參數(shù)資料
型號: CY28378
廠商: Cypress Semiconductor Corp.
英文描述: FTG for Pentium 4 and Intel 845 Series Chipset
中文描述: 為奔騰4和Intel 845系列芯片組FTG
文件頁數(shù): 17/22頁
文件大小: 174K
代理商: CY28378
CY28378
Document #: 38-07519 Rev. **
Page 17 of 22
Switching Waveforms
Note:
6.
Device is not affected, VTT_PWRGD# is ignored.
FS_A, FS_B
VTT_PWRGD#
PWRGD_VRM
VDD Clock Gen
Clock State
Clock Outputs
Clock VCO
0.2-0.3mS
Delay
State 0
State 2
State 3
Wait for
VTT_PWRGD#
Sample Sels
Off
Off
On
On
State 1
Device is not affected,
VTT_PWRGD# is ignored
Figure 6. VTT_PWRGD# Timing Diagram
[6]
VTT_PWRGD# = Low
Delay
>0.25mS
S1
Power Off
S0
VDDA = 2.0V
Sample
Inputs straps
S2
Normal
Operation
Wait for 1.146ms
Enable Outputs
S3
VTT_PWRGD# = toggle
VDDA = off
Figure 7. Clock Generator Power-up/Run State Diagram
Duty Cycle Timing
t
1B
(Single-ended Output)
t
1A
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CY28378OC 制造商:SPECTRALINEAR 制造商全稱:SPECTRALINEAR 功能描述:FTG for Pentium 4㈢ and Intel㈢ 845 Series Chipset
CY28378OCT 制造商:SPECTRALINEAR 制造商全稱:SPECTRALINEAR 功能描述:FTG for Pentium 4㈢ and Intel㈢ 845 Series Chipset
CY28378OXC 功能描述:時鐘發(fā)生器及支持產(chǎn)品 Sys Clk Pentium 4 & Intel Brookdale 845 RoHS:否 制造商:Silicon Labs 類型: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
CY28378OXCT 功能描述:時鐘發(fā)生器及支持產(chǎn)品 Sys Clk Pentium 4 & Intel Brookdale 845 RoHS:否 制造商:Silicon Labs 類型: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
CY28381 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:High-Performance SiS645DX/648DX/650/651 Intel Pentium 4 Clock Synthesizer