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1 SN74LS221NSR DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT TRIGGER INPUTS 635K TI 5133252
2 SN74LS221NSR DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT TRIGGER INPUTS 635K TI 4977302
3 SN74LS221NSR DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 636K TI 4977296
4 SN74LS221NSR DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 780K TI 2024861
5 SN74LS221NSR DUAL MONOSTABLE MULTIVIBRATPORS WITH SCHMITT-TRIGGER INPUTS 923K TI 2024860
6 SN74LS221NSR DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 633K TI 408628
7 SN74LS221NSR DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 633K TI 268674
8 SN74LS221NSRE4 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 636K TI 4977279
9 SN74LS221NSRE4 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 780K TI 2024859
10 SN74LS221NSRE4 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 633K TI 268675
11 SN74LS221NSRG4 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 780K TI 2024858