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DS4266
DDR Clock Oscillator

Provides 266MHz with Extremely Tight Duty-Cycle Specifications at 48%/52% for DDR Memory Applications


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Status
Active: In Production.

Description
FULL DATA SHEET (PDF, 136kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail
The DS4266 surface-mount ceramic crystal oscillator is part of Maxim's DS4-XO crystal oscillator product family. The DS4266 is a 266MHz crystal oscillator designed to support high-performance DDR memory applications that require a stable, low-jitter, and tight duty-cycle clock source. The device provides an overall accuracy and stability better than ±50ppm, including aging. Jitter performance is better than 0.7psRMS typically over a 12kHz to 20MHz bandwidth, and duty-cycle performance is better than 48%/52%.

The DS4266 has an output frequency of 266MHz, and it supports LVDS and LVPECL output types. The DS4266 is constructed using a fundamental crystal in conjunction with high-performance silicon germanium PLL technology, enabling very low phase noise and phase jitter performance. The device operates from a 3.3V ±5% power supply and consumes a maximum current of 100mA.

The DS4266 is packaged in a miniature 5mm x 3.2mm x 1.49mm, 10-lead LCCC ceramic package, making it suitable for applications where board space is critical.

Key Features   Applications/Uses
  • < 0.7psRMS (typ) from 12kHz to 20MHz Jitter
  • LVDS or LVPECL Output Types
  • 3.3V Operating Voltage
  • 5.0mm x 3.2mm x 1.49mm, 10-Pin LCCC Ceramic Package
  • -40°C to +85°C Operating Temperature Range
  • Lead-Free/RoHS Compliant

 
  • DDR Memory Clock Source

Key Specifications:  Oscillator Modules
Part Number Freq. Osc. Type Freq. Output Type Frequency Stability
(±ppm/yr)
Frequency Stability
(±ppm/yr)
Frequency Stability
(±ppm)
VSUPPLY
(V)
Price
-40 to +85°C vs. VCC vs. Aging See Notes
DS4266  266MHz XO
LVDS
LVPECL
35 ±3 (max) 7 (0-15 Years) 3.3 ±5% $10.18 @1k
See All Oscillator Modules (28)

Diagram
DS4266: Typical Operating Circuits
Typical Operating Circuits

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    2008-10-27
    This page last modified: 2009-07-31


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