参数资料
型号: ICS840022AGLFT
元件分类: 时钟产生/分配
英文描述: 125 MHz, OTHER CLOCK GENERATOR, PDSO8
封装: 4.40 X 3 MM, 0.925 MM HEIGHT, MO-153, TSSOP-8
文件页数: 1/10页
文件大小: 228K
代理商: ICS840022AGLFT
840022AG
www.icst.com/products/hiperclocks.html
REV. A JANUARY 11, 2005
1
Integrated
Circuit
Systems, Inc.
ICS840022
FEMTOCLOCKSCRYSTAL-TO-
LVCMOS/LVTTL CLOCK GENERATOR
PRELIMINARY
GENERAL DESCRIPTION
The ICS840022 is a Gigabit Ethernet Clock
Generator and a member of the HiPerClocksTM
family of high performance devices from ICS.
The ICS840022 uses a 25MHz crystal to
synthesize 125MHz or 62.5MHz. The ICS840022
has excellent phase jitter performance, over the 1.875MHz –
20MHz integration range. The ICS840022 is packaged in a
small 8-pin TSSOP, making it ideal for use in systems with
limited board space.
FEATURES
1 LVCMOS/LVTTL output, 7 output impedence
Crystal oscillator interface designed for 25MHz,
18pF parallel resonant crystal
Output frequencies: 125MHz or 62.5MHz (selectable)
RMS phase jitter @ 125MHz, using a 25MHz crystal
(1.875MHz - 20MHz): 0.55ps (typical)
RMS phase noise at 125MHz:
Offset
Noise Power
100Hz .............. -106.3 dBc/Hz
1KHz .............. -126.3 dBc/Hz
10KHz .............. -131.7 dBc/Hz
100KHz .............. -130.8 dBc/Hz
3.3V operating supply
0°C to 70°C ambient operating temperature
Industrial temperature information available upon request
HiPerClockS
ICS
ICS840022
8-Lead TSSOP
4.40mm x 3.0mm x 0.925mm
package body
G Package
Top View
VDDA
OE
XTAL_OUT
XTAL_IN
1
2
3
4
VDD
Q0
GND
FREQ_SEL
8
7
6
5
BLOCK DIAGRAM
PIN ASSIGNMENT
OSC
Phase
Detector
VCO
560MHz-680MHz
w/25MHz Ref.
M = ÷25 (fixed)
0
1
÷10
÷5
XTAL_IN
XTAL_OUT
OE
FREQ_SEL
Q0
s
t
u
p
n
I
s
e
i
c
n
e
u
q
e
r
F
t
u
p
t
u
O
)
l
a
t
s
y
r
c
z
H
M
5
2
a
h
t
i
w
(
L
E
S
_
Q
E
R
F
0z
H
M
5
2
1
1z
H
M
5
.
2
6
FUNCTION TABLE
The Preliminary Information presented herein represents a product in prototyping or pre-production. The noted characteristics are based on initial
product characterization. Integrated Circuit Systems, Incorporated (ICS) reserves the right to change any circuitry or specifications without notice.
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相关代理商/技术参数
参数描述
ICS840022AGT 制造商:ICS 制造商全称:ICS 功能描述:FEMTOCLOCKS⑩CRYSTAL-TO LVCMOS/LVTTL CLOCK GENERATOR
ICS840022AKI-02LF 功能描述:IC CLOCK GENERATOR 16VFQFPN 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
ICS840022AKI-02LFT 功能描述:IC CLOCK GENERATOR 16VFQFPN 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
ICS840024AGI 制造商:ICS 制造商全称:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO LVCMOS/LVTTL FREQUENCY SYNTHESIZER
ICS840024AGILF 功能描述:IC FREQ SYNTHESIZER 20-TSSOP 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