| 序号 | 芯片名称 | 代换型号 |
|---|---|---|
| 1 | HD74LS247 | 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 |
| 2 | HD74LS247P | 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 |
| 3 | HD74LS249 | 74LS249DC 74LS249PC ECG74LS249 HD74LS249 HD74LS249P MB74LS249 MB74LS249M MH746 NTE74LS249 SK74LS249 SN74LS249 SN74LS249J SN74LS249JD SN74LS249JDS SN74LS249JS SN74LS249N SN74LS249ND SN74LS249NDS SN74LS249NS TCG74LS249 |
| 4 | HD74LS249P | 74LS249DC 74LS249PC ECG74LS249 HD74LS249 HD74LS249P MB74LS249 MB74LS249M MH746 NTE74LS249 SK74LS249 SN74LS249 SN74LS249J SN74LS249JD SN74LS249JDS SN74LS249JS SN74LS249N SN74LS249ND SN74LS249NDS SN74LS249NS TCG74LS249 |
| 5 | HD74LS251 | 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 |
| 6 | HD74LS251P | 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 |
| 7 | HD74LS253 | 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 |
| 8 | HD74LS253P | 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 |
| 9 | HD74LS257 | 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 |
| 10 | HD74LS257P | 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 |
| 11 | HD74LS258 | 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 |
| 12 | HD74LS258P | 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 |
| 13 | HD74LS259 | 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 |
| 14 | HD74LS259P | 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 |
| 15 | HD74LS26 | 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 |
| 16 | HD74LS266 | 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 |
| 17 | HD74LS266P | 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 | HD74LS26P | 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 |
| 19 | HD74LS27 | 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 |
| 20 | HD74LS273P | 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 |
| 21 | HD74LS279 | 197381 443-854 74LS279DC 74LS279PC C74LS279P DM74LS279N ECG74LS279 HD74LS279 HD74LS279P HE-443-854 HEPC74LS279P M74LS279P N74LS279F N74LS279N NTE74LS279 SK74LS279 SN74LS279 SN74LS279J SN74LS279JD SN74LS279JDS SN74LS279JS SN74LS279N SN74LS279ND SN74LS279NDS SN74LS279NS T74LS279B1 TCG74LS279 |
| 22 | HD74LS279P | 197381 443-854 74LS279DC 74LS279PC C74LS279P DM74LS279N ECG74LS279 HD74LS279 HD74LS279P HE-443-854 HEPC74LS279P M74LS279P N74LS279F N74LS279N NTE74LS279 SK74LS279 SN74LS279 SN74LS279J SN74LS279JD SN74LS279JDS SN74LS279JS SN74LS279N SN74LS279ND SN74LS279NDS SN74LS279NS T74LS279B1 TCG74LS279 |
| 23 | HD74LS27P | 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 |
| 24 | HD74LS280 | 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 | HD74LS280P | 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 | HD74LS283 | 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 | HD74LS283P | 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 | HD74LS290 | 443-731 74LS290 74LS290DC 74LS290PC DM74LS290N ECG74LS290 HD74LS290 HD74LS290P HE-443-731 M74LS290P N74LS290F NT74LS290N NTE74LS290 SK74LS290 SN74LS290 SN74LS290J SN74LS290JD SN74LS290JDS SN74LS290JS SN74LS290N SN74LS290ND SN74LS290NDS SN74LS290NS TCG74LS290 |
| 29 | HD74LS290P | 443-731 74LS290 74LS290DC 74LS290PC DM74LS290N ECG74LS290 HD74LS290 HD74LS290P HE-443-731 M74LS290P N74LS290F NT74LS290N NTE74LS290 SK74LS290 SN74LS290 SN74LS290J SN74LS290JD SN74LS290JDS SN74LS290JS SN74LS290N SN74LS290ND SN74LS290NDS SN74LS290NS TCG74LS290 |
| 30 | HD74LS293 | 443-733 74LS293 74LS293DC 74LS293PC DM74LS293N ECG74LS293 HD74LS293 HD74LS293P HE-443-733 M74LS293P N74LS293F N74LS293N NTE74LS293 SK74LS293 SN74LS293 SN74LS293J SN74LS293JD SN74LS293JDS SN74LS293JS SM74LS293N SN74LS293ND SN74LS293NDS SN74LS293NS TCG74LS293 |
| 31 | HD74LS293P | 443-733 74LS293 74LS293DC 74LS293PC DM74LS293N ECG74LS293 HD74LS293 HD74LS293P HE-443-733 M74LS293P N74LS293F N74LS293N NTE74LS293 SK74LS293 SN74LS293 SN74LS293J SN74LS293JD SN74LS293JDS SN74LS293JS SM74LS293N SN74LS293ND SN74LS293NDS SN74LS293NS TCG74LS293 |
| 32 | HD74LS295B | 74LS295ADC 74LS295AFC 74LS295APC ECG74LS295A HD74LS295B HD74LS295BP M74LS295AP M74LS295BP N74LS295BF N74LS295BN NTE74LS295 NTE74LS295A SN74LS295AJ SN74LS295AJD SN74LS295AJDS SN74LS295AJS SN74LS295AN SN74LS295AND SNT74LS295ANDS SN74LS295ANS SN74LS295B SN74LS295BJ SN74LS295BN |
| 33 | HD74LS295BP | 74LS295ADC 74LS295AFC 74LS295APC ECG74LS295A HD74LS295B HD74LS295BP M74LS295AP M74LS295BP N74LS295BF N74LS295BN NTE74LS295 NTE74LS295A SN74LS295AJ SN74LS295AJD SN74LS295AJDS SN74LS295AJS SN74LS295AN SN74LS295AND SNT74LS295ANDS SN74LS295ANS SN74LS295B SN74LS295BJ SN74LS295BN |
| 34 | HD74LS298 | 74LS298DC 74LS298PC C74LS298P ECG74LS298 HD74LS298 HD74LS298P HEPC74LS298P M74LS298P N74LS298F N74LS298N NTE74LS298 SK74LS298 SN74LS298 SN74LS298J SN74LS298JD SN74LS298JDS SN74LS298JS SN74LS298N SN74LS298ND SN74LS298NDS SN74LS298NS TCG74LS298 |
| 35 | HD74LS298P | 74LS298DC 74LS298PC C74LS298P ECG74LS298 HD74LS298 HD74LS298P HEPC74LS298P M74LS298P N74LS298F N74LS298N NTE74LS298 SK74LS298 SN74LS298 SN74LS298J SN74LS298JD SN74LS298JDS SN74LS298JS SN74LS298N SN74LS298ND SN74LS298NDS SN74LS298NS TCG74LS298 |
| 36 | HD74LS299 | 74LS299DC 74LS299FC ECG74LS299 HD74LS299 HD74LS299P M74LS299P N74LS299F N74LS299N NTE74LS299 SN74LS299 SN74LS299J SN74LS299JD SN74LS299JDS SN74LS299JS SN74LS299N SN74LS299ND SN74LS299NDS SN74LS299NS |
| 37 | HD74LS299P | 74LS299DC 74LS299FC ECG74LS299 HD74LS299 HD74LS299P M74LS299P N74LS299F N74LS299N NTE74LS299 SN74LS299 SN74LS299J SN74LS299JD SN74LS299JDS SN74LS299JS SN74LS299N SN74LS299ND SN74LS299NDS SN74LS299NS |
| 38 | HD74LS30 | 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 |
| 39 | HD74LS30P | 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 |
| 40 | HD74LS32 | 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 |
