The 74LV123 is a low voltage dual retriggerable monostable multivibrator with reset. This device is retriggerable for very long pulses up to 100% duty factor and it has direct reset that terminates ...
The 74AHC123A and 74AHCT123A are dual retriggerable monostable multivibrators wiht reset and output pulse width control by three methods. They are silicon-gate CMOS devices that are pin compatible ...