longer carries
> these and another supplier (Allied) does not have them in their
> catalog. Have you run into this problem? Can anyone suggest a source?
JAMECO was selling them at .35 each(duals) by bags of 10. Single row
for .75 (plastic clips).
> To follow up,,, Little metal snap cover looks like a toilet seat ;-)? Same
> kind of thing on 1/4 phone jacks. I've a sample comming, I'll let you know
> how it fits. The part number is
> 2c1072 from switchcraft
We got a box of these in obsolete stock (jacks,plugs,covers).
> Who decided that the 74LS00 would be a quad 2-input nand gate, and for
> the rest of the series?
The NAND gate was chosen first because any other logic gate can be
created from a combination of NAND gates.
On Thu, 25 Jun 1998 08:58:38 -0500 Mike DeMetz <ELKHART.NET> miked
>> Who decided that the 74LS00 would be a quad 2-input nand gate, and
>> the rest of the series?
>The NAND gate was chosen first because any other logic gate can be
>created from a combination of NAND gates.
The same is true of a NOR gate, but the circuit implementation of a NAND
in TTL is simpler than that of a NOR.
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