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參數資料
| 型號： | ICS950810YFLF-T |
| 英文描述： | High-Voltage, High-Current Darlington Arrays, 18-pin DIP |
| 中文描述： | 頻率發(fā)生器200MHz的CPU的時鐘差分 |
| 文件頁數： | 16/19頁 |
| 文件大?。?/td> | 167K |
| 代理商： | ICS950810YFLF-T |
16
ICS950810
0472F—01/12/04
When PWRDWN# is sampled low by two consecutive rising edges of CPU clock, then all clock outputs except CPU clocks
must be held low on their next high to low transitions. When the I2C Bit 6 of Byte 0 is programmed to '0' CPU clocks must
be held with the CPU clock pin driven high with a value of 2 x Iref, and CPU# undriven. If Bit 6 of Byte 0 is '1' then both
CPU and CPU# are undriven. Note the example below shows CPU = 133 MHz and Bit 6 of Byte 0 = '0', this diagram and
description is applicable for all valid CPU frequencies 66, 100, 133, 200 MHz.
Due to the state if the internal logic, stopping and holding the REF clock outputs in the LOW state may require more than
one clock cycle to complete.
PD# - Assertion (transition from logic "1" to logic "0")
Power Down Assertion of Waveforms
0ns
PD#
CPUT 100MHz
CPUC 100MHz
3V66MHz
PCI 33MHz
USB 48MHz
REF 14.318MHz
25ns
50ns
Power Down De-Assertion Mode
The power-up latency needs to be less than 1.8mS. this is the time from the de-asseration of the powerdown of the ramping
of the power supply until the time that stable clocks are output from the clock chip. If the I
2
C Bit 6 of Byte 0 is programmed
to "1" then the stopped CPU outputs will be driven high within 3 nS of PD# de-asseration.
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相關代理商/技術參數 |
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| ICS950811 | 制造商:ICS 制造商全稱:ICS 功能描述:Frequency Generator with 200MHz Differential CPU Clocks |
| ICS950811AGLFT | 功能描述:IC FREQ GEN 200MHZ CLK 56-TSSOP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 專用 系列:- 標準包裝:1 系列:- 類型:時鐘/頻率發(fā)生器，多路復用器 PLL:是 主要目的:存儲器，RDRAM 輸入:晶體 輸出:LVCMOS 電路數:1 比率 - 輸入:輸出:1:2 差分 - 輸入:輸出:無/是 頻率 - 最大:400MHz 電源電壓:3 V ~ 3.6 V 工作溫度:0°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:16-TSSOP 包裝:Digi-Reel® 其它名稱:296-6719-6 |
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| ICS950812 | 制造商:ICS 制造商全稱:ICS 功能描述:Frequency Generator with 200MHz Differential CPU Clocks |
| ICS950812CGLF | 功能描述:IC FREQ GEN 200MHZ CLK 56-TSSOP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 專用 系列:- 標準包裝:1,500 系列:- 類型:時鐘緩沖器/驅動器 PLL:是 主要目的:- 輸入:- 輸出:- 電路數:- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 電源電壓:3.3V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP（0.209"，5.30mm 寬） 供應商設備封裝:28-SSOP 包裝:帶卷 (TR) 其它名稱:93786AFT |
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