参数资料
型号: ICS843021AGT
元件分类: 时钟产生/分配
英文描述: 140 MHz, OTHER CLOCK GENERATOR, PDSO8
封装: 4.40 X 3 MM, 0.925 MM HEIGHT, MO-153, TSSOP-8
文件页数: 1/13页
文件大小: 186K
代理商: ICS843021AGT
843021AG
www.icst.com/products/hiperclocks.html
REV. C MARCH 31, 2005
1
Integrated
Circuit
Systems, Inc.
ICS843021
FEMTOCLOCKSCRYSTAL-TO-
3.3V LVPECL CLOCK GENERATOR
GENERAL DESCRIPTION
The ICS843021 is a Gigabit Ethernet Clock
Generator and a member of the HiPerClocksTM
family of high performance devices from ICS. The
ICS843021 uses a 25MHz crystal to synthesize
125MHz.The ICS843021 has excellent phase jitter
performance, over the 1.875MHz – 20MHz integration range.
The ICS843021 is packaged in a small 8-pin TSSOP, making it
ideal for use in systems with limited board space.
FEATURES
1 differential 3.3V LVPECL output
Crystal oscillator interface designed for 22.4MHz - 28MHz,
18pF parallel resonant crystal
Output frequency range: 112MHz - 140MHz
VCO range: 560MHz to 700MHz
Output duty cycle range: 49% - 51%
RMS phase jitter @ 125MHz, using a 25MHz crystal
(1.875MHz - 20MHz): 0.37ps (typical)
RMS phase noise at 125MHz (typical)
Offset
Noise Power
100Hz ............... -94.2 dBc/Hz
1KHz .............. -122.8 dBc/Hz
10KHz .............. -132.2 dBc/Hz
100KHz .............. -131.3 dBc/Hz
3.3V operating supply
0°C to 70°C ambient operating temperature
Industrial temperature information available upon request
Lead-Free package fully RoHS compliant
HiPerClockS
ICS
ICS843021
8-Lead TSSOP
4.40mm x 3.0mm x 0.925mm package body
G Package
Top View
VCCA
VEE
XTAL_OUT
XTAL_IN
1
2
3
4
VCC
Q0
nQ0
nc
8
7
6
5
BLOCK DIAGRAM
PIN ASSIGNMENT
OSC
Phase
Detector
VCO
÷5
÷25
(fixed)
XTAL_IN
XTAL_OUT
nQ0
Q0
25MHz
FREQUENCY TABLE - TYPICAL APPLICATIONS
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1
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相关代理商/技术参数
参数描述
ICS843021I-01 制造商:ICS 制造商全称:ICS 功能描述:FEMTOCLOCKS-TM CRYSTAL-TO-3.3V, 2.5V 125MHZ LVPECL CLOCK GENERATOR
ICS843022 制造商:ICS 制造商全称:ICS 功能描述:FEMTOCLOCKS-TM CRYSTAL-TO- 3.3V LVPECL CLOCK GENERATOR
ICS843022AG 制造商:INT_DEV_TECH 功能描述:
ICS843022AGI-48LF 功能描述:IC CLK SYNTHESIZER LVPECL 8TSSOP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器,PLL,频率合成器 系列:HiPerClockS™, FemtoClock™ 标准包装:1,000 系列:- 类型:时钟/频率合成器,扇出分配 PLL:- 输入:- 输出:- 电路数:- 比率 - 输入:输出:- 差分 - 输入:输出:- 频率 - 最大:- 除法器/乘法器:- 电源电压:- 工作温度:- 安装类型:表面贴装 封装/外壳:56-VFQFN 裸露焊盘 供应商设备封装:56-VFQFP-EP(8x8) 包装:带卷 (TR) 其它名称:844S012AKI-01LFT
ICS843022AGI-48LFT 功能描述:IC CLK SYNTHESIZER LVPECL 8TSSOP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器,PLL,频率合成器 系列:HiPerClockS™, FemtoClock™ 标准包装:1,000 系列:- 类型:时钟/频率合成器,扇出分配 PLL:- 输入:- 输出:- 电路数:- 比率 - 输入:输出:- 差分 - 输入:输出:- 频率 - 最大:- 除法器/乘法器:- 电源电压:- 工作温度:- 安装类型:表面贴装 封装/外壳:56-VFQFN 裸露焊盘 供应商设备封装:56-VFQFP-EP(8x8) 包装:带卷 (TR) 其它名称:844S012AKI-01LFT