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參數資料
| 型號： | ICS840245AGI |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 時鐘產生/分配 |
| 英文描述： | 75 MHz, OTHER CLOCK GENERATOR, PDSO16 |
| 封裝： | 4.40 X 5 MM, 0.92 MM HEIGHT, MO-153, TSSOP-16 |
| 文件頁數： | 1/13頁 |
| 文件大?。?/td> | 1406K |
| 代理商： | ICS840245AGI |
FEMTOCLOCKS 1:5, CRYSTAL-TO-
LVCMOS/LVTTL FREQUENCY SYNTHESIZER
ICS840245I
IDT / ICS LVCMOS/LVTTL FREQUENCY SYNTHESIZER
1
ICS84024AGI REV. A OCTOBER 25, 2006
GENERAL DESCRIPTION
The ICS840245I is a low skew, 1-to-5 LVCMOS/
LVTTL SATA/SAS Clock Generator and is a mem-
ber of the HiPerClocksTM family of high performance
clock solutions from IDT. The ICS840245I can syn-
thesize 75MHz reference clock frequencies with a
25MHz crystal. Each of the 5 outputs on the ICS840245I can
drive two series terminated 50
transmission lines, effectively
making the ICS840245I a 1-to-10 clock generator. An output
enable (OE) pin, which controls only the Q4 output, allows the
application to use Q4 as an optional output (for example, test
output pin). The ICS840245I uses IDT’s 3rd generation low phase
noise VCO technology and can achieve 1ps or lower typical
random rms phase jitter. The ICS840245I is packaged in a
16-pin TSSOP package.
HiPerClockS
ICS
BLOCK DIAGRAM
PIN ASSIGNMENT
XTAL_OUT
XTAL_IN
VDDA
OE
VDD
GND
PLL_SEL
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
VDDO
Q0
Q1
GND
Q2
Q3
VDDO
Q4
ICS840245I
16-Lead TSSOP
4.4mm x 5.0mm x 0.92mm
package body
G Package
Top View
FEATURES
Five LVCMOS outputs, 15
typical output impedance
Crystal oscillator interface
Supports the following output frequency: 75MHz
Output skew: 25ps (typical)
RMS phase jitter @ 75MHz (900kHz - 7.5MHz):
0.454ps (typical)
Output supply modes:
Core/Output
3.3V/3.3V
3.3V/2.5V
2.5V/2.5V
-40°C to 85°C ambient operating temperature
Available in both standard (RoHS 5) and lead-free (RoHS 6)
packages
0
1
N = 8
VCO
600MHz
Phase
Detector
OSC
M = 24
(fixed)
PLL_SEL
OE
XTAL_IN
XTAL_OUT
25MHz
Pullup
Q0
Q1
Q2
Q3
Q4
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ICS840245AGILF | 功能描述:IC FREQ SYNTHESIZER 16-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™ 標準包裝: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:- 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 供應商設備封裝:56-VFQFP-EP（8x8） 包裝:帶卷 (TR) 其它名稱:844S012AKI-01LFT |
| ICS840245AGILFT | 功能描述:IC FREQ SYNTHESIZER 16-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™ 標準包裝: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:- 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 供應商設備封裝:56-VFQFP-EP（8x8） 包裝:帶卷 (TR) 其它名稱:844S012AKI-01LFT |
| ICS84025 | 制造商:ICS 制造商全稱:ICS 功能描述:CRYSTAL-TO-LVCMOS / LVTTL FREQUENCY SYNTHESIZER WITH FANOUT BUFFER |
| ICS84025EM | 制造商:ICS 制造商全稱:ICS 功能描述:CRYSTAL-TO-LVCMOS / LVTTL FREQUENCY SYNTHESIZER WITH FANOUT BUFFER |
| ICS84025EMT | 制造商:ICS 制造商全稱:ICS 功能描述:CRYSTAL-TO-LVCMOS / LVTTL FREQUENCY SYNTHESIZER WITH FANOUT BUFFER |
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