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| # | Part: | Description: | Manuf. | Package | Pins | T°min | T°max | PDF size |
| 1. |  74LS22 | DUAL 4 INPUT POSITIVE NAND GATES WITH OPEN COLLECTOR OUTPUTS | Texas Instruments | TI | - | - | - | 239 Kb |
| 2. | 74LS22 | DUAL 4 INPUT POSITIVE NAND GATES WITH OPEN COLLECTOR OUTPUTS | Texas Instruments | TI | - | - | - | 239 Kb |
| 3. | DM74LS22 | DUAL 4-INPUT NAND GATE (WITH OPEN-COLLECTOR OUTPUT) | National Semiconductor | NSC | - | - | - | 55 Kb |
| 4. | HD74LS22 | Ouadruple 2-input Positive NAND Gates | Hitachi Semiconductor | HITACHI | - | - | - | 5.74 Mb |
| 5. | SN74LS22 | DUAL 4 INPUT POSITIVE NAND GATES WITH OPEN COLLECTOR OUTPUTS | Texas Instruments | TI | - | - | - | 239 Kb |
| 6. | HD74LS22 | Dual 4-input Positive NAND Gates(with Open Collector Ouputs) | Hitachi Semiconductor | HITACHI | - | - | - | 47 Kb |
| 7. | 74LS221 | LOW POWER SCHOTTKY | ON Semiconductor | ONSEMI | - | - | - | 132 Kb |
| 8. | 74LS221 | Dual Non-Retriggerable One-Shot with Clear and Complementary Outputs | Fairchild Semiconductor | FAIRCHILD | - | - | - | 114 Kb |
| 9. | DM74LS221 | Dual Non-Retriggerable One-Shot with Clear and Complementary Outputs | Fairchild Semiconductor | FAIRCHILD | - | - | - | 114 Kb |
| 10. | DM74LS221 | Dual Non-Retriggerable One-Shot with Clear and Complementary Outputs | National Semiconductor | NSC | - | - | - | 142 Kb |
| 11. | HD74LS221 | Dual Monostable Multivibrators | Hitachi Semiconductor | HITACHI | - | - | - | 94 Kb |
| 12. | HD74LS221 | Ouadruple 2-input Positive NAND Gates | Hitachi Semiconductor | HITACHI | - | - | - | 5.74 Mb |
| 13. | SN74LS221 | LOW POWER SCHOTTKY | ON Semiconductor | ONSEMI | - | - | - | 132 Kb |
| 14. | SN74LS221 | DUAL MONOSTABLE MULTIVIBRATPORS WITH SCHMITT-TRIGGER INPUTS | Texas Instruments | TI | - | - | - | 905 Kb |
| 15. | SN74LS221 | DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS | Texas Instruments | TI | - | - | - | 622 Kb |
| 16. | SN74LS221 | DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS | Texas Instruments | TI | - | - | - | 762 Kb |
| 17. | HD74LS221 | Dual Monostable Multivibrators | Renesas Technology Corp | RENESAS | - | - | - | 103 Kb |
| 18. | DM74LS221CW | Dual Non-Retriggerable One-Shot with Clear and Complementary Outputs | Fairchild Semiconductor | FAIRCHILD | - | - | - | 114 Kb |
| 19. | SN74LS221D | DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS | Motorola, Inc | MOTOROLA | - | - | - | 201 Kb |
| 20. | SN74LS221D | LOW POWER SCHOTTKY | ON Semiconductor | ONSEMI | - | - | - | 132 Kb |
| 21. | SN74LS221D | DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS | Texas Instruments | TI | - | - | - | 622 Kb |
