- SN74HC20N
- SN74HC20NE4
- SN74HC20NS
- SN74HC20NSR
- SN74HC20N-TI
- SN74HC20PW
- SN74HC20PWR
- SN74HC20PWTG4
- SN74HC21
- SN74HC211N
- SN74HC21A
- SN74HC21ADB
- SN74HC21ADGGR
- SN74HC21ANS
- SN74HC21ANSR
- SN74HC21APW
- SN74HC21APWR
- SN74HC21D
- SN74HC21DR
- SN74HC21DR(LF)
- SN74HC21DRG4
- SN74HC21DRG4 (P/B)
- SN74HC21DT
- SN74HC21DTG4
- SN74HC21J
- SN74HC21N
- SN74HC21NS
- SN74HC21NSR
- SN74HC21NSRG4
- SN74HC21PW
- SN74HC21PWE4
- SN74HC21PWR
- SN74HC21PWRE4
- SN74HC21PWRG4
- SN74HC21PWTG4
- SN74HC21QDRG4Q1
- SN74HC21QPWRG4Q1
- SN74HC21QPWRQ1
- SN74HC2201AI
- SN74HC221
- SN74HC221DR
- SN74HC221MDR
- SN74HC221N
- SN74HC237DR
- SN74HC237DR-LF
- SN74HC237FPT2
- SN74HC237N
- SN74HC237N-LF
- SN74HC238
- SN74HC238D
- SN74HC238DR-LF
- SN74HC238E
- SN74HC238N
- SN74HC238N-LF
- SN74HC238NSR
- SN74HC238P
- SN74HC239AN
- SN74HC239DW
- SN74HC239G2-T2
- SN74HC239N
- SN74HC239NS
- SN74HC23J
- SN74HC240
- SN74HC240A
- SN74HC240ADB
- SN74HC240ADBR
- SN74HC240AN
- SN74HC240ANS
- SN74HC240ANSR
- SN74HC240ANSRG4
- SN74HC240APW
- SN74HC240APWR
- SN74HC240APWRG4
- SN74HC240D
- SN74HC240DB
- SN74HC240DB-
- SN74HC240DBR
- SN74HC240DR
- SN74HC240DW
- SN74HC240DW10
- SN74HC240DWE4
- SN74HC240DWR
- SN74HC240DWR PBF
- SN74HC240DWR(LF)
- SN74HC240DWR10
- SN74HC240DWR-LF
- SN74HC240J
- SN74HC240N
- SN74HC240N PBF
- SN74HC240N..
- SN74HC240N-LF
- SN74HC240NS
- SN74HC240NS-EL20
- SN74HC240NSR
- SN74HC240NSRG4
- SN74HC240PW
- SN74HC240PWR
- SN74HC240PWRG4
- SN74HC241
- SN74HC241A