Data sheet acquired from Harris Semiconductor SCHS.
74HCT423 - High-Speed CMOS Logic Dual Retriggerable Monostable Multivibrators
74HCT423 - Dual retriggerable monostable multivibrator
PC74HCT423 - (It is accurate) Dual Retriggerable Monostable Multivibrator
CD74HCT423 - High-Speed CMOS Logic Dual Retriggerable Monostable Multivibrators
CD74HCT423E - Dual Retriggerable Monostable Multivibrators