序号 芯片名称 代换型号
1TCG74LS158

74LS158 74LS158DC 74LS158PC CO14345 C74LS158P CO14345 ECG74LS158 GD74LS158 HD74LS158 HD74LS158P HEPC74LS158P M74LS158P MB74LS158 MB74LS158M N74LS158F N74LS158N NTE74LS158 SK1923 SN74LS158 SN74LS158J SN74LS158JD SN74LS158JDS SN74LS158JS SN74LS158N SN74LS158ND SN74LS158NDS SN74LS158NS TCG74LS158

2TCG74LS160A

74LS160PC DM74LS160AN ECG74LS160A HD74LS160 M74LS160AP MB74LS160A MB74LS160AM N74LS160AF N74LS160AN NTE74LS160A SN74LS160A SIM74LS160AJ SN74LS160AJD SN74LS160AJDS SN74LS160AJS SN74LS160AN SN74LS160AND SN74LS160ANDS SN74LS160ANS SN74LS160J SN74LS160N TCG74LS160A

3TCG74LS161A

443-757 74LS161 74LS161AN 74LS161CH 74LS161DC 74LS161J 74LS161PC 74LS161W DM74LS161AN ECG74LS161A HD74LS161 HD74LS161P HE-443-757 M74LS161AP M74LS161P MB74LS161A MB74LS161AM N74LS161AF N74LS161AN NTE74LS161A POSN74LS161AN SK74LS161 SN74LS161A SN74LS161AJ SN74LS161AJD SN74LS161AJDS SN74LS161AJS SN74LS161AN SN74LS161AND SN74LS161ANDS SN74LS161ANS SN74LS161AW SN74LS161J SN74LS161N T74LS161B1 TCG74LS161A X420201610 X420301610

4TCG74LS162A

74LS162PC DM74LS162AN ECG74LS162A HD74LS162 HD74LS162P M74LS162AP MB74LS162A MB74LS162AM N74LS162AF N74LS162AN NTE74LS162A SN74LS162A SN74LS162AJ SN74LS162AJD SN74LS162AJDS SN74LS162AJS SN74LS162AN SN74LS162AND SN74LS162ANDS SN74LS162ANS SN74LS162J SN74LS162N TCG74LS162A

5TCG74LS163A

443-934 74LS163 74LS163CH 74LS163DC 74LS163J 74LS163PC 74LS163W 74S163 DM74LS163AN DM74LS163N DM74S163N EAQOO-20300 ECG74LS163A HD74LS163 HD74LS163P HE-443-934 IC-74LS163 M74LS163AP M74LS163P MB74LS163A MB74LS163AM N74LS163AF N74LS163AN NTE74LS163A ON74LS163AN SK74LS163 SN74LS163A SN74LS163AJ SN74LS163AJD SN74LS163AJDS SN74LS163AJS SN74LS163AN SN74LS163AND SN74LS163ANDS SN74LS163ANS SN74LS163AW SN74LS163J SM74LS163N SN74S163 SN74S163J TCG74LS163A TCG74S163 X420301630

6TCG74LS164

74LS164 74LS164DC 74LS164FC 74LS164N 74LS164PC 9LS164PC DM74LS164N ECG74LS164 HD74LS164 HD74LS164P HE-443-769 M74LS164P N74LS164F N74LS164N NTE74LS164 SK74LS164 SN74LS164 SN74LS164J SN74LS164JD SN74LS164JDS SN74LS164JS SN74LS164N SN74LS164ND SN74LS164NDS SN74LS164NS TCG74LS164 X420301640

7TCG74LS173A

74LS173A DM74LS173N ECG74LS173 M74LS173AP NTE74LS173A SK1922 SIST74LS173A SN74LS173AJ SN74LS173AJD SN74LS173AJDS SN74LS173AJS SN74LS173AN SN74LS173AND SN74LS173ANDS SN74LS173ANS TCG74LS173A

8TCG74LS174

3102022 443-879 74LS174 74LS174N 74LS174PC 9LS174DC 9LS174DM 9LS174PC AMX3565 C74LS174P DM74LS174N DN74LS174P EAQ00-13100 ECG74LS174 HD74LS174 HD74LS174P HE-443-879 HEPC74LS174P I61DLS1740 LS174 M74LS174P MB74LS174 MB74LS174M N74LS174B N74LS174F N74LS174N NTE74LS174 ON74LS174N SK74LS174 SN74LS174 SN74LS174J SN74LS174JD SN74LS174JDS SM74LS174JS SN74LS174N SN74LS174ND SN74LS174NDS SN74LS174NS T74LS174B1 TCG74LS174 BLOCK-1616 13-117-6 3102023 443-752 74LS175 74LS175DC 74LS175N 74LS175PC 901521-34 9LS175DC 9LS175PC AMX3566 C74LS175P DM74LS175N ECG74LS175 GD74LS175 HD74LS175 HD74LS175P HE-443-752 HEPC74LS175P M74LS175P MB74LS175 MB74LS175M N74LS175B N74LS175F N74LS175N NTE74LS175 ON74LS175N SK74LS175 SN74LS175 SN74LS175J SN74LS175JD SN74LS175JDS SN74LS175JS SN74LS175N SN74LS175ND SN74LS175NDS SN74LS175NS T74LS175B1 TCG74LS175

