DS1086LU-222+T

Overview

The DS1086LU-222+T is a 3.3V programmable clock generator featuring spread-spectrum capabilities. It generates square-wave outputs from 130kHz to 66.6MHz with selectable dithering of 0.5%, 1%, 2%, 4%, or 8% to reduce radiated emissions. The device includes a power-down mode and glitchless output-enable control. All settings are stored in nonvolatile EEPROM, enabling standalone operation without external timing components. It operates on a 2.7V to 3.6V supply within the industrial temperature range of -40°C to +85°C.

Feature Summary

• Programmable frequency range from 130kHz to 66.6MHz with 5kHz master frequency step size
• Selectable spread-spectrum dither levels: 0.5%, 1%, 2%, 4%, or 8%
• Nonvolatile EEPROM memory for storing configuration settings
• Glitchless output-enable and power-down control via OE and PDN pins

Applications

• Printers
• Copiers
• PCs
• Computer Peripherals
• Cell Phones

Procurement Notes

Verify the specific suffix '222' against official documentation, as standard listings typically use '+'. Confirm package type is 8-pin μSOP. Check current availability status as distribution may be limited. Ensure the lead-free/RoHS-compliant designation matches project requirements.

Selection Notes

Select this component when EMI reduction is critical through spread-spectrum modulation. Verify that the required output frequency falls within the 130kHz to 66.6MHz range. Ensure the system voltage is compatible with the 2.7V to 3.6V operating range. Consider the 2-wire interface for programming flexibility if dynamic frequency changes are needed.

Part Context

This part belongs to the DS1086L EconOscillator family, which integrates a voltage-controlled oscillator and prescaler into a single chip. The 'LU' designation indicates the industrial temperature grade (-40°C to +85°C) and the μSOP package. The '+' suffix confirms lead-free and RoHS compliance.

Replacement Considerations

Direct replacements include other variants within the DS1086L family, such as DS1086LU+ or DS1086LU-T, provided the pinout and electrical characteristics match. Verify that any substitute supports the same spread-spectrum features and EEPROM storage capability.