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| PartNumber | MDB1900ZCQY | MDB1900ZCQY-TR | MDB1900ZCQZ |
| Description | Clock Buffer 19 Out Buffer W-Sst External Feedback | Clock Buffer 19 Out Buffer W-Sst External Feedback | Clock Buffer 19-Output ZDB Buffer w/SST - Internal Feedback |
| Manufacturer | Microchip | Microchip | Microchip Technology |
| Product Category | Clock Buffer | Clock Buffer | Clock/Timing - Application Specific |
| RoHS | Y | Y | - |
| Packaging | Tray | Reel | Tray Alternate Packaging |
| Brand | Microchip Technology | Microchip Technology | - |
| Moisture Sensitive | Yes | - | - |
| Product Type | Clock Buffer | Clock Buffer | - |
| Factory Pack Quantity | 168 | 1000 | - |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | - |
| Series | - | - | - |
| Package Case | - | - | 72-VFQFN Exposed Pad |
| Operating Temperature | - | - | 0°C ~ 70°C |
| Mounting Type | - | - | Surface Mount |
| Voltage Supply | - | - | 2.375 V ~ 3.465 V |
| Supplier Device Package | - | - | 72-QFN (10x10) |
| PLL | - | - | Yes |
| Main Purpose | - | - | PCI Express (PCIe), SATA CPU |
| Input | - | - | HCSL |
| Output | - | - | HCSL |
| Number of Circuits | - | - | 1 |
| Ratio InputOutput | - | - | 1899/12/30 1:19:00 |
| Differential InputOutput | - | - | Yes/Yes |
| Frequency Max | - | - | 133.33MHz |