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參數(shù)資料
| 型號(hào)： | SL16020DCT |
| 廠商： | Silicon Laboratories Inc |
| 文件頁(yè)數(shù)： | 1/10頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC CLOCK AMD GRAPHICS 10TDFN |
| 標(biāo)準(zhǔn)包裝： | 3,000 |
| 系列： | EProClock® |
| 類型： | * |
| PLL： | 帶旁路 |
| 輸入： | 時(shí)鐘，晶體 |
| 輸出： | 時(shí)鐘 |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 1:2 |
| 差分 - 輸入:輸出： | 無(wú)/無(wú) |
| 頻率 - 最大： | 100MHz |
| 除法器/乘法器： | 無(wú)/無(wú) |
| 電源電壓： | 2.97 V ~ 3.63 V |
| 工作溫度： | -10°C ~ 85°C |
| 安裝類型： | * |
| 封裝/外殼： | * |
| 供應(yīng)商設(shè)備封裝： | * |
| 包裝： | * |
Rev 2.2, August 1, 2010
Page 1 of 10
400 West Cesar Chavez, Austin, TX 78701
1+(512) 416-8500
1+(512) 416-9669
www.silabs.com
SL16020DC
Key Features
Low power dissipation
- 14.5mA-typ CL=15pF
- 20.0mA-max CL=15pF
3.3V +/-10% power supply range
27.000MHz crystal or clock input
27.000MHz REFCLK
100MHz SSCLK with SSEL0/1 spread options
Low CCJ Jitter
Low LT Jitter
Internal Voltage Regulators
45% to 55% Output Duty Cycle
On-chip Crystal Oscillator
-10 to +85 Temperature Range
10-pin 3x3x0.75 mm TDFN package
Application
Video Cards
NB and DT PCs
HDTV and DVD-R/W
Routers, Switches and Servers
Data Communications
Embeded Digital Applications
Description
The SL16020DC is a low power dissipation spread
spectrum clock generator using SLI proprietary low jitter
PLL. The SL16020DC provides two output clocks.
REFCLK (Pin-9) which is a buffered output of the
27.000MHz input crystal and SSCLK (Pin-5) which is
synthesized as 100.000MHz nominal by an internal PLL
using the 27.00MHz external input crystal or clock.
In addition, SSEL0 (Pin-7) and SSEL1 (Pin-3) spread
percent selection control inputs enable users to select
from 0.0% (no spread) to –1.5% down spread at
100.000MHz SSCLK output to reduce and optimize
system EMI levels.
The SL16020DC operates in an extended temperature
range of -10 to +85°C.
Contact SLI for other programmable frequencies, Spread
Spectrum Clock (SSC) options, as well as 2.5V+/-10 and
1.8V+/-5% power supply options.
Benefits
EMI Reduction
Improved Jitter
Low Power Dissipation
Eleminates external Xtals or XOs
Block Diagram
1
Low Jitter PLL
With
Modulation Control
5
Input Decoder
4
6
10
7
3
300K
SSCLK
100.000MHz
With Spread Options
XIN/CLKIN
XOUT
VDD1
VSS1
SSEL0
SSEL1
9
REFCLK
27.000MHz
8
2
VSS2
VDD2
Figure 1. Block Diagram
Low Jitter and Power Clock Generator with SSCG
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