MC-146, 32.768kHz, 20ppm, 7pF,
【Freescale Semiconductor】MC14600P,IC ALARM GENERAL MONO 16-DIP
【MULTICOMP】MC14689,
【MULTICOMP】MC14689.,
【MULTICOMP】MC14690,
【MULTICOMP】MC14691,
【MULTICOMP】MC14692,
【MULTICOMP】MC14761,