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DS4266
DDR Clock Oscillator
________________________________________________________________
Maxim Integrated Products
1
Rev 0; 10/08
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
General Description
The DS4266 surface-mount ceramic crystal oscillator is
part of Maxim’s DS4-XO crystal oscillator product fami-
ly. 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 perfor-
mance 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 conjunc-
tion with high-performance silicon germanium PLL tech-
nology, 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.
Applications
DDR Memory Clock Source
Features
< 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
DS4266
VCC
OUTP
OUTN
LVDS OPTION
OE
GND
0.01
μF
0.1
μF
100
Ω
DS4266
VCC
OUTP
OUTN
LVPECL OPTION
OE
GND
0.01
μF
0.1
μF
50
Ω
50
Ω
PECL_BIAS
VCC - 2.0V
Typical Operating Circuits
Pin Configuration and Selector Guide appear at end of
data sheet.
+
Denotes a lead(Pb)-free/RoHS-compliant package. The lead
finish is JESD97 category e4 (Au over Ni) and is compatible with
both lead-based and lead-free soldering processes.
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
DS4266D+
-40
°C to +85°C
10 LCCC
DS4266P+
-40
°C to +85°C
10 LCCC
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