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Clock Generation and Distribution 
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Silicon and Crystal Oscillators
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DS1087L
3.3V Spread-Spectrum EconOscillator
Industry's Only 3V Single-Chip Oscillator Reduces EMI Up to 20dB
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Key Features
Applications/Uses
Parametric specs for Silicon Oscillators
| fOUT (MHz) (max) | 66 |
| Spread Spectrum | Yes |
| fOUT (kHz) (min) | 130 |
| ΔfOUT (%) (max) | ±1.25 (0 to 70°C) |
| User Prog. fOUT | I2C |
| VCC (V) | 2.7 to 3.6 |
| Reset Out | No |
| Oper. Temp. (°C) | -40 to +85 |
| Package/Pins | UMAX/8 |
| Budgetary Price (See Notes) | 1 |
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Parameters
Parametric specs for Silicon Oscillators
| fOUT (MHz) (max) | 66 |
| Spread Spectrum | Yes |
| fOUT (kHz) (min) | 130 |
| ΔfOUT (%) (max) | ±1.25 (0 to 70°C) |
| User Prog. fOUT | I2C |
| VCC (V) | 2.7 to 3.6 |
| Reset Out | No |
| Oper. Temp. (°C) | -40 to +85 |
| Package/Pins | UMAX/8 |
| Budgetary Price (See Notes) | 1 |
Key Features
- Factory Programmed Square-Wave Generator from 130kHz to 66.6MHz
- No External Timing Components Required
- EMI Reduction
- 2.7V to 3.6V Supply
- User Programmable Down to 130kHz with Divider (Dependent on Master Oscillator Frequency)
- 2% or 4% Selectable Dithered Output
- Glitchless Output-Enable Control
- 2-Wire Serial Interface
- Nonvolatile Settings
- Power-Down Mode
- Programmable Output Power-Down/Disable Mode
Applications/Uses
- Cable Modems
- Cell Phones
- Computer Peripherals
- Copiers
- PCs
- Printers
Description
The DS1087L is a clock generator that produces a spread-spectrum (dithered) square-wave output of frequencies from 130kHz to 66.6MHz. The DS1087L is shipped from the factory programmed at a specific frequency and spread-spectrum percentage. The user still has access to an internal frequency divider, selectable 2% or 4% dithered output, and programmable output power-down/disable mode through a 2-wire programming interface. All the device settings are stored in nonvolatile (NV) EEPROM allowing it to operate in stand-alone applications. The DS1087L has power-down and output-enable control pins for power-sensitive applications.
Technical Docs
Support & Training
Search our knowledge base for answers to your technical questions.
Filtered SearchOur dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .
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