| 序号 | 芯片名称 | 代换型号 |
|---|---|---|
| 1 | 74LS242 | 443-884 74LS242 74LS242DC 74LS242PC DM74LS242N ECG74LS242 HE-443-884 M74LS242P MB74LS242 MB74LS242M N74LS242F N74LS242N NTE74LS242 SK74LS242 SN74LS242 SN74LS242J SN74LS242JD SN74LS242JDS SN74LS242JS SN74LS242N SN74LS242ND SN74LS242NDS SN74LS242NS TCG74LS242 |
| 2 | 74LS242DC | 443-884 74LS242 74LS242DC 74LS242PC DM74LS242N ECG74LS242 HE-443-884 M74LS242P MB74LS242 MB74LS242M N74LS242F N74LS242N NTE74LS242 SK74LS242 SN74LS242 SN74LS242J SN74LS242JD SN74LS242JDS SN74LS242JS SN74LS242N SN74LS242ND SN74LS242NDS SN74LS242NS TCG74LS242 |
| 3 | 74LS242PC | 443-884 74LS242 74LS242DC 74LS242PC DM74LS242N ECG74LS242 HE-443-884 M74LS242P MB74LS242 MB74LS242M N74LS242F N74LS242N NTE74LS242 SK74LS242 SN74LS242 SN74LS242J SN74LS242JD SN74LS242JDS SN74LS242JS SN74LS242N SN74LS242ND SN74LS242NDS SN74LS242NS TCG74LS242 |
| 4 | 74LS243DC | 443-839 74LS243DC 74LS243N 74LS243PC DM74LS243N ECG74LS243 HE-443-839 M74LS243P MB74LS243 MB74LS243M N74LS243F N74LS243N NTE74LS243 SK74LS243 SN74LS243 SN74LS243J SN74LS243JD SN74LS243JDS SN74LS243JS SN74LS243N SN74LS243ND SN74LS243NDS SN74LS243NS SSN74LS243 TCG74LS243 |
| 5 | 74LS243N | 443-839 74LS243DC 74LS243N 74LS243PC DM74LS243N ECG74LS243 HE-443-839 M74LS243P MB74LS243 MB74LS243M N74LS243F N74LS243N NTE74LS243 SK74LS243 SN74LS243 SN74LS243J SN74LS243JD SN74LS243JDS SN74LS243JS SN74LS243N SN74LS243ND SN74LS243NDS SN74LS243NS SSN74LS243 TCG74LS243 |
| 6 | 74LS243PC | 443-839 74LS243DC 74LS243N 74LS243PC DM74LS243N ECG74LS243 HE-443-839 M74LS243P MB74LS243 MB74LS243M N74LS243F N74LS243N NTE74LS243 SK74LS243 SN74LS243 SN74LS243J SN74LS243JD SN74LS243JDS SN74LS243JS SN74LS243N SN74LS243ND SN74LS243NDS SN74LS243NS SSN74LS243 TCG74LS243 |
| 7 | 74LS244 | 8210069 74LS244 74LS244DC 74LS244N 74LS244PC 8020244 AMX3864 CO14313 DM74LS244N DM74LS244 EAQOO-19400 ECG74LS244 GD74LS244 HD74LS244 HD74LS244P HE-443-791 161DLS2440 LS244 M74LS244P MB74LS244 MB74LS244M N74LS244F N74LS244N NTE74LS244 ON74LS244N PBM74LS244P SK74LS244 SN74LS244 SN74LS244J SN74LS244JD SN74LS244JDS SN74LS244JS SN74LS244N SN74LS244ND SN74LS244NDS SN74LS244NS T74LS244B1 TCG74LS244 X420302440 |
| 8 | 74LS244DC | 8210069 74LS244 74LS244DC 74LS244N 74LS244PC 8020244 AMX3864 CO14313 DM74LS244N DM74LS244 EAQOO-19400 ECG74LS244 GD74LS244 HD74LS244 HD74LS244P HE-443-791 161DLS2440 LS244 M74LS244P MB74LS244 MB74LS244M N74LS244F N74LS244N NTE74LS244 ON74LS244N PBM74LS244P SK74LS244 SN74LS244 SN74LS244J SN74LS244JD SN74LS244JDS SN74LS244JS SN74LS244N SN74LS244ND SN74LS244NDS SN74LS244NS T74LS244B1 TCG74LS244 X420302440 |
