The MX55/MX57 product line is an ultra-low jitter family
of industry standard crystal oscillators (XO) designed to
maximize performance in networking, storage, server,
and telecommunications equipment.
The MX55 employs a space-saving 3.2 mm x 5 mm
package, while the MX57 is in a 5 mm x 7 mm package.
These devices meet ±50 ppm total stability across
–40°C to +85°C operating temperature range, using
proven high reliability assembly methods that improve
long term reliability and minimize aging drift compared
to traditional XO assembly processes.
With programmable output format and OE options,
these XOs can be configured to be footprint compatible
with any standard 6-pin XO available today. Standard
options and frequencies are also available.
Please visit
http://clockworks.microchip.com/timing
to
select a combination of options to customize your
product, print a specific data sheet, and order samples.
Applications
•
•
•
•
•
10/40/100G Ethernet
Optical Communications
PCIe Gen 1/2/3/4
Fibre Channel/SAS
CPRI/OBSAI, XAUI and Backplane SERDES
Block Diagram
VDD Pin 6
GND Pin 3
VDD Noise Filter
OE Pin 1 or Pin 2
Fixed
Freq. XO
Phase Locked
Loop
Q Pin 4
Q Pin 5
2018 Microchip Technology Inc.
DS20005972A-page 1
MX55/57
Package Types
MX55 Pinout Enable
Pin 1 Option
MX57 Pinout Enable
Pin 2 Option
OE
1
6 VDD
5 Q
DNC 1
OE
2
6 VDD
5 Q
DNC 2
GND 3
-
-
4 Q
GND 3
4 Q
DS20005972A-page 2
2018 Microchip Technology Inc.
MX55/57
1.0
ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings †
Input Voltage, (V
IN
) ............................................................................................................................–0.3V to V
DD
+0.3V
Supply Voltage ......................................................................................................................................... –0.3V to + 4.0V
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