SN74HC4020NSG4
SN74HC4020NSR
SN74HC4020NSRE4
SN74HC4020NSRG4
SN74HC4020PW
SN74HC4020PWE4
SN74HC4020PWG4
SN74HC4020PWR
SN74HC4020PWRE4
SN74HC4020PWRG4