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31 SN74LS221DE4 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 633K TI 268668
32 SN74LS221DE4 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 780K TI 2024871
33 SN74LS221DE4 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 636K TI 4985459
34 SN74LS221DG4 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 780K TI 2024870
35 SN74LS221DR DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 636K TI 4145501
36 SN74LS221DR DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT TRIGGER INPUTS 635K TI 4603327
37 SN74LS221DR DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT TRIGGER INPUTS 635K TI 5133255
38 SN74LS221DR DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 633K TI 268669
39 SN74LS221DR DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 633K TI 408625
40 SN74LS221DR DUAL MONOSTABLE MULTIVIBRATPORS WITH SCHMITT-TRIGGER INPUTS 923K TI 2024868
41 SN74LS221DR DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 780K TI 2024869
42 SN74LS221DRE4 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 780K TI 2024867
43 SN74LS221DRE4 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 633K TI 268670
44 SN74LS221DRE4 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 636K TI 4145500
45 SN74LS221DRG4 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 780K TI 2024866
46 SN74LS221N LOW POWER SCHOTTKY 123K ON 4145497
47 SN74LS221N DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 198K MOTOROLA 4145498
48 SN74LS221N DUAL MONOSTABLE MULTIVIBRATPORS WITH SCHMITT-TRIGGER INPUTS 923K TI 2024864
49 SN74LS221N DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 780K TI 2024865
50 SN74LS221N DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 633K TI 268671
51 SN74LS221N DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 633K TI 408626
52 SN74LS221N DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT TRIGGER INPUTS 635K TI 4145496
53 SN74LS221N DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 636K TI 4145499
54 SN74LS221N DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 636K TI 5133254
55 SN74LS221N3 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT TRIGGER INPUTS 635K TI 5133253
56 SN74LS221N3 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 636K TI 4145494
57 SN74LS221N3 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT TRIGGER INPUTS 635K TI 4145495
58 SN74LS221N3 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 633K TI 408627
59 SN74LS221N3 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 780K TI 2024863
60 SN74LS221N3 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 633K TI 268672