| 9 | 74LS244N | 8210069 74LS244 74LS244DC 74LS244N 74LS244PC 8020244 AMX3864 CO14313 DM74LS244N DM74LS244 EAQOO-19400 ECG74LS244 GD74LS244 HD74LS244 HD74LS244P HE-443-791 161DLS2440 LS244 M74LS244P MB74LS244 MB74LS244M N74LS244F N74LS244N NTE74LS244 ON74LS244N PBM74LS244P SK74LS244 SN74LS244 SN74LS244J SN74LS244JD SN74LS244JDS SN74LS244JS SN74LS244N SN74LS244ND SN74LS244NDS SN74LS244NS T74LS244B1 TCG74LS244 X420302440 |
| 10 | 74LS244PC | 8210069 74LS244 74LS244DC 74LS244N 74LS244PC 8020244 AMX3864 CO14313 DM74LS244N DM74LS244 EAQOO-19400 ECG74LS244 GD74LS244 HD74LS244 HD74LS244P HE-443-791 161DLS2440 LS244 M74LS244P MB74LS244 MB74LS244M N74LS244F N74LS244N NTE74LS244 ON74LS244N PBM74LS244P SK74LS244 SN74LS244 SN74LS244J SN74LS244JD SN74LS244JDS SN74LS244JS SN74LS244N SN74LS244ND SN74LS244NDS SN74LS244NS T74LS244B1 TCG74LS244 X420302440 |
| 11 | 74LS245 | 443-885 74LS245 74LS245DC 74LS245N 74LS245NA 74LS245PC 802-0245 8020245 AMX4470 DM74LS245N DN74LS245P EAQOO-22100 ECG74LS245 GD74LS245 HD74LS245WP HE-443-885 I61DLS2450 LS245 M74LS245P MB74LS245 MB74LS245M N74LS245F N74LS245N NTE74LS245 ON74LS245N POSN74LS245N SK74LS245 SN74LS245 SN74LS245J SN74LS245JD SN74LS245JDS SN74LS245JS SN74LS245N SN74LS245ND SN74LS245NDS SN74LS245NS TCG74LS245 X420302450 |
| 12 | 74LS245DC | 443-885 74LS245 74LS245DC 74LS245N 74LS245NA 74LS245PC 802-0245 8020245 AMX4470 DM74LS245N DN74LS245P EAQOO-22100 ECG74LS245 GD74LS245 HD74LS245WP HE-443-885 I61DLS2450 LS245 M74LS245P MB74LS245 MB74LS245M N74LS245F N74LS245N NTE74LS245 ON74LS245N POSN74LS245N SK74LS245 SN74LS245 SN74LS245J SN74LS245JD SN74LS245JDS SN74LS245JS SN74LS245N SN74LS245ND SN74LS245NDS SN74LS245NS TCG74LS245 X420302450 |
| 13 | 74LS245N | 443-885 74LS245 74LS245DC 74LS245N 74LS245NA 74LS245PC 802-0245 8020245 AMX4470 DM74LS245N DN74LS245P EAQOO-22100 ECG74LS245 GD74LS245 HD74LS245WP HE-443-885 I61DLS2450 LS245 M74LS245P MB74LS245 MB74LS245M N74LS245F N74LS245N NTE74LS245 ON74LS245N POSN74LS245N SK74LS245 SN74LS245 SN74LS245J SN74LS245JD SN74LS245JDS SN74LS245JS SN74LS245N SN74LS245ND SN74LS245NDS SN74LS245NS TCG74LS245 X420302450 |
| 14 | 74LS245NA | 443-885 74LS245 74LS245DC 74LS245N 74LS245NA 74LS245PC 802-0245 8020245 AMX4470 DM74LS245N DN74LS245P EAQOO-22100 ECG74LS245 GD74LS245 HD74LS245WP HE-443-885 I61DLS2450 LS245 M74LS245P MB74LS245 MB74LS245M N74LS245F N74LS245N NTE74LS245 ON74LS245N POSN74LS245N SK74LS245 SN74LS245 SN74LS245J SN74LS245JD SN74LS245JDS SN74LS245JS SN74LS245N SN74LS245ND SN74LS245NDS SN74LS245NS TCG74LS245 X420302450 |