9TCG74LS190

74LS190PC C74LS190P DM74LS190N ECG74LS190 HD74LS190 HD74LS190P HEPC74LS190P M74LS190P MB74LS190 MB74LS190M N74LS190F N74LS190N NTE74LS190 SN74LS190 SN74LS190J SN74LS190JD SN74LS190JDS SN74LS190JS SN74LS190N SN74LS190ND SN74LS190NDS SN74LS190NS TCG74LS190

10TCG74LS191

74LS191CH 74LS191DC 74LS19U 74LS191PC 74LS191W C74LS191P DM74LS191N ECG74LS191 HD74LS191 HD74LS191P HEPC74LS191P M74LS191P MB74LS191 MB74LS191M N74LS191F N74LS191N NTE74LS191 SK74LS191 SN74LS191 SN74LS191J SN74LS191JD SN74LS191JDS SN74LS191JS SN74LS191N SN74LS191ND SN74LS191NDS SN74LS191NS SN74LS191W TCG74LS191

11TCG74LS192

443-817 74LS192 74LS192DC 74LS192PC C74LS192P DM74LS192N ECG74LS192 HD74LS192 HD74LS192P HE-443-817 HEPC74LS192P M74LS192P MB74LS192 MB74LS192M N74LS192F N74LS192N NTE74LS192 SN74LS192 SN74LS192J SN74LS192JD SN74LS192JDS SN74LS192JS SN74LS192N SN74LS192ND SN74LS192NDS SN74LS192NS TCG74LS192

12TCG74LS193

09A04 443-815 74LS193 74LS193CH 74LS193DC 74LS193J 74LS193N 74LS193PC 74LS193W 901521-26 C74LS193P DM74LS193N ECG74LS193 HD74LS193 HD74LS193P HE-443-815 HEPC74LS193P IC-74LS193 M74LS193P MB74LS193 MB74LS193M N74LS193F N74LS193N NTE74LS193 SK74LS193 SN74LS193 SN74LS193J SN74LS193JD SN74LS193JDS SN74LS193JS SN74LS193N SN74LS193ND SN74LS193NDS SN74LS193NS SN74LS193W TCG74LS193

13TCG74LS194

74LS194 74LS194ADC 74LS194AFC 74LS194APC 74LSPUAPC 9LS194DC 9LS194DM 9LS194PC DM74LS194AN ECG74LS194A HD74LS194A HD74LS194AP M74LS194AP N74LS194AF N74LS194AN NTE74LS194 NTE74LS194A SK74LS194 SK74LS194A SN74LS194A SN74LS194AJ SN74LS194AJD SN74LS194AJDS SN74LS194AJS SN74LS194AN SN74LS194AND SN74LS194ANDS SN74LS194ANS TCG74LS194

14TCG74LS195A

443-718 74LS195ADC 74LS195AFC 74LS195APC 93L00DC 93LOODM 9LS195PC DM74LS195AN ECG74LS195A HD74LS195A HD74LS195AP HE-443-718 M74LS195AP N74LS195AF N74LS195AN NTE74LS195A SK74LS195 SN74LS195 SN74LS195A SN74LS195AJ SN74LS195AJD SN74LS195AJDS SN74LS195AJS SN74LS195AN SN74LS195AND SN74LS195ANDS SN74LS195ANS SN74LS195N TCG74LS195A X420301950

15TCG74LS196

307-152-9-005 443-801 74LS196 74LS196PC C74LS196P DM74LS196 DM74LS196N ECG74LS196 FC74LS196N HE-443-801 HEPC74LS196P M74LS196P N74LS196F N74LS196N NTE74LS196 SK74LS196 SN74LS196 SN74LS196J SN74LS196JD SN74LS196JDS SN74LS196JS SN74LS196N SN74LS196ND SN74LS196NDS SN74LS196NS TCG74LS196

16TCG74LS197

74LS197 74LS197DC 74LS197PC 901521-54 C74LS197P DM74LS197N ECG74LS197 HEPC74LS197P M74LS197P N74LS197F N74LS197N N8293F N8293N NTE74LS197 SK1921 SN74LS197 SN74LS197J SN74LS197JD SN74LS197JDS SN74LS197JS SN74LS197N SN74LS197ND SN74LS197NDS SN74LS197NS TCG74LS197

