- SN74LS203N
- SN74LS20D
- SN74LS20DG4
- SN74LS20DR
- SN74LS20DR2
- SN74LS20DRG4
- SN74LS20FN
- SN74LS20J
- SN74LS20J-AT
- SN74LS20MEL
- SN74LS20ML1
- SN74LS20MR1
- SN74LS20N
- SN74LS20NS
- SN74LS20NS-L10
- SN74LS20NSLE
- SN74LS20NSR
- SN74LS20NSRG4
- SN74LS21
- SN74LS211N
- SN74LS215J
- SN74LS219AN
- SN74LS21D
- SN74LS21DG4
- SN74LS21DR
- SN74LS21DRG4
- SN74LS21J
- SN74LS21JDS
- SN74LS21M
- SN74LS21MEL
- SN74LS21MR1
- SN74LS21N
- SN74LS21N（PDIP）
- SN74LS21ND
- SN74LS21NS
- SN74LS21NSG4
- SN74LS21NSR
- SN74LS21NSRG4
- SN74LS221
- SN74LS221D
- SN74LS221DB
- SN74LS221DBR
- SN74LS221DBRE4
- SN74LS221DBRG4
- SN74LS221DG4
- SN74LS221DG4 (P/B)
- SN74LS221DR
- SN74LS221DR-04+
- SN74LS221DR2
- SN74LS221DRG4
- SN74LS221DRG4 (P/B)
- SN74LS221FN
- SN74LS221J
- SN74LS221N
- SN74LS221NE4
- SN74LS221NS
- SN74LS221NSE4
- SN74LS221NS-EL
- SN74LS221NSR
- SN74LS221NSRE4
- SN74LS221NSRG4
- SN74LS221NS-SR-10
- SN74LS221NS-XE
- SN74LS222N
- SN74LS2232ANT
- SN74LS224AN
- SN74LS224N
- SN74LS225J
- SN74LS225N
- SN74LS226NSR
- SN74LS227N
- SN74LS228N
- SN74LS22BJ
- SN74LS22J
- SN74LS22N
- SN74LS22NS
- SN74LS230J
- SN74LS2323D
- SN74LS2323DG4
- SN74LS2323DR
- SN74LS2323P
- SN74LS232N
- SN74LS233N
- SN74LS237
- SN74LS2393N
- SN74LS23N
- SN74LS24
- SN74LS240
- SN74LS240A-1DB
- SN74LS240ANS
- SN74LS240B1
- SN74LS240BN
- SN74LS240D
- SN74LS240DB
- SN74LS240DBR
- SN74LS240DBRG4
- SN74LS240DW
- SN74LS240DWR
- SN74LS240DWR2
- SN74LS240DWRG4