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參數(shù)資料
| 型號： | ASM5I9352 |
| 廠商： | Alliance Semiconductor Corporation |
| 英文描述： | 2.5V or 3.3V, 200 MHz, 11 Output Zero Delay Buffer |
| 中文描述： | 2.5V或3.3V，200兆赫，11輸出零延遲緩沖器 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 475K |
| 代理商： | ASM5I9352 |
July 2005
rev 0.2
ASM5I9352
Alliance Semiconductor
2575, Augustine Drive
Santa Clara, CA
Tel: 408.855.4900
Fax: 408.855.4999
www.alsc.com
Notice: The information in this document is subject to change without notice.
2.5V or 3.3V, 200 MHz, 11 Output Zero Delay Buffer
Features
Output frequency range: 25MHz to 200MHz
Output frequency range: 16.67MHz to 200MHz
Input frequency range: 16.67MHz to 200MHz
2.5V or 3.3V operation
Split 2.5V/3.3V outputs
± 2% max Output duty cycle variation
11 Clock outputs: Drive up to 22 clock lines
LVCMOS reference clock input
125-pS max output-output skew
PLL bypass mode
Spread Aware
TM
Output enable/disable
Pin compatible with MPC9352 and MPC952
Industrial temperature range: –40°C to +85°C
32-Pin 1.0mm TQFP & LQFP Packages
Functional Description
The ASM5I9352 is a low voltage high performance
200MHz PLL-based zero delay buffer designed for high
speed clock distribution applications.
The ASM5I9352 features an LVCMOS reference clock
input and provides 11 outputs partitioned in 3 banks of 5, 4,
and 2 outputs. Bank A divides the VCO output by 4 or 6
while Bank B divides by 4 and 2 and Bank C divides by 2
and 4 per SEL(A:C) settings, see Table 2. These dividers
allow output to input ratios of 3:1, 2:1, 3:2, 1:1, 2:3, 1:2, and
1:3. Each LVCMOS compatible output can drive 50
series
or parallel terminated transmission lines. For series
terminated transmission lines, each output can drive one or
two traces giving the device an effective fanout of 1:22.
The PLL is ensured stable given that the VCO is configured
to run between 200 MHz to 500 MHz. This allows a wide
range of output frequencies from 16.67 MHz to 200 MHz.
For normal operation, the external feedback input, FB_IN,
is connected to one of the outputs. The internal VCO is
running at multiples of the input reference clock set by the
feedback divider, see Table 1.
When PLL_EN# is HIGH, PLL is bypassed and the
reference clock directly feeds the output dividers. This
mode is fully static and the minimum input clock frequency
specification does not apply.
相關PDF資料 |
PDF描述 |
|---|---|
| ASM5I9352-32-ET | 2.5V or 3.3V, 200 MHz, 11 Output Zero Delay Buffer |
| ASM5I9352-32-LT | 2.5V or 3.3V, 200 MHz, 11 Output Zero Delay Buffer |
| ASM5I961CG-32-ET | Low Voltage Zero Delay Buffer |
| ASM5I961CG-32-LT | Low Voltage Zero Delay Buffer |
| ASM5I961C | Low Voltage Zero Delay Buffer |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ASM5I9352-32-ET | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:2.5V or 3.3V, 200 MHz, 11 Output Zero Delay Buffer |
| ASM5I9352-32-LT | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:2.5V or 3.3V, 200 MHz, 11 Output Zero Delay Buffer |
| ASM5I9352G-32-ET | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:2.5V or 3.3V, 200 MHz, 11 Output Zero Delay Buffer |
| ASM5I9352G-32-LT | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:2.5V or 3.3V, 200 MHz, 11 Output Zero Delay Buffer |
| ASM5I961C | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Low Voltage Zero Delay Buffer |
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