This logic tip latches on pulses. The TTL circuit was suggested by Radio Electronics magazine in August 1977. The power supply must be 5 V.
Frequencies up to just over 100 kHz can be obtained with an oscillator based on one of the four...
This circuit, found in a Popular Electronics from 1992, is based on an oscillator and a crystal...
This is a discrete equivalent version of an open collector TTL gate. What we have is an inverter...