Microchip DSC1101 series MEMS XO, 156.25 MHz, CMOS output, ±25 ppm stability, 2.25V–3.63V supply, -40°C to 105°C, 6-VDFN exposed pad package
| Parameter | Value |
|---|---|
| Type | XO (Standard) |
| Series | DSC1101 |
| Mounting | Surface Mount |
| Voltage | 2.25V ~ 3.63V |
| Current - supply | 35mA |
| Current - supply (Disable) | 95µA |
| Frequency | 156.25 MHz |
| Frequency stability | ±25ppm |
| Operating temperature | -40°C~105°C |
| Size (Dimension) | 0.276\" L x 0.197\" W (7.00mm x 5.00mm) |
| Height - seated | 0.035\" (0.90mm) |
| Output | CMOS |
| Package | Tube |
| Function | Standby (Power Down) |
| Base resonator | MEMS |
| Case | 6-VDFN Exposed Pad |
The DSC1101AL2-156.2500 is a MEMS-based XO (Standard) delivering a 156.25 MHz CMOS output — a common reference frequency for 10GbE, PCIe Gen3, and SFP+ modules, where the ±25 ppm stability keeps the link within the jitter budget without an external VCXO. Supply voltage spans 2.25V to 3.63V, so the same oscillator works across a 2.5V or 3.3V rail without a separate regulator — one BOM line for mixed-voltage designs.
Yes — 3.3V falls within the 2.25V–3.63V supply range, so the oscillator runs directly off a 3.3V rail.
Both share the same 156.25 MHz frequency and DSC1101 series base, but the AL2 suffix may indicate a different stability or function variant. Confirm the BOM's required frequency stability and standby behaviour against the datasheet before substituting.