MX852BB0030 Datasheet, PDF (1/11 Pages) Micrel Semiconductor – Ultra-Low Jitter XTAL Oscillator with Fanout

MX852BB0030
Ultra-Low Jitter XTAL Oscillator with Fanout
ClockWorks® FUSION
General Description
MX852BB0030 CMIC™ (clock management IC) is a
member of the ClockWorks® FUSION family of
devices that integrates the crystal, synthesizer and fanout
buffers in a single 5mm x 7mm LGA Package.
Integrating the entire clock chain delivers 200fs typical
phase noise performance including fanout and crosstalk.
The device operates from a 2.5V or 3.3V power supply.
Applications
• 10/40/400 Gigabit Ethernet
• Fibre Channel 10G/12G SERDES
Features
• Generates 5 output clocks
• Frequency and output logic:
-156.25MHz HCSL x 5
• Integrated quartz crystal for frequency reference
• Typical phase noise:
-100fs (Integration range: 1.875MHz-20MHz)
-200fs (Integration range: 12kHz-20MHz)
• Complete ultra-low jitter clocking solution
• OE on banks 1 and 2
• 2.5V or 3.3V operating voltage range
• ±50ppm total stability
• -40°C to +85°C temperature range
• 38-Pin 5mm x 7mm LGA package
Block Diagram
XO
PLL
÷ N1
÷ N2
OE1
Q1
156.25MHz HCSL
/Q1
Q2
156.25MHz HCSL
/Q2
Q3
156.25MHz HCSL
/Q3
Q4
156.25MHz HCSL
/Q4
Q5
156.25MHz HCSL
/Q5
OE2
ClockWorks is a registered trademark of Micrel, Inc
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel [phone] • fax + 1 [phone] • http://www.micrel.com
07/13/15
MX852B-1479-Rev 0.7
M9999-071315-A
[e-mail] or [phone]