| 序号 | 芯片名称 | 代换型号 |
|---|---|---|
| 1 | MB74LS244M | 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 |
| 2 | MB74LS245 | 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 |
| 3 | MB74LS245M | 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 |
| 4 | MB74LS247 | 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 |
| 5 | MB74LS247M | 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 |
| 6 | MB74LS249 | 74LS249DC 74LS249PC ECG74LS249 HD74LS249 HD74LS249P MB74LS249 MB74LS249M MH746 NTE74LS249 SK74LS249 SN74LS249 SN74LS249J SN74LS249JD SN74LS249JDS SN74LS249JS SN74LS249N SN74LS249ND SN74LS249NDS SN74LS249NS TCG74LS249 |
| 7 | MB74LS249M | 74LS249DC 74LS249PC ECG74LS249 HD74LS249 HD74LS249P MB74LS249 MB74LS249M MH746 NTE74LS249 SK74LS249 SN74LS249 SN74LS249J SN74LS249JD SN74LS249JDS SN74LS249JS SN74LS249N SN74LS249ND SN74LS249NDS SN74LS249NS TCG74LS249 |
| 8 | MB74LS251 | 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 |
| 9 | MB74LS251M | 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 |
| 10 | MB74LS253 | 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 |
| 11 | MB74LS253M | 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 |
| 12 | MB74L3257 | 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 |
| 13 | MB74LS257M | 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 |
| 14 | MB74LS258 | 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 |
| 15 | MB74LS258M | 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 |
| 16 | MB74LS26 | 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 |
| 17 | MB74LS266 | 197376 443-719 74LS266 74LS266CH 74LS266DC 74LS266J 74LS266PC 74LS266W 802-0266 9386DC 9386DM 9386PC AMX4660 ECG74LS266 HD74LS266 HD74LS266P HE-443-719 M74LS266P MB74LS266 MB74LS266M N74LS266F N74LS266N NTE74LS266 SK74LS266 SN74LS266 SN74LS266J SN74LS266JD SN74LS266JDS SN74LS266JS SN74LS266N SN74LS266ND SN74LS266NDS SN74LS266NS SN74LS266W TCG74LS266 |
| 18 | MB74LS266M | 197376 443-719 74LS266 74LS266CH 74LS266DC 74LS266J 74LS266PC 74LS266W 802-0266 9386DC 9386DM 9386PC AMX4660 ECG74LS266 HD74LS266 HD74LS266P HE-443-719 M74LS266P MB74LS266 MB74LS266M N74LS266F N74LS266N NTE74LS266 SK74LS266 SN74LS266 SN74LS266J SN74LS266JD SN74LS266JDS SN74LS266JS SN74LS266N SN74LS266ND SN74LS266NDS SN74LS266NS SN74LS266W TCG74LS266 |
| 19 | MB74LS26M | 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 |
| 20 | MB74LS27 | 443-800 74LS27 74LS27CH 74LS27DC 74LS27J 74LS27PC 74LS27W 802-0027 901521-22 AMX4658 C74LS27P DM74LS27N ECG74LS27 HD74LS27 HD74LS27P HE-443-800 HEPC74LS27P M74LS27P MB74LS27 MB74LS27M N74LS27F N74LS27N NTE74LS27 SK74LS27 SN74LS27J SN74LS27JD SN74LS27JDS SN74LS27N SN74LS27ND SN74LS27NDS SN74LS27NS SN74LS27W T74LS27B1 T74LS27BI T74LS27D1 TCG74LS27 X420300270 |
| 21 | MB74LS273M | 148684 443-805 74LS273 74LS273DC 74LS273N 74LS273PC AMX4227 ECG74LS273 HD74LS273P HE-443-805 M74LS273P MB74LS273M MX-4295 N74LS273F N74LS273N NTE74LS273 SK74LS273 SN74LS273 SN74LS273J SN74LS273JD SN74LS273JDS SN74LS273JS SN74LS273N SN74LS273ND SN74LS273NDS SN74LS273NS TCG74LS273 X420302730 |