| 15 | 74LS245PC | 443-885 74LS245 74LS245DC 74LS245N 74LS245NA 74LS245PC 802-0245 8020245 AMX4470 DM74LS245N DN74LS245P EAQOO-22100 ECG74LS245 GD74LS245 HD74LS245WP HE-443-885 I61DLS2450 LS245 M74LS245P MB74LS245 MB74LS245M N74LS245F N74LS245N NTE74LS245 ON74LS245N POSN74LS245N SK74LS245 SN74LS245 SN74LS245J SN74LS245JD SN74LS245JDS SN74LS245JS SN74LS245N SN74LS245ND SN74LS245NDS SN74LS245NS TCG74LS245 X420302450 |
| 16 | 74LS247DC | 443-711 74LS247DC 74LS247PC 74LS248DC DM74LS247N ECG74LS247 HD74LS247 HD74LS247P HE-443-711 M74LS247P MB74LS247 MB74LS247M NTE74LS247 SK74LS247 SN74LS247 SN74LS247J SN74LS247JD SN74LS247JDS SN74LS247JS SN74LS247N SN74LS247ND SN74LS247NDS SN74LS247NS SW74LS247 TCG74LS247 BLOCK-1637 74LS248PC ECG74LS248 HD74LS248 HD74LS248P M74LS248P MB74LS248 MB74LS248M NTE74LS248 SK74LS248 SN74LS248 SN74LS248J SN74LS248JD SN74LS248JDS SN74LS248JS SN74LS248N SN74LS248ND SN74LS248NDS SN74LS248NS TCG74LS248 |
| 17 | 74LS247PC | 443-711 74LS247DC 74LS247PC 74LS248DC DM74LS247N ECG74LS247 HD74LS247 HD74LS247P HE-443-711 M74LS247P MB74LS247 MB74LS247M NTE74LS247 SK74LS247 SN74LS247 SN74LS247J SN74LS247JD SN74LS247JDS SN74LS247JS SN74LS247N SN74LS247ND SN74LS247NDS SN74LS247NS SW74LS247 TCG74LS247 BLOCK-1637 74LS248PC ECG74LS248 HD74LS248 HD74LS248P M74LS248P MB74LS248 MB74LS248M NTE74LS248 SK74LS248 SN74LS248 SN74LS248J SN74LS248JD SN74LS248JDS SN74LS248JS SN74LS248N SN74LS248ND SN74LS248NDS SN74LS248NS TCG74LS248 |
| 18 | 74LS248DC | 443-711 74LS247DC 74LS247PC 74LS248DC DM74LS247N ECG74LS247 HD74LS247 HD74LS247P HE-443-711 M74LS247P MB74LS247 MB74LS247M NTE74LS247 SK74LS247 SN74LS247 SN74LS247J SN74LS247JD SN74LS247JDS SN74LS247JS SN74LS247N SN74LS247ND SN74LS247NDS SN74LS247NS SW74LS247 TCG74LS247 BLOCK-1637 74LS248PC ECG74LS248 HD74LS248 HD74LS248P M74LS248P MB74LS248 MB74LS248M NTE74LS248 SK74LS248 SN74LS248 SN74LS248J SN74LS248JD SN74LS248JDS SN74LS248JS SN74LS248N SN74LS248ND SN74LS248NDS SN74LS248NS TCG74LS248 |
| 19 | 74LS249DC | 74LS249DC 74LS249PC ECG74LS249 HD74LS249 HD74LS249P MB74LS249 MB74LS249M MH746 NTE74LS249 SK74LS249 SN74LS249 SN74LS249J SN74LS249JD SN74LS249JDS SN74LS249JS SN74LS249N SN74LS249ND SN74LS249NDS SN74LS249NS TCG74LS249 |
| 20 | 74LS249PC | 74LS249DC 74LS249PC ECG74LS249 HD74LS249 HD74LS249P MB74LS249 MB74LS249M MH746 NTE74LS249 SK74LS249 SN74LS249 SN74LS249J SN74LS249JD SN74LS249JDS SN74LS249JS SN74LS249N SN74LS249ND SN74LS249NDS SN74LS249NS TCG74LS249 |
