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1 SN74LS221N DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 636K TI 5133254
2 SN74LS221N DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 636K TI 4145499
3 SN74LS221N DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 198K MOTOROLA 4145498
4 SN74LS221N LOW POWER SCHOTTKY 123K ON 4145497
5 SN74LS221N DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT TRIGGER INPUTS 635K TI 4145496
6 SN74LS221N DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 780K TI 2024865
7 SN74LS221N DUAL MONOSTABLE MULTIVIBRATPORS WITH SCHMITT-TRIGGER INPUTS 923K TI 2024864
8 SN74LS221N DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 633K TI 408626
9 SN74LS221N DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 633K TI 268671
10 SN74LS221N3 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT TRIGGER INPUTS 635K TI 5133253
11 SN74LS221N3 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT TRIGGER INPUTS 635K TI 4145495
12 SN74LS221N3 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 636K TI 4145494
13 SN74LS221N3 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 780K TI 2024863
14 SN74LS221N3 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 633K TI 408627
15 SN74LS221N3 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 633K TI 268672
16 SN74LS221NE4 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 636K TI 4977587
17 SN74LS221NE4 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 780K TI 2024862
18 SN74LS221NE4 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 633K TI 268673
19 SN74LS221NSR DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT TRIGGER INPUTS 635K TI 5133252
20 SN74LS221NSR DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT TRIGGER INPUTS 635K TI 4977302
21 SN74LS221NSR DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 636K TI 4977296
22 SN74LS221NSR DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 780K TI 2024861
23 SN74LS221NSR DUAL MONOSTABLE MULTIVIBRATPORS WITH SCHMITT-TRIGGER INPUTS 923K TI 2024860
24 SN74LS221NSR DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 633K TI 408628
25 SN74LS221NSR DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 633K TI 268674
26 SN74LS221NSRE4 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 636K TI 4977279
27 SN74LS221NSRE4 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 780K TI 2024859
28 SN74LS221NSRE4 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 633K TI 268675
29 SN74LS221NSRG4 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 780K TI 2024858