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1 SN74LS221 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 636K TI 5133258
2 SN74LS221 LOW POWER SCHOTTKY 123K ON 4187418
3 SN74LS221 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 636K TI 4187417
4 SN74LS221 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT TRIGGER INPUTS 635K TI 4187416
5 SN74LS221 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 780K TI 2024879
6 SN74LS221 DUAL MONOSTABLE MULTIVIBRATPORS WITH SCHMITT-TRIGGER INPUTS 923K TI 2024878
7 SN74LS221 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 633K TI 408621
8 SN74LS221 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 633K TI 268663
9 SN74LS221D DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 636K TI 5133257
10 SN74LS221D DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 636K TI 4187415
11 SN74LS221D DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 198K MOTOROLA 4187414
12 SN74LS221D LOW POWER SCHOTTKY 123K ON 4187413
13 SN74LS221D DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT TRIGGER INPUTS 635K TI 4187412
14 SN74LS221D DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 780K TI 2024877
15 SN74LS221D DUAL MONOSTABLE MULTIVIBRATPORS WITH SCHMITT-TRIGGER INPUTS 923K TI 2024876
16 SN74LS221D DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 633K TI 408622
17 SN74LS221D DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 633K TI 268664
18 SN74LS221DB DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 636K TI 4603338
19 SN74LS221DB DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 633K TI 268665
20 SN74LS221DBR DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT TRIGGER INPUTS 635K TI 5133256
21 SN74LS221DBR DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT TRIGGER INPUTS 635K TI 4603335
22 SN74LS221DBR DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 636K TI 4603334
23 SN74LS221DBR DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 780K TI 2024875
24 SN74LS221DBR DUAL MONOSTABLE MULTIVIBRATPORS WITH SCHMITT-TRIGGER INPUTS 923K TI 2024874
25 SN74LS221DBR DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 633K TI 408624
26 SN74LS221DBR DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 633K TI 268666
27 SN74LS221DBRE4 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 636K TI 4692654
28 SN74LS221DBRE4 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 780K TI 2024873
29 SN74LS221DBRE4 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 633K TI 268667
30 SN74LS221DBRG4 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 780K TI 2024872