| PartNumber | 9DB1933AKLF | 9DB1904BKLF | 9DB1904BKLFT |
| Description | Clock Buffer 19 OUTPUT PCIE GEN3 BUFFER | Clock Buffer 19 OUTPUT PCIE GEN2 BUFFER w/QPI | Clock Buffer 19 OUTPUT PCIE GEN2 BUFFER w/QPI |
| Manufacturer | IDT (Integrated Device Technology) | IDT (Integrated Device Technology) | IDT (Integrated Device Technology) |
| Product Category | Clock Buffer | Clock Buffer | Clock Buffer |
| RoHS | Y | Y | Y |
| Series | 9DB1933 | 9DB1904B | 9DB1904B |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | VFQFPN-72 | VFQFPN-72 | VFQFPN-72 |
| Packaging | Tray | Tray | Reel |
| Height | 1 mm | 1 mm | 1 mm |
| Length | 10 mm | 10 mm | 10 mm |
| Width | 10 mm | 10 mm | 10 mm |
| Brand | IDT | IDT | IDT |
| Moisture Sensitive | Yes | Yes | Yes |
| Product Type | Clock Buffer | Clock Buffer | Clock Buffer |
| Factory Pack Quantity | 168 | 168 | 2500 |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | Clock & Timer ICs |
| Tradename | PCI EXPRESS | PCI EXPRESS | PCI EXPRESS |
| Part # Aliases | 9DB1933 ICS9DB1933AKLF | 9DB1904B ICS9DB1904BKLF | 9DB1904B ICS9DB1904BKLFT |