| PartNumber | 97U877AHLFT | 97U870AKLFT | 97U870AKLF |
| Description | Clock Drivers & Distribution 1.8V DDR-II PLL Clock Driver | Clock Drivers & Distribution 1.8V DDR-II PLL CLOC | Clock Drivers & Distribution 1.8V DDR-II PLL CLOC |
| Manufacturer | IDT (Integrated Device Technology) | IDT (Integrated Device Technology) | IDT (Integrated Device Technology) |
| Product Category | Clock Drivers & Distribution | Clock Drivers & Distribution | Clock Drivers & Distribution |
| RoHS | Y | Y | Y |
| Series | 97U877A | 97U870A | 97U870A |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | CABGA-52 | VFQFPN-40 | VFQFPN-40 |
| Packaging | Reel | Reel | Tray |
| Height | 1 mm | 0.9 mm | 0.9 mm |
| Length | 7 mm | 6 mm | 6 mm |
| Width | 4.5 mm | 6 mm | 6 mm |
| Brand | IDT | IDT | IDT |
| Moisture Sensitive | Yes | Yes | Yes |
| Product Type | Clock Drivers & Distribution | Clock Drivers & Distribution | Clock Drivers & Distribution |
| Factory Pack Quantity | 2500 | 5000 | 490 |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | Clock & Timer ICs |
| Part # Aliases | 97U877A ICS97U877AHLFT | 97U870A ICS97U870AKLFT | 97U870A ICS97U870AKLF |