RTL Logic

Thank you very much for putting up the manual. As I said My memory of light use more than 30 years ago was wrong. In general the Vcc voltage specs alone should eliminate swapping TTL & RTL, in this specific case the RTL device (MC789) is driven with a +5v power-supply which going by the manual is too high. I stand by my statement that for the three projects mentioned TTL should work. After checking the specs of the original parts (MC789) I would recomend using TTL since Vcc is driven with +5v and I didn't see anything else in the project plans that would eliminate TTL for the inverters. Randy ----- Original Message ----- From: "Al Kossow" <aek(a)spies.com> To: <classiccmp(a)classiccmp.org> Sent: Friday, January 07, 2005 12:01 PM Subject: Re: RTL Logic