Hello,
I'm trying to find a document that describes the uses and differences between the logic families (LS, HC, HCT, AC, ACT and so on). Ideally with some rough input/gate schematics, a short note on why it's done this or that way, advantages, tradeoffs etc.
First i found this:
http://www.ti.com/lit/sg/sdyu001ab/sdyu001ab.pdf , which seems to be more of a marketing material summary about TI's products. I also found several links like
http://www.quadibloc.com/comp/cp01.htm but these generally seem to stop at TTL vs CMOS differences.
After some more searching i gave up and decided to look at the datahseets for the same IC in different families. I chose 74xx04 since that is what I am experimenting with.
The 74LS04 datasheet has a nice single inverter schematic (even three!).
Then I looked at the datasheets for 74HC04 and to my surprise, neither TI nor other 4 vendors (NXP, Phillips, Fairchild, Diodes Inc.) whose datasheets I found decided to not include anything more than a logic symbol
Same for HCT. At least TI included a nice comparison chart between HC and AHC, which is useful
Then I went onto looking at the 74AC04 datahseet and hit the same wall, there are no schematics, the only drawings are package dimensions (4 pages of package outlines...)
So, does anyone know an application note or other PDF that would outline the general behavior and usage of the various families and could link it? Or even point me in a good search direction?
Cheers
Footnote, I've found several threads on the internet that link TI literature but the links are all dead now, even these from 2018 (!) (way to go TI!
)