参数资料
型号: SM843001-212KA
厂商: Micrel Inc
文件页数: 1/7页
文件大小: 0K
描述: IC CLK SYNTHESIZER FIBRE 8-TSSOP
产品培训模块: High Bandwidth Product Overview
标准包装: 150
系列: ClockWorks™, RotaryWave™
类型: 时钟/频率合成器
PLL:
主要目的: 光纤通道
输入: 晶体
输出: LVPECL
电路数: 1
比率 - 输入:输出: 1:1
差分 - 输入:输出: 无/是
频率 - 最大: 212.5MHz
电源电压: 2.375 V ~ 3.465 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 8-TSSOP
包装: 管件
其它名称: 576-3772-5
SM843001-212
ClockWorks
TM Fibre Channel, 212.5MHz,
Ultra-Low Jitter LVPECL Clock Frequency
Synthesizer
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 (
408) 944-0800 fax + 1 (408) 474-1000 http://www.micrel.com
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
architecture that provides a stable clock with
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
Channel
applications.
The
crystal
reference
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.
Features
Generates a low jitter LVPECL output
2.5V or 3.3V operating voltage
Typical phase jitter ~170fs
(637kHz to 10MHz) @212.5MHz
Crystal frequency: 26.5625MHz
212.5MHz output frequency
RMS Phase Noise @ 212.5MHz:
– 1kHz:
119dBc/Hz
– 10kHz:
127dBc/Hz
– 100kHz:
135dBc/Hz
– 1MHz:
138dBc/Hz
– 10MHz:
160dBc/Hz
– 20MHz:
165dBc/Hz
Industrial temperature range
Green, RoHS-, and PFOS-compliant
Available in 8-pin TSSOP
Applications
Fibre Channel
Storage Networking (SAN)
___________________________________________________________________________________________________________
Block Diagram
October 2010
M9999-100410-A
hbwhelp@micrel.com or (408) 955-1690
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