序号 芯片名称 代换型号
1N74LS168AN

74LS168DC 74LS168PC ECG74LS168A N74LS168AF N74LS168AN NTE74LS168A SK74LS168A SN74LS168N

2N74LS169AF

74LS169DC 74LS169PC ECG74LS169A N74LS169AF N74LS169AN NTE74LS169A SK74LS169A SN74LS169AJ SN74LS169AN SN74LS169B SN74LS169J SN74LS169N BLOCK-1613 74LS170DC 74LS170FC 74LS170PC C74LS170P DM74LS170N ECG74LS170 HEPC74LS170P M74LS170P N74LS170B N74LS170F N74LS170N NTE74LS170 SN74LS170 SM74LS170J SM74LS170JD SN74LS170JDS SN74LS170JS SN74LS170N SN74LS170ND SN74LS170NDS SW4LS170NS TCG74LS170

3N74LS169AN

74LS169DC 74LS169PC ECG74LS169A N74LS169AF N74LS169AN NTE74LS169A SK74LS169A SN74LS169AJ SN74LS169AN SN74LS169B SN74LS169J SN74LS169N BLOCK-1613 74LS170DC 74LS170FC 74LS170PC C74LS170P DM74LS170N ECG74LS170 HEPC74LS170P M74LS170P N74LS170B N74LS170F N74LS170N NTE74LS170 SN74LS170 SM74LS170J SM74LS170JD SN74LS170JDS SN74LS170JS SN74LS170N SN74LS170ND SN74LS170NDS SW4LS170NS TCG74LS170

4N74LS174B

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

5N74LS174F

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

6N74LS174N

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

7N74LS181F

74LS181PC C74LS181P ECG74LS181 HD74LS181 HD74LS181P HEPC74LS181P MB74LS181 MB74LS181M N74LS181F N74LS181N NTE74LS181 SN74LS181 SN74LS181J SN74LS181JD SN74LS181JDS SN74LS181JS SN74LS181N SN74LS181ND SN74LS181NDS SN74LS181NS

8N74LS181N

74LS181PC C74LS181P ECG74LS181 HD74LS181 HD74LS181P HEPC74LS181P MB74LS181 MB74LS181M N74LS181F N74LS181N NTE74LS181 SN74LS181 SN74LS181J SN74LS181JD SN74LS181JDS SN74LS181JS SN74LS181N SN74LS181ND SN74LS181NDS SN74LS181NS

9N74LS190F

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

10N74LS190N

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

11N74LS191F

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

12N74LS191N

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

13N74LS192F

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

14N74LS192N

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

15N74LS193F

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

16N74LS193N

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

17N74LS194AF

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

18N74LS194AN

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

19N74LS195AF

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

20N74LS195AN

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

21N74LS196F

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

22N74LS196N

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

23N74LS197F

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

24N74LS197N

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

25N74LS20F

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

26N74LS20N

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

27N74LS21F

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

28N74LS21N

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

29N74LS221F

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

30N74LS221N

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

31N74LS22F

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

32N74LS22N

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

33N74LS240F

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

34N74LS240N

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

35N74LS241F

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

36N74LS241N

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

37N74LS242F

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

38N74LS242N

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

39N74LS243F

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

40N74LS243N

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