A 6.5536 MHz crystal was also used for the Intel ICM7045 Digital Stopwatch IC (ca. 1974).
I still have one of those around here somewhere. I wonder how much this would sell for on eBay. I recently sold a set of C4040 ICs on eBay, which sold for nearly $1600.00. Don't throw out those old chips, they might be worth more that you would think. -- Flemming Larsen --- David Forbes <[EMAIL PROTECTED]> wrote: > Don't forget that 6.5536 MHz crystal was used by the > phone phreaks to > convert a Radio Shack DTMF keypad that came with > 6.144 MHz crystal to > blue box frequencies. It's not exact, but close. > > _______________________________________________ time-nuts mailing list [email protected] https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
