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| PartNumber | 8543BGLF | 8543BGILF | 8543BGILFT |
| Description | Clock Buffer 1-4 Differential to LVDS Fanout Buffer | Clock Buffer 1-4 Differential to LVDS Fanout Buffer | Clock Buffer 1-4 Differential to LVDS Fanout Buffer |
| 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 | 8543 | - | - |
| Number of Outputs | 4 Output | 4 Output | - |
| Propagation Delay Max | 2.6 ns | 2.6 ns | - |
| Supply Voltage Max | 3.465 V | 3.465 V | - |
| Supply Voltage Min | 3.135 V | 3.135 V | - |
| Minimum Operating Temperature | 0 C | - 40 C | - |
| Maximum Operating Temperature | + 70 C | + 85 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | TSSOP-20 | TSSOP-20 | - |
| Packaging | Tube | Tube | Reel |
| Height | 1 mm | - | - |
| Length | 6.5 mm | - | - |
| Width | 4.4 mm | - | - |
| Brand | IDT | IDT | IDT |
| Operating Supply Current | 50 mA | 50 mA | - |
| Product Type | Clock Buffer | Clock Buffer | Clock Buffer |
| Factory Pack Quantity | 74 | 74 | 3000 |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | Clock & Timer ICs |
| Part # Aliases | 8543 ICS8543BGLF | ICS8543BGILF | ICS8543BGILFT |
| Unit Weight | 0.006737 oz | 0.006737 oz | - |