MICROCHIP DSC1123CI2-1250000 Silicon MEMS LVDS Oscillator Performance for Communications and Storage
Product Overview
The DSC1103 & DSC1123 series are high-performance, low-jitter precision LVDS oscillators utilizing advanced silicon MEMS technology. These oscillators offer excellent jitter and stability across a wide range of supply voltages and temperatures, providing a reliable and faster alternative to traditional quartz or SAW oscillators. They are designed for demanding communications, storage, and networking applications, offering industry-standard packages and drop-in replacement capabilities for 6-pin LVDS quartz crystal oscillators.
Product Attributes
- Brand: Discera
- Technology: Silicon MEMS
- Certifications: RoHS Compliant, Qualified to MIL-STD-883
- Lead Time: 2 Weeks
- Reliability: 20x better MTBF than quartz oscillators
- Environmental: Lead Free
Technical Specifications
| Parameter | Condition | Min. | Typ. | Max. | Unit | Notes |
| Supply Voltage | VDD | 2.25 | 3.6 | V | Pin 6 VDD should be filtered with 0.1uf capacitor. | |
| Supply Current (DSC1103) | EN pin low outputs are disabled | 0.095 | mA | |||
| Supply Current (DSC1123) | EN pin low outputs are disabled | 20 | 22 | mA | ||
| Frequency Stability | Includes frequency variations due to initial tolerance, temp. and power supply voltage | ±10, ±25, ±50 | ppm | |||
| Aging | 1 year @25C | ±5 | ppm | |||
| Startup Time | tSU T=25C | 5 | ms | Time to 100ppm of output frequency after VDD is applied and outputs are enabled. | ||
| Input Logic High | VIH | 0.75xVDD | V | |||
| Input Logic Low | VIL | 0.25xVDD | V | |||
| Output Disable Time | tDA | 5 | ns | |||
| Output Enable Time (DSC1103) | tEN | 5 | ms | |||
| Output Enable Time (DSC1123) | tEN | 20 | ms | |||
| Enable Pull-Up Resistor | Pull-up resistor exist | 40 | kΩ | |||
| LVDS Output Supply Current | Output Enabled, RL=100Ω | 29 | 32 | mA | ||
| LVDS Output Offset Voltage | R=100Ω Differential | 1.125 | 1.4 | V | ||
| LVDS Delta Offset Voltage | 50 | mV | Pk to Pk | |||
| LVDS Output Swing | Single-Ended | 350 | mV | |||
| LVDS Output Transition Time | Rise Time tR, Fall Time tF, 20% to 80% RL=50Ω, CL= 2pF | 200 | ps | |||
| Frequency Range | f0 Single Frequency | 2.3 | 460 | MHz | ||
| Output Duty Cycle | Differential | 48 | 52 | % | ||
| Period Jitter | JPER | 2.5 | psRMS | |||
| Phase Jitter (Integrated) | 100kHz to 20MHz @156.25MHz | 0.4 | psRMS | |||
| Phase Jitter (Integrated) | 12kHz to 20MHz @156.25MHz | 1.7 | psRMS | |||
| Phase Jitter (Integrated) | 200kHz to 20MHz @156.25MHz | 0.28 | psRMS | |||
| Temperature Range (Industrial) | -40 | 85 | °C | |||
| Temperature Range (Ext. Commercial) | -20 | 70 | °C | |||
| Absolute Maximum Supply Voltage | -0.3 | 4.0 | V | |||
| Absolute Maximum Input Voltage | -0.3 | VDD+0.3 | V | |||
| Absolute Maximum Junction Temp | 150 | °C | ||||
| Absolute Maximum Storage Temp | -55 | 150 | °C | |||
| Absolute Maximum Soldering Temp | 40sec max. | 260 | °C | |||
| ESD (HBM) | 4000 | V | ||||
| ESD (CDM) | 1500 | V |
Applications
Storage Area Networks (SATA, SAS, Fibre Channel), Passive Optical Networks (EPON, 10G-EPON, GPON, 10G-PON), Ethernet (1G, 10GBASE-T/KR/LR/SR, and FCoE), HD/SD/SDI Video & Surveillance, PCI Express (Gen 1 & Gen 2), DisplayPort.
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