MX573BBA156M250
Ultra-low Jitter 156.25MHz LVPECL XO
ClockWorks™ FUSION
General Description
The MX573BBA156M250 is an ultra-low phase jitter
XO with LVPECL output optimized for high line rate
applications.
Applications
• 10/40/400 Gigabit Ethernet
• Fibre Channel 10G/12G SERDES
Features
• 156.25MHz LVPECL
• Typical phase noise:
-80fs (Integration range: 1.875MHz-20MHz)
• ±50ppm total frequency stability
• -40°C to +85°C temperature range
• Industry standard 6-Pin 7mm x 5mm LGA
package
Absolute Maximum Ratings
Supply Voltage (VIN)..................................................+3.6V
Lead Temperature (soldering, 10s)..............................260°C
Storage Temperature (T ).............................................125°C
S
ESD Rating (HBM).........................................................2kV
Operating Ratings
Supply Voltage (VIN).......................+2.375V to +3.63V
Ambient Temperature (TA)....................-40°C to +85°C
Electrical Characteristics
VDD = 2.375 - 3.63V, TA = -40°C to +85°C, outputs terminated with 50 Ohms to VDD - 2.¹
Symbol Parameter Condition Min. Typ. Max. Units
IDD Supply Current 120 mA
F0 Center Frequency 156.25 MHz
Frequency Stability Note 2 ±50 ppm
Øj Phase Noise Integration Range (12kHz to 20MHz)
Integration Range (1.875MHz to 20MHz) 175
80 fsRMS
Tstart Start-Up Time 20 ms
TR/TF Rise/Fall time 300 ps
Duty Cycle 45 55 %
VOH Output High Voltage LVPECL output levels VDD - 1.35 VDD - 1.01 VDD - 0.8 V
VOL Output Low Voltage LVPECL output levels VDD - 2.0 VDD - 1.78 VDD - 1.6 V
Vswing Peak to Peak Output
Voltage Swing 0.65 0.77 0.95 V
Notes:
1. Guaranteed after thermal equilibrium.
2. Inclusive of initial accuracy, temperature drift, aging, shock, vibration from -40°C to +85°C.
ClockWorks is a registered trademark of Micrel, Inc
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
April 07, 2014 Revision 1.0
tcghelp@micrel.com or (408) 955-1690MX573BB1-1843
Micrel, Inc. MX573BBA156M250
Ordering Information
Ordering Part Number Marking Line 1 Marking Line 3 Shipping Package
MX573BBA156M250 MX573BB A156M250 Tube 6-Pin 7mm x 5mm LGA
MX573BBA156M250 TR MX573BB A156M250 Tape and Reel 6-Pin 7mm x 5mm LGA
Devices are Green and RoHS compliant. Sample material may have only a partial top mark.
Pin Configuration
OE
DNC
GND
VDD
/Q
Q
Pin Description
Pin Number Pin Name Pin Type Pin Level Pin Function
1 OE I, SE LVCMOS Output Enable, disables output to tri-state,
0 = Disabled, 1 = Enabled, 50k Ohms Pull-Up
2 DNC Make no connection, leave floating.
3 GND PWR Power Supply Ground
4, 5 Q, /Q O, Diff LVPECL Clock Output Frequency = 156.25MHz
6 VDD PWR Power Supply
April 07, 2014 2 Revision 1.0
tcghelp@micrel.com or (408) 955-1690MX573BB1-1843
Micrel, Inc. MX573BBA156M250
Package Information and Recommended Land Pattern for 6-Pin LGA³
6-Pin LGA (7x5mm)
Note:
3. Package information is correct as of the publication date. For updates and most current information, go to www.micrel.com.
MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA
TEL +1 (408) 944-0800 FAX +1 (408) 474-1000 WEB http://www.micrel.com
Micrel makes no representations or warranties with respect to the accuracy or completeness of the information furnished in this data sheet. This
information is not intended as a warranty and Micrel does not assume responsibility for its use. Micrel reserves the right to change circuitry,
specifications and descriptions at any time without notice. No license, whether express, implied, arising by estoppel or otherwise, to any
intellectual property rights is granted by this document. Except as provided in Micrel's terms and conditions of sale for such products, Micrel
assumes no liability whatsoever, and Micrel disclaims any express or implied warranty relating to the sale and/or use of Micrel products
including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright or other
intellectual property right.
© 2014 Micrel, Incorporated.
April 07, 2014 3 Revision 1.0
tcghelp@micrel.com or (408) 955-1690MX573BB1-1843