17TCG74LS20

3102011 443-798 74LS20 74LS20CH 74LS20DC 74LS20J 74LS20N 74LS20PC 74LS20W AMX3555 C74LS20P DM74LS20N ECG74LS20 HD74LS20 HD74LS20P HE-443-798 HEPC74LS20P IC-74LS20 LS20 M74LS20P MB74LS20 MB74LS20M N74LS20F N74LS20N NTE74LS20 SK74LS20 SN74LS20 SN74LS20J SN74LS20JD SN74LS20JDS SN74LS20JS SN74LS20N SN74LS20ND SN74LS20NDS SN74LS20NS SN74LS20W T74LS20B1 T74LS20D1 TCG74LS20 X420300200

18TCG74LS21

443-961 74LS21 74LS21DC 74LS21PC ECG74LS21 GD74LS21 HD74LS21 HD74LS21P M74LS21P MB74LS21 MB74LS21M N74LS21F N74LS21N NTE74LS21 SK1920 SN74LS21 SN74LS21J SN74LS21JD SN74LS21JDS SN74LS21JS SN74LS21N SN74LS21ND SN74LS21NDS SN74LS21NS T74LS21B1 T74LS21D1 TCG74LS21

19TCG74LS22

8210063 74LS22 74LS22PC ECG74LS22 HD74LS22 HD74LS22P M74LS22P MB74LS22 MB74LS22M N74LS22F N74LS22N NTE74LS22 SK74LS22 SN74LS22 SN74LS22J SN74LS22JD SN74LS22JDS SIST74LS22JS SN74LS22N SN74LS22ND SN74LS22NDS SN74LS22NS T74LS22B1 T74LS22D1 TCG74LS22

20TCG74LS221

6300656 178744 74221 74LS221 74LS221CH 74LS221J 74LS221W AMX3810 ECG74LS221 HD74LS221 HD74LS221P M74LS221P MB74LS221 MB74LS221M N74LS221F N74LS221N NTE74LS221 POSN74LS221N S4LS221N SK74LS221 SN74LS221 SN74LS221J SN74LS221JD SN74LS221JDS SN74LS221JS SN74LS221N SN74LS221ND SN74LS221NDS SN74LS221NS SN74LS221W TCG74LS221 TVSS4LS221N VHIHD74LS221/ X420302210

21TCG74LS240

443-754 74LS240 74LS240DC 74LS240N 74LS240PC AMX4225 DM74LS240N DN74LS240P ECG74LS240 GD74LS240 HD74LS240 HD74LS240P HE-443-754 HP74LS240P 161DLS2400 LS240 M74LS240P MB74LS240 MB74LS240M N74LS240F N74LS240N NTE74LS240 ON74LS240N SK74LS240 SN74LS240 SN74LS240J SN74LS240JD SN74LS240JDS SN74LS240JS SN74LS240N SN74LS240ND SN74LS240NDS SN74LS240NS TCG74LS240

22TCG74LS241

443-824 74LS241 74LS241DC 74LS241N 74LS241PC DM74LS241N ECG74LS241 HD74LS241 HD74LS241P HE-443-824 M74LS241P MB74LS241 N74LS241F N74LS241N NTE74LS241 SK74LS241 SN74LS241 SN74LS241J SN74LS241JD SN74LS241JDS SN74LS241JS SN74LS241N SN74LS241ND SN74LS241NDS SN74LS241NS TCG74LS241

23TCG74LS242

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

24TCG74LS243

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

25TCG74LS244

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

26TCG74LS245

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

27TCG74LS247

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

28TCG74LS249

74LS249DC 74LS249PC ECG74LS249 HD74LS249 HD74LS249P MB74LS249 MB74LS249M MH746 NTE74LS249 SK74LS249 SN74LS249 SN74LS249J SN74LS249JD SN74LS249JDS SN74LS249JS SN74LS249N SN74LS249ND SN74LS249NDS SN74LS249NS TCG74LS249

29TCG74LS251

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

30TCG74LS253

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

31TCG74LS257

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

32TCG74LS258

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

33TCG74LS259

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

34TCG74LS26

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

35TCG74LS266

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

36TCG74LS27

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

37TCG74LS273

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

38TCG74LS279

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

39TCG74LS280

74LS280 ECG74LS280 HD74LS280 HD74LS280P HE-443-1001 M74LS280P MB74LS280 MB74LS280M NTE74LS280 SK74LS280 SN74LS280 SN74LS280J SN74LS280JD SN74LS280JDS SN74LS280JS SISI74LS280N SN74LS280ND SN74LS280NDS SN74LS280NS SIST74LS280W TCG74LS280 TCG74S280

40TCG74LS283

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