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參數(shù)資料
| 型號： | ICS9248-99 |
| 英文描述： | Replaced by SN74ABT16373A : 16-Bit Transparent D-Type Latches With 3-State Outputs 48-TSSOP -40 to 85 |
| 中文描述： | 頻率發(fā)生器 |
| 文件頁數(shù)： | 7/11頁 |
| 文件大小： | 100K |
| 代理商： | ICS9248-99 |
7
ICS9248-185
CLK_STOP# Timing Diagram
CLK_STOP# is an asychronous input to the clock synthesizer. It is used to turn off the CPU clocks for low power operation.
CLK_STOP# is synchronized by the
ICS9248-185
. The minimum that the CPU clock is enabled (CLK_STOP# high pulse) is 100
CPU clocks. All other clocks will continue to run while the CPU clocks are disabled. The CPU clocks will always be stopped in
a low state and start in such a manner that guarantees the high pulse width is a full pulse. CPU clock on latency is less than 4
CPU clocks and CPU clock off latency is less than 4 CPU clocks.
Notes:
1. All timing is referenced to the internal CPU clock.
2. CLK_STOP# is an asynchronous input and metastable conditions may exist. This signal is synchronized
to the CPU clocks inside the ICS9248-185.
3. All other clocks continue to run undisturbed.
PCICLK
SDRAM
CPUCLK
CPUCLK _F
SDRAM_F
PCI_STOP# (High)
CLK_STOP#
INTERNAL
CPUCLK
相關PDF資料 |
PDF描述 |
|---|---|
| ICS9248yF-73-T | Replaced by SN74ABT16373A : 16-Bit Transparent D-Type Latches With 3-State Outputs 48-SSOP -40 to 85 |
| ICS9248yF-77 | Replaced by SN74ABT16373A : 16-Bit Transparent D-Type Latches With 3-State Outputs 48-SSOP -40 to 85 |
| ICS9248yF-78 | 16-Bit Transparent D-Type Latches With 3-State Outputs 48-TSSOP -40 to 85 |
| ICS9248yF-81 | Frequency Generator & Integrated Buffers |
| ICS9248yF-87 | 16-Bit Transparent D-Type Latches With 3-State Outputs 48-TSSOP -40 to 85 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ICS9248AF-152T | 制造商:Integrated Device Technology Inc 功能描述:ELECTRONIC COMPONENT |
| ICS9248AF-80LF | 制造商:Integrated Device Technology Inc 功能描述: |
| ICS9248AF-80T | 制造商:Integrated Device Technology Inc 功能描述:ELECTRONIC COMPONENT |
| ICS9248AF-81 | 制造商:Ics 功能描述:ELECTRONIC COMPONENT |
| ICS9248AG-150LN | 功能描述:IC FREQUENCY GENERATOR 48-TSSOP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 專用 系列:- 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） 供應商設備封裝:64-TSSOP 包裝:管件 |
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