| 21 | 74LS251DC | 74LS251DC 74LS251PC C74LS251P DM74LS251N ECG74LS251 HD74LS251 HD74LS251P HEPC74LS251P M74LS251P MB74LS251 MB74LS251M N74LS251AF N74LS251AN NTE74LS251 SK1919 SN74LS251 SN74LS25U SN74LS251JD SN74LS251JDS SN74LS25US SN74LS251N SN74LS251ND SN74LS251NDS SN74LS251NS SN74LS251X TCG74LS251 |
| 22 | 74LS251PC | 74LS251DC 74LS251PC C74LS251P DM74LS251N ECG74LS251 HD74LS251 HD74LS251P HEPC74LS251P M74LS251P MB74LS251 MB74LS251M N74LS251AF N74LS251AN NTE74LS251 SK1919 SN74LS251 SN74LS25U SN74LS251JD SN74LS251JDS SN74LS25US SN74LS251N SN74LS251ND SN74LS251NDS SN74LS251NS SN74LS251X TCG74LS251 |
| 23 | 74LS253DC | 74LS253DC 74LS253PC C74LS253P DM74LS253N ECG74LS253 HD74LS253 HD74LS253P HEPC74LS253P M74LS253P MB74LS253 MB74LS253M N74LS253F N74LS253N NTE74LS253 SK74LS253 SN74LS253 SN74LS253J SN74LS253JD SN74LS253JDS SN74LS253JS SN74LS253N SN74LS253ND SN74LS253NDS SN74LS253NS TCG74LS253 |
| 24 | 74LS253PC | 74LS253DC 74LS253PC C74LS253P DM74LS253N ECG74LS253 HD74LS253 HD74LS253P HEPC74LS253P M74LS253P MB74LS253 MB74LS253M N74LS253F N74LS253N NTE74LS253 SK74LS253 SN74LS253 SN74LS253J SN74LS253JD SN74LS253JDS SN74LS253JS SN74LS253N SN74LS253ND SN74LS253NDS SN74LS253NS TCG74LS253 |
| 25 | 74LS257 | 8210040 443-802 74LS257 74LS257A 74LS257AN 74LS257APC 74LS257DC 74LS257N 74LS257PC 901521-57 9334DC 9334DM C74LS257P DM74LS257BN EAQOO-23600 ECG74LS257 HD74LS257 HD74LS257P HE-443-1037 HE-443-802 HEPC74LS257P M74LS257AP MB74LS257 MB74LS257M N74LS257AF N74LS257AN NTE74LS257 SK74LS257 SN74LS257 SN74LS257AJ SN74LS257AJD SN74LS257AJDS SN74LS257AJS SN74LS257AN SN74LS257AND SN74LS257ANDS SN74LS257ANS SN74LS257BN SN74LS257J SN74LS257N SN74LS257X T74LS257B1 TCG74LS257 |
| 26 | 74LS257A | 8210040 443-802 74LS257 74LS257A 74LS257AN 74LS257APC 74LS257DC 74LS257N 74LS257PC 901521-57 9334DC 9334DM C74LS257P DM74LS257BN EAQOO-23600 ECG74LS257 HD74LS257 HD74LS257P HE-443-1037 HE-443-802 HEPC74LS257P M74LS257AP MB74LS257 MB74LS257M N74LS257AF N74LS257AN NTE74LS257 SK74LS257 SN74LS257 SN74LS257AJ SN74LS257AJD SN74LS257AJDS SN74LS257AJS SN74LS257AN SN74LS257AND SN74LS257ANDS SN74LS257ANS SN74LS257BN SN74LS257J SN74LS257N SN74LS257X T74LS257B1 TCG74LS257 |
| 27 | 74LS257AN | 8210040 443-802 74LS257 74LS257A 74LS257AN 74LS257APC 74LS257DC 74LS257N 74LS257PC 901521-57 9334DC 9334DM C74LS257P DM74LS257BN EAQOO-23600 ECG74LS257 HD74LS257 HD74LS257P HE-443-1037 HE-443-802 HEPC74LS257P M74LS257AP MB74LS257 MB74LS257M N74LS257AF N74LS257AN NTE74LS257 SK74LS257 SN74LS257 SN74LS257AJ SN74LS257AJD SN74LS257AJDS SN74LS257AJS SN74LS257AN SN74LS257AND SN74LS257ANDS SN74LS257ANS SN74LS257BN SN74LS257J SN74LS257N SN74LS257X T74LS257B1 TCG74LS257 |
