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参数资料
| 型号： | 843004AGI-01T |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 170 MHz, OTHER CLOCK GENERATOR, PDSO24 |
| 封装： | 4.40 X 7.80 MM, 0.925 MM HEIGHT, MO-153, TSSOP-24 |
| 文件页数： | 1/19页 |
| 文件大小： | 1414K |
| 代理商： | 843004AGI-01T |
DATA SHEET
ICS843004AGI-01 REVISION B MARCH 24, 2011
1
2011Integrated Device Technology, Inc.
FemtoClock Crystal-to-3.3V, 2.5V LVPECL
Frequency Synthesizer
ICS843004I-01
General Description
The ICS843004I-01 is a 4 output LVPECL synthesizer optimized to
generate Ethernet reference clock frequencies. Using a 25MHz
18pF parallel resonant crystal, the following frequencies can be
generated based on the settings of 2 frequency select pins
(F_SEL[1:0]): 156.25MHz, 125MHz, 62.5MHz. The ICS843004I-01
uses IDT’s 3rd generation low phase noise VCO technology and can
achieve 1ps or lower typical rms phase jitter, easily meeting Ethernet
jitter requirements. The ICS843004I-01 is packaged in a small
24-pin TSSOP package.
Features
Four 3.3V differential LVPECL output pairs
Selectable crystal oscillator interface
or LVCMOS/LVTTL single-ended clock input
Supports the following output frequencies: 156.25MHz, 125MHz,
62.5MHz
VCO range: 560MHz – 680MHz
RMS phase jitter @ 156.25MHz, using a 25MHz crystal
(1.875MHz – 20MHz): 0.54ps (typical)
Full 3.3V or 2.5V supply modes
-40°C to 85°C ambient operating temperature
Available in both standard (RoHS 5) and lead-free (RoHS 6)
packages
Frequency Select Function Table
Inputs
Output Frequency (MHz)
(25MHz Reference)
F_SEL1
F_SEL0
M Div. Value
N Div. Value
M/N Div. Value
0
25
4
6.25
156.25
01
25
5
125
1
0
25
10
2.5
62.5
1
25
Not Used
Pin Assignment
ICS843004I-01
24-Lead TSSOP
4.4mm x 7.8mm x 0.925mm
package body
G Package
Top View
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
nQ1
Q1
VCCO
Q0
nQ0
MR
nPLL_SEL
nc
VCCA
F_SEL0
VCC
F_SEL1
nQ2
Q2
Q3
VCCO
VEE
nQ3
VCC
nXTAL_SEL
TEST_CLK
VEE
XTAL_IN
XTAL_OUT
1
0
1
0
Phase
Detector
VCO
625MHz
(w/25MHz
Reference)
OSC
M = 25 (fixed)
F_SEL[1:0]
0 0 ÷4
0 1 ÷5
1 0 ÷10
1 1 not used
2
Q0
nQ0
Q1
nQ1
F_SEL[1:0]
nPLL_SEL
nXTAL_SEL
MR
TEST_CLK
XTAL_IN
XTAL_OUT
Pulldown
Q2
nQ2
Q3
nQ3
Block Diagram
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 843004AGI-02LF | 制造商:Integrated Device Technology Inc 功能描述:Frequency Synthesizer 制造商:Integrated Device Technology Inc 功能描述:24 E-TSSOP (GREEN) - Bulk |
| 843004AGI-02LFT | 制造商:Integrated Device Technology Inc 功能描述:PLL Frequency Synthesizer Single 24-Pin TSSOP T/R 制造商:Integrated Device Technology Inc 功能描述:24 E-TSSOP (GREEN) - Tape and Reel |
| 843004AGI-04 | 制造商:Integrated Device Technology Inc 功能描述:843004AGI-04 - Rail/Tube |
| 843004AGI-04LF | 功能描述:时钟合成器/抖动清除器 RoHS:否 制造商:Skyworks Solutions, Inc. 输出端数量: 输出电平: 最大输出频率: 输入电平: 最大输入频率:6.1 GHz 电源电压-最大:3.3 V 电源电压-最小:2.7 V 封装 / 箱体:TSSOP-28 封装:Reel |
| 843004AGI-04LFT | 功能描述:时钟合成器/抖动清除器 RoHS:否 制造商:Skyworks Solutions, Inc. 输出端数量: 输出电平: 最大输出频率: 输入电平: 最大输入频率:6.1 GHz 电源电压-最大:3.3 V 电源电压-最小:2.7 V 封装 / 箱体:TSSOP-28 封装:Reel |
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