DM74S20 DM74S20-N DM74S2006MX DM74S200J DM74S200N DM74S206N DM74S20J DM74S20N DM74S20N-01 DM74S228N DM74S22N DM74S24 DM74S240 DM74S240-N DM74S240J DM74S240J(54S240) DM74S240N DM74S240N-01 DM74S241 DM74S241J DM74S241JNS DM74S241N DM74S241N(HSMRKD) DM74S241N-01 DM74S242N DM74S243N DM74S244 DM74S244J DM74S244N DM74S244N-NAT DM74S244N_F40 DM74S244WM DM74S2458N DM74S25 DM74S250 DM74S251J DM74S251N DM74S251N /SD161319 DM74S251N/HD74S251P DM74S253 DM74S253J DM74S253N DM74S253N-02 DM74S253NSP8906 DM74S257 DM74S257J DM74S257N DM74S257N-02 DM74S257PC DM74S258 DM74S258J DM74S258N DM74S25N DM74S260N DM74S274N DM74S28 DM74S280 DM74S280J DM74S280M DM74S280MX DM74S280N DM74S280N-03 DM74S280NNS DM74S283 DM74S283J DM74S283N DM74S283N-02 DM74S283N-ND DM74S287 DM74S287AJ DM74S287AN DM74S287AN.N DM74S287ANCPU DM74S287AV DM74S287J DM74S287N DM74S287N(82S129) DM74S287V DM74S288 DM74S288(82S123) DM74S2888 DM74S288AJ DM74S288AN DM74S288AV DM74S288AY DM74S288J DM74S288LEX DM74S288N DM74S288N/AN DM74S288V DM74S289 DM74S289J