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參數(shù)資料
| 型號： | ICS844003BGI-01LF |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 時鐘產(chǎn)生/分配 |
| 英文描述： | 680 MHz, OTHER CLOCK GENERATOR, PDSO24 |
| 封裝： | 4.40 X 7.80 MM, 0.92MM HEIGHT, ROHS COMPLIANT, TSSOP-24 |
| 文件頁數(shù)： | 1/15頁 |
| 文件大?。?/td> | 763K |
| 代理商： | ICS844003BGI-01LF |
844003BGI-0I
www.icst.com/products/hiperclocks.html
REV. A MARCH 28, 2006
1
Integrated
Circuit
Systems, Inc.
ICS844003BI-01
FEMTOCLOCKS CRYSTAL-TO-LVDS
FREQUENCY SYNTHESIZER
PRELIMINARY
GENERAL DESCRIPTION
The ICS844003BI-01 is a 3 differential output
LVDS Synthesizer designed to generate
Ethernet reference clock frequencies and is a
member of the HiPerClocks family of high
performance clock solutions from ICS. Using a
19.53125MHz or 25MHz, 18pF parallel resonant crystal,
the following frequencies can be generated based on the
settings of 4 frequency select pins (DIV_SELA[1:0],
DIV_SELB[1:0]): 625MHz, 312.5MHz, 156.25MHz, and
125MHz. The 844003BI-01 has 2 output banks, Bank A with
1 differential LVDS output pair and Bank B with 2 differen-
tial LVDS output pairs.
The two banks have their own dedicated frequency select
pins and can be independently set for the frequencies men-
tioned above. The ICS844003BI-01 uses ICS’ 3rd genera-
tion low phase noise VCO technology and can achieve 1ps
or lower typical rms phase jitter, easily meeting Ethernet
jitter requirements. The ICS844003BI-01 is packaged in a
small 24-pin TSSOP package.
FEATURES
Three LVDS outputs on two banks, Bank A with one
LVDS pair and Bank B with 2 LVDS output pairs
Using a 19.53125MHz or 25MHz crystal, the two output
banks can be independently set for 625MHz, 312.5MHz,
156.25MHz or 125MHz
Selectable crystal oscillator interface or LVCMOS/LVTTL
single-ended input
VCO range: 490MHz to 680MHz
RMS phase jitter @ 156.25MHz (1.875MHz - 20MHz):
0.56ps (typical)
3.3V output supply mode
-40°C to 85°C ambient operating temperature
Available in both standard and lead-free RoHS-compliant
packages
HiPerClockS
ICS
0
1
0
1
Phase
Detector
VCO
0 = ÷25 (default)
1 = ÷32
0 0
÷1
0 1
÷2
1 0
÷3
1 1
÷4 (default)
0 0
÷2
0 1
÷4
1 0
÷5
1 1
÷8 (default)
FB_DIV
OSC
BLOCK DIAGRAM
OEA
DIV_SELA[1:0]
VCO_SEL
REF_CLK
XTAL_IN
XTAL_OUT
XTAL_SEL
FB_DIV
DIV_SELB[1:0]
MR
OEB
QA0
nQA0
QB0
nQB0
QB1
nQB1
Pulldown
Pullup
PIN ASSIGNMENT
ICS844003BI-01
24-Lead TSSOP, E-Pad
4.40mm x 7.8mm x 0.92mm
package body
G Package
Top View
DIV_SELB0
VCO_SEL
MR
VDDO_A
QA0
nQA0
OEB
OEA
FB_DIV
VDDA
VDD
DIV_SELA0
1
2
3
4
5
6
7
8
9
10
11
12
DIV_SELB1
VDDO_B
QB0
nQB0
QB1
nQB1
XTAL_SEL
REF_CLK
XTAL_IN
XTAL_OUT
GND
DIV_SELA1
24
23
22
21
20
19
18
17
16
15
14
13
Pulldown
Pullup
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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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| ICS844003BGI-01LFT | 功能描述:IC SYNTHESIZER 3LVDS 24-ETSSOP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發(fā)生器，PLL，頻率合成器 系列:HiPerClockS™, FemtoClock™ 標(biāo)準(zhǔn)包裝:1,000 系列:- 類型:時鐘/頻率合成器，扇出分配 PLL:- 輸入:- 輸出:- 電路數(shù):- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 除法器/乘法器:- 電源電壓:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:56-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:56-VFQFP-EP（8x8） 包裝:帶卷 (TR) 其它名稱:844S012AKI-01LFT |
| ICS844003EGI-01LF | 功能描述:IC SYNTHESIZER 2LVDS 24-TSSOP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發(fā)生器，PLL，頻率合成器 系列:FemtoClock™ 標(biāo)準(zhǔn)包裝:1,000 系列:Precision Edge® 類型:時鐘/頻率合成器 PLL:無 輸入:CML，PECL 輸出:CML 電路數(shù):1 比率 - 輸入:輸出:2:1 差分 - 輸入:輸出:是/是 頻率 - 最大:10.7GHz 除法器/乘法器:無/無 電源電壓:2.375 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-VFQFN 裸露焊盤，16-MLF? 供應(yīng)商設(shè)備封裝:16-MLF?（3x3） 包裝:帶卷 (TR) 其它名稱:SY58052UMGTRSY58052UMGTR-ND |
| ICS844004AG-01LF | 制造商:Integrated Device Technology Inc 功能描述: |
| ICS844004AGI-04LF | 功能描述:IC SYNTHESIZER 4LVDS 24-TSSOP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發(fā)生器，PLL，頻率合成器 系列:HiPerClockS™, FemtoClock™ 標(biāo)準(zhǔn)包裝:27 系列:Precision Edge® 類型:頻率合成器 PLL:是 輸入:PECL，晶體 輸出:PECL 電路數(shù):1 比率 - 輸入:輸出:1:1 差分 - 輸入:輸出:無/是 頻率 - 最大:800MHz 除法器/乘法器:是/無 電源電壓:3.135 V ~ 5.25 V 工作溫度:0°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC 包裝:管件 |
| ICS844004AGI-04LFT | 功能描述:IC SYNTHESIZER 4LVDS 24-TSSOP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發(fā)生器，PLL，頻率合成器 系列:HiPerClockS™, FemtoClock™ 標(biāo)準(zhǔn)包裝:27 系列:Precision Edge® 類型:頻率合成器 PLL:是 輸入:PECL，晶體 輸出:PECL 電路數(shù):1 比率 - 輸入:輸出:1:1 差分 - 輸入:輸出:無/是 頻率 - 最大:800MHz 除法器/乘法器:是/無 電源電壓:3.135 V ~ 5.25 V 工作溫度:0°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC 包裝:管件 |
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