Microchip DSC1124 series, XO (Standard), 100 MHz, HCSL output, ±50 ppm stability, 6-SMD package, -40°C to 85°C, Active
| Parameter | Value |
|---|---|
| Type | XO (Standard) |
| Series | DSC1124 |
| Mounting | Surface Mount |
| Supply voltage | 2.25V ~ 3.6V |
| Current - supply | 42mA |
| Current - supply (Disable) | 22mA |
| Frequency | 100 MHz |
| Frequency stability | ±50ppm |
| Operating temperature | -40°C~85°C |
| Size (Dimension) | 0.197\" L x 0.126\" W (5.00mm x 3.20mm) |
| Height - seated | 0.035\" (0.90mm) |
| Output | HCSL |
| Package | Tape & Reel (TR) |
| Function | Enable/Disable |
| Base resonator | MEMS |
| Case | 6-SMD, No Lead |
It operates from a 2.25V to 3.6V supply and draws a maximum of 42 mA when enabled, with a disable mode that drops supply current to 22 mA max — useful for power-gated designs where the clock can be shut down between active periods.
The 6-SMD no-lead package measures 5.00mm x 3.20mm with a seated height of 0.90mm — a standard footprint that reflows on a typical lead-free profile without special handling.
It outputs HCSL (High-Speed Current Steering Logic), a differential signal standard used for PCIe reference clocks and many FPGA clock inputs. It is not a single-ended CMOS output — if your design expects CMOS, you would need a different variant in the DSC1124 family.
A MEMS resonator is a silicon micro-electromechanical structure rather than a quartz crystal. It offers better resistance to shock and vibration, faster startup (typically under 5 ms), and a smaller footprint for the same frequency stability. The trade-off is that MEMS oscillators often have slightly higher phase noise than the best quartz oscillators, though the DSC1124 series is specified for typical applications where jitter is not the dominant concern.
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