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參數(shù)資料
| 型號： | ICS951901YF-T |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 時鐘產(chǎn)生/分配 |
| 英文描述： | 133.34 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| 封裝： | 0.300 INCH, MO-118, SSOP-48 |
| 文件頁數(shù)： | 10/19頁 |
| 文件大小： | 274K |
| 代理商： | ICS951901YF-T |
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ICS951901
Third party brands and names are the property of their respective owners.
PD# Timing Diagram
The power down selection is used to put the part into a very low power state without turning off the power to the part. PD# is
an asynchronous active low input. This signal needs to be synchronized internal to the device prior to powering down the clock
synthesizer.
Internal clocks are not running after the device is put in power down. When PD# is active low all clocks need to be driven to a
low value and held prior to turning off the VCOs and crystal. The power up latency needs to be less than 3 mS. The power down
latency should be as short as possible but conforming to the sequence requirements shown below. PCI_STOP# and
CPU_STOP# are considered to be don't cares during the power down operations. The REF and 48MHz clocks are expected to
be stopped in the LOW state as soon as possible. Due to the state of the internal logic, stopping and holding the REF clock
outputs in the LOW state may require more than one clock cycle to complete.
Notes:
1. All timing is referenced to the Internal CPUCLK (defined as inside the ICS94209 device).
2. As shown, the outputs Stop Low on the next falling edge after PD# goes low.
3. PD# is an asynchronous input and metastable conditions may exist. This signal is synchronized inside this part.
4. The shaded sections on the VCO and the Crystal signals indicate an active clock.
5. Diagrams shown with respect to 133MHz. Similar operation when CPU is 100MHz.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ICS951AI147L | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:LOW SKEW, 1-TO-9 DIFFERENTIAL-TOLVCMOS ZERO DELAY BUFFER |
| ICS952001 | 制造商:ICS 制造商全稱:ICS 功能描述:Preliminary Product Previes |
| ICS952001AF | 功能描述:IC TIMING CTRL HUB P4 48-SSOP RoHS:否 類別:集成電路 (IC) >> 時鐘/計時 - 專用 系列:TCH™ 標準包裝:1,500 系列:- 類型:時鐘緩沖器/驅(qū)動器 PLL:是 主要目的:- 輸入:- 輸出:- 電路數(shù):- 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(yīng)商設(shè)備封裝:28-SSOP 包裝:帶卷 (TR) 其它名稱:93786AFT |
| ICS952001AFLF | 功能描述:IC TIMING CTRL HUB P4 48-SSOP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 專用 系列:TCH™ 標準包裝:1,500 系列:- 類型:時鐘緩沖器/驅(qū)動器 PLL:是 主要目的:- 輸入:- 輸出:- 電路數(shù):- 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(yīng)商設(shè)備封裝:28-SSOP 包裝:帶卷 (TR) 其它名稱:93786AFT |
| ICS952001AFLFT | 功能描述:IC TIMING CTRL HUB P4 48-SSOP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 專用 系列:TCH™ 標準包裝:28 系列:- 類型:時鐘/頻率發(fā)生器 PLL:是 主要目的:Intel CPU 服務(wù)器 輸入:時鐘 輸出:LVCMOS 電路數(shù):1 比率 - 輸入:輸出:3:22 差分 - 輸入:輸出:無/是 頻率 - 最大:400MHz 電源電壓:3.135 V ~ 3.465 V 工作溫度:0°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:64-TFSOP （0.240"，6.10mm 寬） 供應(yīng)商設(shè)備封裝:64-TSSOP 包裝:管件 |
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