| 22 | MB74LS27M | 443-800 74LS27 74LS27CH 74LS27DC 74LS27J 74LS27PC 74LS27W 802-0027 901521-22 AMX4658 C74LS27P DM74LS27N ECG74LS27 HD74LS27 HD74LS27P HE-443-800 HEPC74LS27P M74LS27P MB74LS27 MB74LS27M N74LS27F N74LS27N NTE74LS27 SK74LS27 SN74LS27J SN74LS27JD SN74LS27JDS SN74LS27N SN74LS27ND SN74LS27NDS SN74LS27NS SN74LS27W T74LS27B1 T74LS27BI T74LS27D1 TCG74LS27 X420300270 |
| 23 | MB74LS28 | 74LS28DC 74LS28PC ECG74LS28 MB74LS28 MB74LS28M N74LS28F N74LS28N NTE74LS28 SK74LS28 SN74LS28 SN74LS28J SN74LS28JD SN74LS28JDS SN74LS28JS SN74LS28N SN74LS28ND SN74LS28NDS SN74LS28NS T74LS28B1 |
| 24 | MB74LS280 | 74LS280 ECG74LS280 HD74LS280 HD74LS280P HE-443-1001 M74LS280P MB74LS280 MB74LS280M NTE74LS280 SK74LS280 SN74LS280 SN74LS280J SN74LS280JD SN74LS280JDS SN74LS280JS SISI74LS280N SN74LS280ND SN74LS280NDS SN74LS280NS SIST74LS280W TCG74LS280 TCG74S280 |
| 25 | MB74LS280M | 74LS280 ECG74LS280 HD74LS280 HD74LS280P HE-443-1001 M74LS280P MB74LS280 MB74LS280M NTE74LS280 SK74LS280 SN74LS280 SN74LS280J SN74LS280JD SN74LS280JDS SN74LS280JS SISI74LS280N SN74LS280ND SN74LS280NDS SN74LS280NS SIST74LS280W TCG74LS280 TCG74S280 |
| 26 | MB74LS283 | 443-855 74LS283 74LS283DC 74LS283PC DM74LS283N ECG74LS283 HD74LS283 HD74LS283P HE-443-855 M74LS283P MB74LS283 MB74LS283M N74LS283F N74LS283N NTE74LS283 SN74LS283 SN74LS283J SN74LS283JD SN74LS283JDS SN74LS283JS SN74LS283N SN74LS283ND SN74LS283NDS SN74LS283NS TCG74LS283 |
| 27 | MB74LS283M | 443-855 74LS283 74LS283DC 74LS283PC DM74LS283N ECG74LS283 HD74LS283 HD74LS283P HE-443-855 M74LS283P MB74LS283 MB74LS283M N74LS283F N74LS283N NTE74LS283 SN74LS283 SN74LS283J SN74LS283JD SN74LS283JDS SN74LS283JS SN74LS283N SN74LS283ND SN74LS283NDS SN74LS283NS TCG74LS283 |
| 28 | MB74LS28M | 74LS28DC 74LS28PC ECG74LS28 MB74LS28 MB74LS28M N74LS28F N74LS28N NTE74LS28 SK74LS28 SN74LS28 SN74LS28J SN74LS28JD SN74LS28JDS SN74LS28JS SN74LS28N SN74LS28ND SN74LS28NDS SN74LS28NS T74LS28B1 |
| 29 | MB74LS30 | 3102013 443-732 74LS30 74LS30CH 74LS30DC 74LS30J 74LS30PC 74LS30W AMX3556 C74LS30P ECG74LS30 HD74LS30 HD74LS30P HE-443-732 HEPC74LS30P M74LS30P MB74LS30 MB74LS30M N74LS30F N74LS30N NTE74LS30 PBM74LS30P SK74LS30 SN74LS30 SN74LS30J SN74LS30JD SN74LS30JDS SN74LS30JS SN74LS30N SN74LS30ND SN74LS30NDS SN74LS30NS SN74LS30W T74LS30B1 T74LS30D1 TCG74LS30 X420300300 |
| 30 | MB74LS30M | 3102013 443-732 74LS30 74LS30CH 74LS30DC 74LS30J 74LS30PC 74LS30W AMX3556 C74LS30P ECG74LS30 HD74LS30 HD74LS30P HE-443-732 HEPC74LS30P M74LS30P MB74LS30 MB74LS30M N74LS30F N74LS30N NTE74LS30 PBM74LS30P SK74LS30 SN74LS30 SN74LS30J SN74LS30JD SN74LS30JDS SN74LS30JS SN74LS30N SN74LS30ND SN74LS30NDS SN74LS30NS SN74LS30W T74LS30B1 T74LS30D1 TCG74LS30 X420300300 |
| 31 | MB74LS32 | 8210053 2362301 276-1915 3102014 443-875 612194-1 74LS32 74LS32CH 74LS32DC 74LS32J 74LS32L 74LS32N 74LS32P 74LS32PC 74LS32W AMX3557 C74LS32P DM74LS32N DN74LS32 EAQ00-17600 ECG74LS32 GD74LS32 HD74LS32 HD74LS32P HE-443-875 HEPC74LS32P LS32 LS32N M74LS32P MB74LS32 MB74LS32M N74LS32F N74LS32N NTE74LS32 P61LS32**H PCMB74LS32M SK74LS32 SN74LS32 SN74LS32J SN74LS32JD SN74LS32JDS SN74LS32JS SN74LS32N SN74LS32ND SN74LS32NDS SN74LS32NS SN74LS32W T74LS32B1 T74LS32BI T74LS32D1 TCG74LS32 VHINS74LS32-1 VHISN74LS32-1 X420300320 X420500320 |
