序号 芯片名称 代换型号
1SN74LS160ANDS

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

2SN74LS160ANS

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

3SN74LS160J

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

4SN74LS160N

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

5SN74LS161A

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

6SN74LS161AJ

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

7SN74LS161AJD

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

8SN74LS161AJDS

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

9SN74LS161AJS

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

10SN74LS161AN

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

11SN74LS161AND

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

12SN74LS161ANDS

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

13SN74LS161ANS

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

14SN74LS161AW

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

15SN74LS161J

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

16SN74LS161N

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

17SN74LS162A

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

18SN74LS162AJ

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

19SN74LS162AJD

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

20SN74LS162AJDS

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

21SN74LS162AJS

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

22SN74LS162AN

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

23SN74LS162AND

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

24SN74LS162ANDS

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

25SN74LS162ANS

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

26SN74LS162J

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

27SN74LS162N

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

28SN74LS163A

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

29SN74LS163AJ

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

30SN74LS163AJD

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

31SN74LS163AJDS

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

32SN74LS163AJS

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

33SN74LS163AN

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

34SN74LS163AND

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

35SN74LS163ANDS

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

36SN74LS163ANS

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

37SN74LS163AW

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

38SN74LS163J

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

39SN74LS163N

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

40SN74LS164

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