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| # | Part: | Description: | Manuf. | Package | Pins | T°min | T°max | PDF size |
| 1. |  74HCT643 | Octal bus transceiver; 3-state; true/inverting | NXP Semiconductors | PHILIPS | - | - | - | 59 Kb |
| 2. | M74HCT643 | OCTAL BUS TRANSCEIVER3-STATE: HCT245 NON INVERTING HCT640 INVERTING, HCT643 INVERTING/NON INVERTING | STMicroelectronics | STMICROELECTRONICS | - | - | - | 263 Kb |
| 3. | M54HCT643 | OCTAL BUS TRANSCEIVER3-STATE: HCT245 NON INVERTING HCT640 INVERTING, HCT643 INVERTING/NON INVERTING | STMicroelectronics | STMICROELECTRONICS | - | - | - | 263 Kb |
| 4. | MC74ACT643 | OCTAL BIDIRECTIONAL TRANSCEIVER WITH 3-STATE OUTPUTS | Motorola, Inc | MOTOROLA | - | - | - | 179 Kb |
| 5. | HD74HCT643 | Octal Bus Transceivers (with 3-state outputs) | Hitachi Semiconductor | HITACHI | - | - | - | 54 Kb |
| 6. | MM54HCT643 | Inverting Octal TRI-STATE Transceiver | National Semiconductor | NSC | - | - | - | 133 Kb |
| 7. | MM74HCT643 | Inverting Octal TRI-STATE Transceiver | National Semiconductor | NSC | - | - | - | 133 Kb |
| 8. | IN74ACT643 | OCTAL 3-STATE BUS TRANSCEIVER | Integral Corp. | INTEGRAL | - | - | - | 198 Kb |
| 9. | IN74ACT643 | Octal 3-State Bus Transceiver High-Speed Silicon-Gate CMOS | IK Semicon Co., Ltd | IKSEMICON | - | - | - | 224 Kb |
| 10. | KK74ACT643 | Octal 3-State Bus Transceiver High-Speed Silicon-Gate CMOS | KODENSHI KOREA CORP. | KODENSHI | - | - | - | 234 Kb |
| 11. | SSC-HYT643 | TOP LED DEVICE | Seoul Semiconductor | SEOUL | - | - | - | 417 Kb |
| 12. | SSC-MBT643 | TOP LED DEVICE | Seoul Semiconductor | SEOUL | - | - | - | 408 Kb |
| 13. | SSC-MGT643 | TOP LED DEVICE | Seoul Semiconductor | SEOUL | - | - | - | 458 Kb |
| 14. | T493A227J006AT6430 | SOLID TANTALUM CHIP CAPACITORS | Kemet Corporation | KEMET | - | - | - | 643 Kb |
| 15. | T493A227J006BT6430 | SOLID TANTALUM CHIP CAPACITORS | Kemet Corporation | KEMET | - | - | - | 643 Kb |
| 16. | T493A227J006CT6430 | SOLID TANTALUM CHIP CAPACITORS | Kemet Corporation | KEMET | - | - | - | 643 Kb |
| 17. | T493A227K006AT6430 | SOLID TANTALUM CHIP CAPACITORS | Kemet Corporation | KEMET | - | - | - | 643 Kb |
| 18. | T493A227K006BT6430 | SOLID TANTALUM CHIP CAPACITORS | Kemet Corporation | KEMET | - | - | - | 643 Kb |
| 19. | T493A227K006CT6430 | SOLID TANTALUM CHIP CAPACITORS | Kemet Corporation | KEMET | - | - | - | 643 Kb |
| 20. | T493A227M006AT6430 | SOLID TANTALUM CHIP CAPACITORS | Kemet Corporation | KEMET | - | - | - | 643 Kb |
