Hi HC is the *slower* version of AC. If it makes it to 50 MHz, you are doing well …..
Bob > On Jul 11, 2020, at 6:00 PM, Perry Sandeen via time-nuts > <[email protected]> wrote: > > Learned List, > On previous posts I was looking for a PDIP package 100 MHz decade divider. > Reading just the front of the data sheet I thought that the 74LS161 would > work. Boy, was I wrong. Several members posted that 25 Mhz max was its limit. > So *on the road again* (sorry Willie) I went on another search this time with > the correct logic family. > It turns out Arrow carries the 74HC161 for less that $1. > Additionally I D/L'd the Charles Wenzel Unusual Frequency Dividers PDF and > discovered a 100 MHz decade divider circuit using 1/2 of a 74HC74 in a > configuration that will decade divide up to 300 MHz. > I'm attaching a copy of the circuit for anyone interested. > Regards, > Perrier > <100 MHz divide by 10.tif>_______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
