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參數(shù)資料
| 型號： | PRN299 |
| 廠商： | California Micro Devices Corporation |
| 英文描述： | POSITIVE/POEUDO ECL(PECL)CLOCK TERMINATION NETWORK |
| 中文描述： | 正/ POEUDO ECL（PECL的）鐘終端網(wǎng)絡(luò) |
| 文件頁數(shù)： | 1/3頁 |
| 文件大?。?/td> | 126K |
| 代理商： | PRN299 |
2000 California Micro Devices Corp. All rights reserved.
215 Topaz Street, Milpitas, California 95035 Tel: (408) 263-3214 Fax: (408) 263-7846 www.calmicro.com
3/00
CALIFORNIA MICRO DEVICES
PRN299
1
POSITIVE / PSEUDO ECL (PECL) CLOCK TERMINATION NETWORK
Features
Stable resistor network
Reduces power dissipation on the clock lines
Ideal for high-speed clock termination
Reduces board space by 70% vs. 1206 discretes
and component count by more than 50%
PAC VGA200 is a trademark of California Micro Devices Corp.
Application Note
High speed microprocessors line Intels Pentium/P6
, Apple PowerPC
, SPARC
and other CISC and RISC based systems need
well-controlled and precise clock signals to maintain a synchronous systems. The fast edge rated clock signals will exhibit
transmission line effects on the clock lines resulting in undershoots and overshoots. The integrated PECL termination is
designed to suppress the undershoots and overshoots on the clock lines. The PECL RC terminator dissipates very low power
compared to the resistor termination network.
Why thin.film R networks
The PECL termination is an integrated R network fabricated on a silicon substrate using
advanced thin film technology. This will have a fixed time constant and will not create additional skew on the clock lines. It
has a low parasitic inductance compared to discrete and conventional thick film R terminators and provide effective termination
at high frequencies.
Applications
PECL clock termination
When placing an order please specify desired shipping: Tubes or Tape & Reel.
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