Post by thread: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 <spam_OUTmikedTakeThisOuTELKHART.NET> writes: >> 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. The same is true of a NOR gate, but the circuit implementation of a NAND in TTL is simpler than that of a NOR. _____________________________________________________________________ You don't need to buy Internet access to use free Internet e-mail. Get completely free e-mail from Juno at http://www.juno.com Or call Juno at (800) 654-JUNO [654-5866]