SN74HC4020APWG4
SN74HC4020D
SN74HC4020DBR
SN74HC4020DBRE4
SN74HC4020DBRG4
SN74HC4020DE4
SN74HC4020DG4
SN74HC4020DR
SN74HC4020DRE4
SN74HC4020DRG4