The HEF4047B is an integrated circuit containing a gatable astable multivibrator that is incorporated with logic techniques to allow positive or negative edge-triggered monostable multivibrator action ...
The HEF4538B is a dual retriggerable-resettable monostable multivibrator. Each multivibrator has an active LOW trigger/retrigger input (nA), an active HIGH trigger/retrigger input (nB), an overriding ...