| Series | Ultra™ Si544 |
| Package | Tape & Reel (TR) |
| Part Status | Active |
| Base Resonator | Crystal |
| Type | XO (Standard) |
| Frequency | 644.53125 MHz |
| Function | Enable/Disable (Reprogrammable) |
| Output | LVDS |
| Voltage - Supply | 1.8V, 2.5V, 3.3V |
| Frequency Stability | ±20ppm |
| Absolute Pull Range (APR) | - |
| Operating Temperature | -40°C ~ 85°C |
| Spread Spectrum Bandwidth | - |
| Current - Supply (Max) | 111mA |
| Ratings | - |
| Mounting Type | Surface Mount |
| Package / Case | 8-SMD, No Lead |
| Size / Dimension | 0.197" L x 0.126" W (5.00mm x 3.20mm) |
| Height - Seated (Max) | 0.052" (1.33mm) |
