This astable multivibrator uses two NAND gates of the 4 available on the 7400 TTL integrated circuit. Two LEDs are used to view the status or logic output of each gate.
Clock signal generator using 7400 IC (PCB)
Clock signal generator using 7400 IC. This clock generator is an astable circuit which uses the TTL 7400 (four 2 inputs NAND gates) integrated circuit. Suggested Printed Circuit Board (PCB)