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DSC557-051124KI0T Datasheet(PDF) 1 Page - Micrel Semiconductor

Part # DSC557-051124KI0T
Description  Crystal-less??Four Output PCIe Clock Generator
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

DSC557-051124KI0T Datasheet(HTML) 1 Page - Micrel Semiconductor

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______________________________________________________________________________________________________________________________________________
DSC557-05
Page 1
Crystal-less™ Four Output PCIe Clock Generator
DSC557-05
General Description
The DSC557-05 is a Crystal-less™, four
output PCI express clock generator meeting
Gen1, Gen2, and Gen3 specifications. The
clock generator uses proven silicon MEMS
technology to provide excellent jitter and
stability over a wide range of supply
voltages and temperatures. By eliminating
the external quartz crystal, MEMS clock
generators significantly enhance reliability
and accelerate product development, while
meeting stringent clock performance criteria
for a variety of communications, storage,
and networking applications.
DSC557-05 has an Output Enable / Disable
feature allowing it to disable all outputs
when OE1 and OE2 are low. Each output
enable
pin
controls
two
banks
of
synchronous PCIe clocks.
See the OE
function diagram for more detail.
The
device is available in a 20 pin QFN.
Additional output formats are in any
combination of LVPECL, LVDS, and HCSL.
Block Diagram
* Clk0+/-, Clk1+/-, Clk2 +/- and Clk3 +/- are
100 MHz as per PCIe standards. For other
frequencies, please contact the factory.
Features
 Meets PCIe Gen1, Gen2 & Gen3 specs
 Available Output Formats:
o
HCSL, LVPECL, or LVDS
o
Mixed Outputs: LVPECL/HCSL/LVDS
 Wide Temperature Range
o
Ext. Industrial: -40° to 105° C
o
Industrial: -40° to 85° C
o
Ext. commercial: -20° to 70° C
 Supply Range of 2.25 to 3.6 V
 Low Power Consumption
o
30% lower than competing devices
 Excellent Shock & Vibration Immunity
o
Qualified to MIL-STD-883
 Available Footprints:
o
20 QFN
 Lead Free & RoHS Compliant
 Short Lead Time: 2 Weeks
Applications
 Communications/Networking
o
Ethernet
o
1G, 10GBASE-T/KR/LR/SR, and FcoE
o
Routers and Switches
o
Gateways, VoIP, Wireless AP’s
o
Passive Optical Networks
 Storage
o
SAN, NAS, SSD, JBOD
 Embedded Applications
o
Industrial, Medical, and Avionics
o
Security Systems and Office
Automation
o
Digital Signage, POS and others
 Consumer Electronics
o
Smart TV, Bluray, STB


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