| 32 | MB74LS32M | 8210053 2362301 276-1915 3102014 443-875 612194-1 74LS32 74LS32CH 74LS32DC 74LS32J 74LS32L 74LS32N 74LS32P 74LS32PC 74LS32W AMX3557 C74LS32P DM74LS32N DN74LS32 EAQ00-17600 ECG74LS32 GD74LS32 HD74LS32 HD74LS32P HE-443-875 HEPC74LS32P LS32 LS32N M74LS32P MB74LS32 MB74LS32M N74LS32F N74LS32N NTE74LS32 P61LS32**H PCMB74LS32M SK74LS32 SN74LS32 SN74LS32J SN74LS32JD SN74LS32JDS SN74LS32JS SN74LS32N SN74LS32ND SN74LS32NDS SN74LS32NS SN74LS32W T74LS32B1 T74LS32BI T74LS32D1 TCG74LS32 VHINS74LS32-1 VHISN74LS32-1 X420300320 X420500320 |
| 33 | MB74LS33 | 74LS33 74LS33PC EAQ00-24000 ECG74LS33 MB74LS33 MB74LS33M N74LS33F N74LS33N NTE74LS33 SK74LS33 SN74LS33 SN74LS33J SN74LS33N SN74LS33NS |
| 34 | MB74LS352 | 74LS352 74LS352DC 74LS352PC DM74LS352N DM74LS352W ECG74LS352 M74LS352P MB74LS352 MB74LS352M N74LS352N NTE74LS352 SK74LS352 SN74LS352 SN74LS352J SN74LS352JD SN74LS352JDS SN74LS352JS SN74LS352N SN74LS352ND SN74LS352NDS SN74LS352NS T74LS352B1 TCG74LS352 |
| 35 | MB74LS352M | 74LS352 74LS352DC 74LS352PC DM74LS352N DM74LS352W ECG74LS352 M74LS352P MB74LS352 MB74LS352M N74LS352N NTE74LS352 SK74LS352 SN74LS352 SN74LS352J SN74LS352JD SN74LS352JDS SN74LS352JS SN74LS352N SN74LS352ND SN74LS352NDS SN74LS352NS T74LS352B1 TCG74LS352 |
| 36 | MB74LS353 | 74LS353DC 74LS353PC DM74LS352J DM74LS353J DM74LS353N DM74LS353W ECG74LS353 M74LS353P MB74LS353 MB74LS353M N74LS353N NTE74LS353 SK74LS353 SN74LS353 SN74LS353J SN74LS353JD SN74LS353JDS SN74LS353JS SN74LS353N SN74LS353ND SN74LS353NDS SN74LS353NS T74LS353B1 TCG74LS353 |
| 37 | MB74LS353M | 74LS353DC 74LS353PC DM74LS352J DM74LS353J DM74LS353N DM74LS353W ECG74LS353 M74LS353P MB74LS353 MB74LS353M N74LS353N NTE74LS353 SK74LS353 SN74LS353 SN74LS353J SN74LS353JD SN74LS353JDS SN74LS353JS SN74LS353N SN74LS353ND SN74LS353NDS SN74LS353NS T74LS353B1 TCG74LS353 |
| 38 | MB74LS365A | 8210068 612197-1 74LS365 74LS365A 74LS365ADC 74LS365APC DM74LS365AJ DM74LS365AN DM74LS365AW EAQ00-19000 ECG74LS365A HD74LS365AP M74LS365AP MB74LS365A MB74LS365AM N74LS365AF N74LS365AN NTE74LS365A SN74LS365A SN74LS365AJ SN74LS365AJD SN74LS365AJDS SN74LS365AJS SN74LS365AN SN74LS365AND SN74LS365ANDS SN74LS365ANS SN74LS365J SN74LS365N TCG74LS365A |
| 39 | MB74LS365AM | 8210068 612197-1 74LS365 74LS365A 74LS365ADC 74LS365APC DM74LS365AJ DM74LS365AN DM74LS365AW EAQ00-19000 ECG74LS365A HD74LS365AP M74LS365AP MB74LS365A MB74LS365AM N74LS365AF N74LS365AN NTE74LS365A SN74LS365A SN74LS365AJ SN74LS365AJD SN74LS365AJDS SN74LS365AJS SN74LS365AN SN74LS365AND SN74LS365ANDS SN74LS365ANS SN74LS365J SN74LS365N TCG74LS365A |
| 40 | MB74LS366A | 74LS366ADC 74LS366APC DM74LS366AJ DM74LS366AN DM74LS366AW ECG74LS366A M74LS366AP MB74LS366A MB74LS366AM N74LS366AN NTE74LS366A SN74LS366A SN74LS366AJ SN74LS366AJD SN74LS366AJDS SN74LS366AJS SN74LS366AN SN74LS366AND SN74LS366ANDS SN74LS366ANS SN74LS366J SN74LS366N TCG74LS366A |
