Ultra-Low Jitter 312.5MHz LVPECL XO

MX573BBA312M500
Ultra-low Jitter 312.5MHz LVPECL XO
ClockWorks™ FUSION
General Description
Features
The MX573BBA312M500 is an ultra-low phase jitter
XO with LVPECL output optimized for high line rate
applications.
• 312.5MHz 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
Applications
• 10/40/400 Gigabit Ethernet
• Fibre Channel 10G/12G SERDES
Absolute Maximum Ratings
Operating Ratings
Supply Voltage (VIN)..................................................+3.6V
Lead Temperature (soldering, 10s)..............................260°C
Storage Temperature (TS).............................................125°C
ESD Rating (HBM).........................................................2kV
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
IDD
Supply Current
F0
Center Frequency
Condition
Min.
Typ.
Max.
Units
120
mA
312.5
Frequency Stability
Note 2
Øj
Phase Noise
Integration Range (12kHz to 20MHz)
Integration Range (1.875MHz to 20MHz)
Tstart
Start-Up Time
TR/TF
Rise/Fall time
300
Duty Cycle
45
MHz
±50
175
80
ppm
fsRMS
20
ms
ps
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
MX573BB1-1840
Revision 1.0
[email protected] or (408) 955-1690
Micrel, Inc.
MX573BBA312M500
Ordering Information
Ordering Part Number
Marking Line 1
Marking Line 3
Shipping
Package
MX573BBA312M500
MX573BB
A312M500
Tube
6-Pin 7mm x 5mm LGA
MX573BBA312M500 TR
MX573BB
A312M500
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
VDD
DNC
/Q
GND
Q
Pin Description
Pin Number
Pin Name
Pin Type
Pin Level
1
OE
I, SE
LVCMOS
2
DNC
3
GND
PWR
4, 5
Q, /Q
O, Diff
6
VDD
PWR
April 07, 2014
MX573BB1-1840
Pin Function
Output Enable, disables output to tri-state,
0 = Disabled, 1 = Enabled, 50k Ohms Pull-Up
Make no connection, leave floating.
Power Supply Ground
LVPECL
Clock Output Frequency = 312.5MHz
Power Supply
2
Revision 1.0
[email protected] or (408) 955-1690
Micrel, Inc.
MX573BBA312M500
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
MX573BB1-1840
3
Revision 1.0
[email protected] or (408) 955-1690