参数资料
型号: SM840001KA
厂商: Micrel Inc
文件页数: 1/8页
文件大小: 0K
描述: IC CLOCK SYNTHESIZER 8TSSOP
产品培训模块: High Bandwidth Product Overview
标准包装: 150
系列: RotaryWave™
类型: 时钟/频率合成器,多路复用器
PLL:
输入: 晶体
输出: LVCMOS,LVTTL
电路数: 1
比率 - 输入:输出: 1:1
差分 - 输入:输出: 无/无
频率 - 最大: 226.66MHz
除法器/乘法器: 是/无
电源电压: 2.375 V ~ 3.465 V
工作温度: -40°C ~ 75°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: 576-3695-5
SM840001KA-ND
SM840001
106.25MHz Ultra-Low Jitter Clock
Synthesizer
RotaryWave is a trademark of Multigig, 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
March 2010
M9999-031810-B
hbwhelp@micrel.com or (408) 955-1690
General Description
The SM840001 synthesizer series were designed for Fibre
Channel applications. The device design is optimized for
106.25MHz
or
212.5MHz
using
a
26.5625MHz
fundamental parallel resonant crystal, with stability and
accuracy over the full operating range. The SM840001
includes a unique power reduction methodology, along
with a patented RotaryWave
TM architecture, that provides
a stable clock with very low noise for optimized
performance. This yields an overall improved Bit Error
Rate (BER) and improved waveform integrity.
Datasheets and support documentation can be found on
Micrel’s web site at: www.micrel.com.
Features
Generates a single LVCMOS/LVTTL output
Integrated loop filter components
RMS Phase Jitter:
- 510 fs (typ) at 106.25MHz
- 320 fs (typ) at 212.50MHz
Operates with either a 3.3V or 2.5V supply
Power consumption is <77mA @ 3.3 V
Fundamental crystal oscillator interface
Input frequency of 26.5625 MHz parallel resonant
Selectable output frequency: 106.25MHz or 212.5MHz
Temperature range: –40°C to +75°C
Available in 8-pin TSSOP package
Applications
Fibre Channel
Storage
___________________________________________________________________________________________________________
Block Diagram
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