序号 芯片名称 代换型号
1SN74LS173ANDS

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

2SN74LS173ANS

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

3SN74LS174

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

4SN74LS174J

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

5SN74LS174JD

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

6SN74LS174JDS

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

7SN74LS174JS

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

8SN74LS174N

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

9SN74LS174ND

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

10SN74LS174NDS

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

11SN74LS174NS

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

12SN74LS181

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

13SN74LS181J

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

14SN74LS181JD

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

15SN74LS181JDS

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

16SN74LS181JS

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

17SN74LS181N

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

18SN74LS181ND

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

19SN74LS181NDS

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

20SN74LS181NS

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

21SN74LS190

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

22SN74LS190J

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

23SN74LS190JD

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

24SN74LS190JDS

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

25SN74LS190JS

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

26SN74LS190N

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

27SN74LS190ND

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

28SN74LS190NDS

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

29SN74LS190NS

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

30SN74LS191

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

31SN74LS191J

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

32SN74LS191JD

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

33SN74LS191JDS

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

34SN74LS191JS

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

35SN74LS191N

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

36SN74LS191ND

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

37SN74LS191NDS

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

38SN74LS191NS

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

39SN74LS191W

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

40SN74LS192

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