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參數資料
| 型號： | ICS9248YF-80 |
| 元件分類： | XO, clock |
| 英文描述： | 133.34 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO28 |
| 封裝： | 0.209 INCH, SSOP-28 |
| 文件頁數： | 1/7頁 |
| 文件大小： | 157K |
| 代理商： | ICS9248YF-80 |
Integrated
Circuit
Systems, Inc.
General Description
Features
ICS9248-80
Block Diagram
Pentium II is a trademark of Intel Corporation
I
2C is a trademark of Philips Corporation
General Purpose 133MHz System Clock
9248-80 Rev A 3/21/00
Pin Configuration
Extended temperature range (-20°C to +70°C)
Output features:
- 8 CLK outputs @ 3.3V, up to 133.34MHz.
-1-REFoutput@3.3V,14.31818MHz.
Spread Spectrum for EMI control
I2C interface to stop clocks, select spread and frequency.
Excellent power managment feature through CLK_STOP#
and individual stop clocks through I2C.
Input is from a 14.31818MHz crystal.
28-Pin 209 mil SSOP
The ICS9248-80 is a general purpose system clock. It
provides 8 output CLKs, 1 REF CLK and excellent power
management features through CLK_STOP#.
Spread spectrum may be enabled through I2C programming.
Spread spectrum typically reduces EMI by 8dB to 10 dB.
This simplifies EMI qualification without resorting to board
design iterations or costly shielding. The ICS9248-80
employs a proprietary closed loop design, which tightly
controls the percentage of spreading over process and
temperature variations.
* These inputs have a 120K internal pull-up to 3.3V.
** These inputs have a 120K internal pull-down to GND.
ICS reserves the right to make changes in the device data identified in
this publication without further notice. ICS advises its customers to
obtain the latest version of all device data to verify that any
information being relied upon by the customer is current and accurate.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ICS9248YF-80-T | 制造商:ICS 制造商全稱:ICS 功能描述:General Purpose 133MHz System Clock |
| ICS9248YF-81 | 制造商:ICS 制造商全稱:ICS 功能描述:Frequency Generator & Integrated Buffers |
| ICS9248YF-87 | 制造商:ICS 制造商全稱:ICS 功能描述:Frequency Generator & Integrated Buffers for Celeron & PII/III⑩ |
| ICS9248YF-90-T | 制造商:ICS 制造商全稱:ICS 功能描述:Frequency Generator & Integrated Buffers for PENTIUM/ProTM |
| ICS9248YF-96LF-T | 制造商:ICS 制造商全稱:ICS 功能描述:Frequency Generator & Integrated Buffers for Celeron & PII/III⑩ |
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