參數(shù)資料
型號(hào): 9248BF-81LF
廠(chǎng)商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類(lèi): 時(shí)鐘產(chǎn)生/分配
英文描述: 133.3 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48
封裝: 0.300 INCH, GREEN, SSOP-48
文件頁(yè)數(shù): 11/20頁(yè)
文件大?。?/td> 568K
代理商: 9248BF-81LF
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9248-81 (Desktop Chipsets)
Description
The ICS9248-81I is the single chip clock solution for Desktop/Notebook designs using the SIS style chipset. It provides all necessary clock
signals for such a system.
Market Group
PC CLOCK
Additional Info
Generates the following system clocks: - 3 CPU(2.5V/3.3V) up to 133.3MHz. - 6 PCI(3.3V) (including 1 free-running) - 13 SDRAMs(3.3V) up to
133.3MHz. - 3 REF (3.3V) @ 14.318MHz - 1 clock @ 24/14.3 MHz selectable output for SIO - 1 Fixed clock at 48MHz (3.3V) - 1 IOAPIC @ 2.5V /
3.3V Skew characteristics: - CPU – CPU<175ps - SDRAM – SDRAM < 250ps - CPU–SDRAM < 500ps - CPU(early) – PCI : 1-4ns (typ. 3ns) -
PCI – PCI <500ps Supports Spread Spectrum modulation ±0.25 & ±0.5% center spread Serial I2C interface for Power Management,
Frequency Select, Spread Spectrum. Efficient Power management scheme through PCI, SDRAM, CPU STOP CLOCKS and PD#. Uses
external 14.318MHz crystal 48 pin 300mil SSOP.
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9248BF-81LFT 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 RoHS:否 制造商:Silicon Labs 類(lèi)型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56
9248DF-39LF 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 RoHS:否 制造商:Silicon Labs 類(lèi)型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56
9248DF-39LFT 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 RoHS:否 制造商:Silicon Labs 類(lèi)型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56
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