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參數(shù)資料
| 型號： | ICS8421004AGI-01T |
| 元件分類： | 時鐘產生/分配 |
| 英文描述： | 170 MHz, OTHER CLOCK GENERATOR, PDSO24 |
| 封裝： | 4.40 X 7.80 MM, 0.92 MM HEIGHT, MO-153, TSSOP-24 |
| 文件頁數(shù)： | 1/13頁 |
| 文件大?。?/td> | 196K |
| 代理商： | ICS8421004AGI-01T |
8421004AGI-01
www.icst.com/products/hiperclocks.html
REV. A MARCH 10, 2006
1
Integrated
Circuit
Systems, Inc.
ICS8421004I-01
FEMTOCLOCKSCRYSTAL-TO-
HSTL FREQUENCY SYNTHESIZER
GENERAL DESCRIPTION
The ICS8421004I-01 is a 4 output HSTL
Synthesizer optimized to generate Ethernet
reference clock frequencies and is a member of
the HiPerClocksTM family of high performance
clock solutions from ICS. Using a 25MHz, 18pF
parallel resonant crystal, the following frequencies can be
generated based on the 2 frequency select pins (F_SEL[1:0]):
156.25MHz, 125MHz and 62.5MHz. The ICS8421004I-01
uses ICS’ 3rd generation low phase noise VCO technology
and can achieve 1ps or lower typical rms phase jitter, easily
meeting Ethernet jitter requirements. The ICS8421004I-01 is
packaged in a small 24-pin TSSOP package.
FEATURES
Four HSTL outputs (V
OH_max = 1.5V)
Selectable crystal oscillator interface or
LVCMOS/LVTTL single-ended 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): 0.44ps (typical)
Power supply modes:
Core/Output
3.3V/1.8V
2.5V/1.8V
-40°C to 85°C ambient operating temperature
Available in both standard and lead-free RoHS compliant
packages
HiPerClockS
ICS
PIN ASSIGNMENT
1
0
1
0
Phase
Detector
VCO
M = 25 (fixed)
F_SEL[1:0]
0 0
÷4 (default)
0 1
÷5
1 0
÷10
1 1
Not Used
2
OSC
ICS8421004I-01
24-Lead TSSOP
4.40mm x 7.8mm x 0.92mm
package body
G Package
Top View
nQ1
Q1
VDDO
Q0
nQ0
MR
nPLL_SEL
nc
VDDA
F_SEL0
VDD
F_SEL1
1
2
3
4
5
6
7
8
9
10
11
12
nQ2
Q2
VDDO
Q3
nQ3
GND
nc
nXTAL_SEL
REF_CLK
GND
XTAL_IN
XTAL_OUT
24
23
22
21
20
19
18
17
16
15
14
13
BLOCK DIAGRAM
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FREQUENCY SELECT FUNCTION TABLE
F_SEL[1:0]
nPLL_SEL
REF_CLK
XTAL_IN
XTAL_OUT
nXTAL_SEL
MR
Q0
nQ0
Q1
nQ1
Q2
nQ2
Q3
nQ3
Pulldown
25MHz
Pulldown
相關PDF資料 |
PDF描述 |
|---|---|
| ICS8421004AGI-01 | 170 MHz, OTHER CLOCK GENERATOR, PDSO24 |
| ICS8421004AGI-01LF | 170 MHz, OTHER CLOCK GENERATOR, PDSO24 |
| ICS8421004AGILF | 226.66 MHz, OTHER CLOCK GENERATOR, PDSO24 |
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| ICS8422002AGIT | 226.66 MHz, OTHER CLOCK GENERATOR, PDSO20 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ICS8421004AGIT | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-HSTL FREQUENCY SYNTHESIZER |
| ICS8421004I | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-HSTL FREQUENCY SYNTHESIZER |
| ICS8421004I-01 | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-HSTL FREQUENCY SYNTHESIZER |
| ICS8422002AGI | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS? CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER |
| ICS8422002AGI-01 | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER |
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