| 28 | 74LS257APC | 8210040 443-802 74LS257 74LS257A 74LS257AN 74LS257APC 74LS257DC 74LS257N 74LS257PC 901521-57 9334DC 9334DM C74LS257P DM74LS257BN EAQOO-23600 ECG74LS257 HD74LS257 HD74LS257P HE-443-1037 HE-443-802 HEPC74LS257P M74LS257AP MB74LS257 MB74LS257M N74LS257AF N74LS257AN NTE74LS257 SK74LS257 SN74LS257 SN74LS257AJ SN74LS257AJD SN74LS257AJDS SN74LS257AJS SN74LS257AN SN74LS257AND SN74LS257ANDS SN74LS257ANS SN74LS257BN SN74LS257J SN74LS257N SN74LS257X T74LS257B1 TCG74LS257 |
| 29 | 74LS257DC | 8210040 443-802 74LS257 74LS257A 74LS257AN 74LS257APC 74LS257DC 74LS257N 74LS257PC 901521-57 9334DC 9334DM C74LS257P DM74LS257BN EAQOO-23600 ECG74LS257 HD74LS257 HD74LS257P HE-443-1037 HE-443-802 HEPC74LS257P M74LS257AP MB74LS257 MB74LS257M N74LS257AF N74LS257AN NTE74LS257 SK74LS257 SN74LS257 SN74LS257AJ SN74LS257AJD SN74LS257AJDS SN74LS257AJS SN74LS257AN SN74LS257AND SN74LS257ANDS SN74LS257ANS SN74LS257BN SN74LS257J SN74LS257N SN74LS257X T74LS257B1 TCG74LS257 |
| 30 | 74LS257N | 8210040 443-802 74LS257 74LS257A 74LS257AN 74LS257APC 74LS257DC 74LS257N 74LS257PC 901521-57 9334DC 9334DM C74LS257P DM74LS257BN EAQOO-23600 ECG74LS257 HD74LS257 HD74LS257P HE-443-1037 HE-443-802 HEPC74LS257P M74LS257AP MB74LS257 MB74LS257M N74LS257AF N74LS257AN NTE74LS257 SK74LS257 SN74LS257 SN74LS257AJ SN74LS257AJD SN74LS257AJDS SN74LS257AJS SN74LS257AN SN74LS257AND SN74LS257ANDS SN74LS257ANS SN74LS257BN SN74LS257J SN74LS257N SN74LS257X T74LS257B1 TCG74LS257 |
| 31 | 74LS257PC | 8210040 443-802 74LS257 74LS257A 74LS257AN 74LS257APC 74LS257DC 74LS257N 74LS257PC 901521-57 9334DC 9334DM C74LS257P DM74LS257BN EAQOO-23600 ECG74LS257 HD74LS257 HD74LS257P HE-443-1037 HE-443-802 HEPC74LS257P M74LS257AP MB74LS257 MB74LS257M N74LS257AF N74LS257AN NTE74LS257 SK74LS257 SN74LS257 SN74LS257AJ SN74LS257AJD SN74LS257AJDS SN74LS257AJS SN74LS257AN SN74LS257AND SN74LS257ANDS SN74LS257ANS SN74LS257BN SN74LS257J SN74LS257N SN74LS257X T74LS257B1 TCG74LS257 |
| 32 | 74LS258 | 74LS258 74LS258APC 74LS258DC 74LS258N 74LS258PC 901521-58 C74LS258P DM74LS258BN ECG74LS258 HD74LS258 HD74LS258P HEPC74LS258P M74LS258AP MB74LS258 MB74LS258M N74LS258AF N74LS258AN NTE74LS258 SK74LS258 SN74LS258 SN74LS258AJ SN74LS258AJD SN74LS258AJDS SN74LS258AJS SN74LS258AN SN74LS258AND SN74LS258ANDS SN74LS258ANS SN74LS258J SN74LS258N SN74LS258X TCG74LS258 |
| 33 | 74LS258APC | 74LS258 74LS258APC 74LS258DC 74LS258N 74LS258PC 901521-58 C74LS258P DM74LS258BN ECG74LS258 HD74LS258 HD74LS258P HEPC74LS258P M74LS258AP MB74LS258 MB74LS258M N74LS258AF N74LS258AN NTE74LS258 SK74LS258 SN74LS258 SN74LS258AJ SN74LS258AJD SN74LS258AJDS SN74LS258AJS SN74LS258AN SN74LS258AND SN74LS258ANDS SN74LS258ANS SN74LS258J SN74LS258N SN74LS258X TCG74LS258 |
