74S225NC 74S226 74S226J 74S228 74S22N 74S22PC 74S22SC 74S24 74S240 74S240 D/C83-84 74S240(DM74S240N) D/C91 74S240(SN74S240N) D/C89 74S240(SN74S240N) D/C90 74S240D 74S240DIL20 74S240J 74S240N 74S240NB 74S240P 74S240PC 74S241 74S241(DM74S241N) D/C84 74S241D 74S241DW 74S241J 74S241N 74S241N10 74S241SN74S241N 74S242N 74S242NA 74S243 74S243N 74S243NA 74S243S0P 74S244 74S244 D/C90 74S244D 74S244DIL20 74s244dw 74S244DWR 74S244J 74S244N 74S244NA 74S244NC 74S245 74S245SCX 74S245SJ 74S250 74S251 74S251(DM74S251N) D/C83 74S251(DM74S251N) D/C84 74S251(DM74S251N) D/C95 74S251(SN74S251N) D/C83 74S251(SN74S251N) D/C84 74S251(SN74S251N) D/C85 74S251(SN74S251N) D/C86 74S251(SN74S251N) D/C89 74S251N 74S251N D/C81 74S251N D/C82 74S251NA 74S251NB 74S251PC 74S251PCQR 74S251SN74S251N 74S252N 74S253 74S253(SN74S253N) D/C89 74S253DC 74S253FCQC 74S253N 74S253NA 74S253PC 74S253PC D/C81 74S255N 74S257 74S257(DM74S257N) D/C84 74S257(DM74S257N) D/C85 74S257A 74S257AN 74S257D 74S257DC 74S257DCQR 74S257F 74S257N 74S257NA 74S257NS 74S257PC 74S258 74S258(SN74S258N) D/C85 74S258DC 74S258F