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Micrel Semiconductor

PL607041 Datasheet Preview

PL607041 Datasheet

HCSL Frequency Synthesizer

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PL607041
ClockWorks® PCIe Quad Outputs
Ultra-Low Jitter, HCSL Frequency
Synthesizer
General Description
The PL607041 is a member of the ClockWorks® family of
devices from Micrel and provides an extremely low-noise
Spread-Spectrum clock for PCI Express requirements.
The device operates from a 3.3V or 2.5V power supply
and synthesizes four HCSL output clocks at 25MHz,
100MHz, 125MHz, and 200MHz. The PL607041 accepts a
25MHz crystal.
Datasheets and support documentation are available on
Micrel’s web site at: www.micrel.com.
Features
25MHz fundamental crystal or reference input
Generates four HCSL clock outputs at 25MHz, 100MHz,
125MHz, and 200MHz
Spread spectrum for EMI reduction
2.5V or 3.3V operating range
Typical phase jitter @ 100MHz (1.5MHz to 10MHz):
320fs
Compliant with PCI Express Gen1, Gen2, and Gen3
Industrial temperature range (40°C to +85°C)
RoHS and PFOS compliant
Available in 24-pin 4mm × 4mm QFN package
Applications
Servers
Storage systems
Switches and routers
Gigabit Ethernet
Set-top boxes/DVRs
Block Diagram
ClockWorks is a registered trademark of Micrel, Inc.
Ripple Blocker is a 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 1, 2014
Revision 1.2
tcghelp@micrel.com or (408) 955-1690




Micrel Semiconductor

PL607041 Datasheet Preview

PL607041 Datasheet

HCSL Frequency Synthesizer

No Preview Available !

Micrel, Inc.
Ordering Information(1)
Part Number
Marking
PL607041UMG
PL607
041
PL607041UMG TR
PL607
041
Note:
1. Devices are RoHS and PFOS compliant.
Pin Configuration
Shipping
Tube
Junction Temperature
Range
40° to +85°C
Tape and Reel
40° to +85°C
PL607041
Package
24-Pin QFN
24-Pin QFN
Pin Description
Pin Number
17, 18
19, 20
23, 24
1, 2
9
16
7, 15
5, 11, 13
Pin Name
/Q0, Q0
/Q1, Q1
/Q2, Q2
/Q3, Q3
VDDO2
VDDO1
VDD
VSS
6, 8 S0, S1
14, 4
SS0, SS1
22
21
12
3, 10
XIN/FIN
XOUT
OE
TEST
Pin Type
O, (DIF)
O, (DIF)
PWR
PWR
PWR
PWR
I
I
I, (SE)
O, (SE)
I, (SE)
I
24-Pin QFN
(Top View)
Pin Level
HCSL
HCSL
LVCMOS
LVCMOS
Crystal
Crystal
LVCMOS
Pin Function
Differential Clock Outputs pins.
Differential Clock Outputs pins.
Power Supply.
Power Supply.
Core Power Supply.
Power Supply Ground.
Frequency Select for 25MHz, 100MHz, 125MHz, and
200MHz. Each pin has a 45kpull-up.
Spread Spectrum Select pins. Each pin has a 60kpull-
up.
Crystal or Reference Input, no load caps needed (see
Figure 5).
Crystal Output, no load caps needed (see Figure 5).
Output Enable/Disable.
Factory test pins. Keep these pins floating.
April 1, 2014
2 Revision 1.2
tcghelp@micrel.com or (408) 955-1690


Part Number PL607041
Description HCSL Frequency Synthesizer
Maker Micrel Semiconductor
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