| 34 | 74LS258DC | 74LS258 74LS258APC 74LS258DC 74LS258N 74LS258PC 901521-58 C74LS258P DM74LS258BN ECG74LS258 HD74LS258 HD74LS258P HEPC74LS258P M74LS258AP MB74LS258 MB74LS258M N74LS258AF N74LS258AN NTE74LS258 SK74LS258 SN74LS258 SN74LS258AJ SN74LS258AJD SN74LS258AJDS SN74LS258AJS SN74LS258AN SN74LS258AND SN74LS258ANDS SN74LS258ANS SN74LS258J SN74LS258N SN74LS258X TCG74LS258 |
| 35 | 74LS258N | 74LS258 74LS258APC 74LS258DC 74LS258N 74LS258PC 901521-58 C74LS258P DM74LS258BN ECG74LS258 HD74LS258 HD74LS258P HEPC74LS258P M74LS258AP MB74LS258 MB74LS258M N74LS258AF N74LS258AN NTE74LS258 SK74LS258 SN74LS258 SN74LS258AJ SN74LS258AJD SN74LS258AJDS SN74LS258AJS SN74LS258AN SN74LS258AND SN74LS258ANDS SN74LS258ANS SN74LS258J SN74LS258N SN74LS258X TCG74LS258 |
| 36 | 74LS258PC | 74LS258 74LS258APC 74LS258DC 74LS258N 74LS258PC 901521-58 C74LS258P DM74LS258BN ECG74LS258 HD74LS258 HD74LS258P HEPC74LS258P M74LS258AP MB74LS258 MB74LS258M N74LS258AF N74LS258AN NTE74LS258 SK74LS258 SN74LS258 SN74LS258AJ SN74LS258AJD SN74LS258AJDS SN74LS258AJS SN74LS258AN SN74LS258AND SN74LS258ANDS SN74LS258ANS SN74LS258J SN74LS258N SN74LS258X TCG74LS258 |
| 37 | 74LS259 | 443-804 74LS259 74LS259DC 74LS259PC 9334PC C74LS259P DM74LS259N ECG74LS259 HD74LS259 HD74LS259P HE-443-804 HEPC74LS259P M74LS259P N74LS259F N74LS259N N9334N NTE74LS259 SK74LS259 SN74LS259 SN74LS259J SN74LS259JD SN74LS259JDS SN74LS259JS SN74LS259N SN74LS259ND SN74LS259NDS SN74LS259NS SN74LS259W TCG74LS259 |
| 38 | 74LS259DC | 443-804 74LS259 74LS259DC 74LS259PC 9334PC C74LS259P DM74LS259N ECG74LS259 HD74LS259 HD74LS259P HE-443-804 HEPC74LS259P M74LS259P N74LS259F N74LS259N N9334N NTE74LS259 SK74LS259 SN74LS259 SN74LS259J SN74LS259JD SN74LS259JDS SN74LS259JS SN74LS259N SN74LS259ND SN74LS259NDS SN74LS259NS SN74LS259W TCG74LS259 |
| 39 | 74LS259PC | 443-804 74LS259 74LS259DC 74LS259PC 9334PC C74LS259P DM74LS259N ECG74LS259 HD74LS259 HD74LS259P HE-443-804 HEPC74LS259P M74LS259P N74LS259F N74LS259N N9334N NTE74LS259 SK74LS259 SN74LS259 SN74LS259J SN74LS259JD SN74LS259JDS SN74LS259JS SN74LS259N SN74LS259ND SN74LS259NDS SN74LS259NS SN74LS259W TCG74LS259 |
| 40 | 74LS26 | 23119742 610002-026 74LS26 74LS26DC 74LS26PC 76-005-005 DM74LS26N ECG74LS26 HD74LS26 HD74LS26P MB74LS26 MB74LS26M N74LS26F N74LS26N NTE74LS26 SK74LS26 SN74LS26 SN74LS26J SN74LS26JD SN74LS26JDS SN74LS26JS SN74LS26N SN74LS26ND SN74LS26NS T74LS26B1 T74LS26D1 TCG74LS26 |
