Product Overview
The DSC1101 and DSC1121 series are high-performance silicon MEMS oscillators offering excellent jitter and stability across a wide range of supply voltages and temperatures. These oscillators provide a reliable and advanced alternative to traditional quartz or SAW technologies, accelerating product development and enhancing reliability. They are suitable for demanding clock performance criteria in various communications, storage, and networking applications. The DSC1101 features a standby mode for complete power-down, while the DSC1121 disables only the outputs when the EN pin is low. Both are available in industry-standard packages and are direct replacements for standard 4-pin CMOS quartz crystal oscillators.
Product Attributes
- Brand: Microchip Technology Inc.
- Origin: Silicon MEMS technology
- Certifications: RoHS Compliant, Qualified to MIL-STD-883
- Material: Lead-Free
Technical Specifications
| Parameter | Symbol | Min | Typ | Max | Units | Conditions |
| General Characteristics | ||||||
| Supply Voltage | VDD | 2.25 | 3.6 | V | Note 1 | |
| Supply Current (DSC1101, EN low) | IDD | 0.095 | mA | Output disabled | ||
| Supply Current (DSC1121, EN low) | IDD | 20 | 22 | mA | Output disabled | |
| Supply Current (Output Enabled) | IDD | 31 | 35 | mA | CL = 15 pF, F0 = 100 MHz | |
| Frequency Stability | △f | ±10 | ppm | Ext Comm. & Ind. only | ||
| Frequency Stability | △f | ±20 | ppm | All temp ranges | ||
| Frequency Stability | △f | ±25 | ppm | All temp ranges | ||
| Frequency Stability | △f | ±50 | ppm | All temp ranges | ||
| Aging | △f | ±5 | ppm | 1 year @ 25°C | ||
| Startup Time | tSU | 5 | ms | T = 25°C, Note 2 | ||
| Input Logic High | VIH | 0.75×VDD | V | |||
| Input Logic Low | VIL | 0.25×VDD | V | |||
| Output Disable Time | tDS | 5 | ns | Note 3 | ||
| Output Enable Time (DSC1101) | tEN | 20 | ns | |||
| Output Enable Time (DSC1121) | tEN | 5 | ms | |||
| Enable Pull-up Resistor | 40 | kΩ | Note 4 | |||
| Output Logic High | VOH | 0.9×VDD | V | I = ±6 mA | ||
| Output Logic Low | VOL | 0.1×VDD | V | |||
| Rise Time | tR | 1.1 | 2 | ns | 20% to 80%, CL = 15 pF | |
| Fall Time | tF | 1.3 | 2 | ns | 20% to 80%, CL = 15 pF | |
| Frequency Range | f0 | 2.3 | 170 | MHz | CL = 15 pF, –20°C to +70°C and –40°C to +85°C | |
| Frequency Range | f0 | 3.3 | 170 | MHz | CL = 15 pF, –40°C to +105°C and –55°C to +125°C | |
| Output Duty Cycle | SYM | 45 | 55 | % | ||
| Period Jitter | JPER | 3 | psRMS | FOUT = 125 MHz | ||
| Integrated Phase Noise | JPH | 0.3 | psRMS | 200 kHz to 20 MHz @ 125 MHz | ||
| Integrated Phase Noise | JPH | 0.38 | psRMS | 100 kHz to 20 MHz @ 125 MHz | ||
| Integrated Phase Noise | JPH | 1.7 | 2 | psRMS | 12 kHz to 20 MHz @ 125 MHz | |
| Temperature Specifications | ||||||
| Operating Temperature Range (Commercial) | TA | 20 | +70 | °C | Ordering Option E | |
| Operating Temperature Range (Industrial) | TA | 40 | +85 | °C | Ordering Option I | |
| Operating Temperature Range (Ext. Industrial) | TA | 40 | +105 | °C | Ordering Option L | |
| Operating Temperature Range (Automotive) | TA | 55 | +125 | °C | Ordering Option M | |
| Junction Operating Temperature | TJ | +150 | °C | |||
| Storage Temperature Range | TS | 55 | +150 | °C | ||
| Soldering Temperature Range | +260 | °C | 40 sec. max | |||
2411041649_MICROCHIP-DSC1101CI5-050-0000T_C17561866.pdf
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