sm843001-212 Micrel Semiconductor, sm843001-212 Datasheet

sm843001-212

Manufacturer Part Number

sm843001-212

Description

Clockworks Fibre Channel, 212.5mhz, Ultra-low Jitter Lvpecl Clock Frequency Synthesizer

Manufacturer

Micrel Semiconductor

Datasheet

1.SM843001-212.pdf (7 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

sm843001-212KA

Manufacturer:

Micrel

Quantity:

125

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General Description

The SM843001-212 is a Fibre Channel, 212.5MHz

LVPECL clock frequency synthesizer and a member of the

ClockWorks™ family of devices from Micrel. It provides a

low-noise timing solution for high-speed, high-accuracy

synthesis of clock signals. It includes a patented

RotaryWave

very low phase noise.

Power supplies of either 2.5V or 3.3V are supported, with

superior jitter and phase noise performance. The device

synthesizes a 212.5MHz, low-noise, LVPECL output for

Fibre

frequency used is 26.5625MHz.

The SM843001-212 is an excellent replacement for IDT

FemtoClocks®, with improved waveform integrity, and

jitter.

Data sheets and support documentation can be found on

Micrel’s web site at: www.micrel.com.

___________________________________________________________________________________________________________

Block Diagram

October 2010

ClockWorks is a trademark of Micrel, Inc.

RotaryWave is a registered trademark of Multigig, Inc.

FemtoClocks is a registered trademark of IDT, Inc.

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (

Channel

architecture that provides a stable clock with

applications.

The

crystal

reference

Features

• Generates a low jitter LVPECL output

• 2.5V or 3.3V operating voltage

• Typical phase jitter ~170fs

• Crystal frequency: 26.5625MHz

• 212.5MHz output frequency

• RMS Phase Noise @ 212.5MHz:

• Industrial temperature range

• Green, RoHS-, and PFOS-compliant

• Available in 8-pin TSSOP

Applications

•

408

Ultra-Low Jitter LVPECL Clock Frequency

ClockWorks

(637kHz to 10MHz) @212.5MHz

– 1kHz:

– 10kHz:

– 100kHz:

– 1MHz:

– 10MHz:

– 20MHz:

) 944-0800 • fax + 1 (408) 474-1000 •

Fibre Channel

Storage Networking (SAN)

SM843001-212

−119dBc/Hz

−127dBc/Hz

−135dBc/Hz

−138dBc/Hz

−160dBc/Hz

−165dBc/Hz

Synthesizer

hbwhelp@micrel.com

Fibre Channel, 212.5MHz,

http://www.micrel.com

or (408) 955-1690

M9999-100410-A

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