參數(shù)資料
型號: CY28410OXCT
廠商: CYPRESS SEMICONDUCTOR CORP
元件分類: XO, clock
英文描述: Clock Generator for Intel Grantsdale Chipset
中文描述: 266 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO56
封裝: LEAD FREE, SSOP-56
文件頁數(shù): 10/18頁
文件大?。?/td> 281K
代理商: CY28410OXCT
CY28410
Document #: 38-07593 Rev. *C
Page 10 of 18
Figure 4. Power-down Deassertion Timing Waveform
DOT96C
PD
CPUC, 133MHz
CPUT, 133MHz
SRCC 100MHz
USB, 48MHz
DOT96T
SRCT 100MHz
Tstable
<1.8nS
PCI, 33MHz
REF
Tdrive_PWRDN#
<300
μ
S, >200mV
FS_A, FS_B,FS_C
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 5. VTT_PWRGD# Timing Diagram
VTT_PWRGD# = Low
Delay
>0.25mS
S1
Power Off
S0
VDD_A = 2.0V
Sample
Inputs straps
S2
Normal
Operation
Wait for <1.8ms
Enable Outputs
S3
VTT_PWRGD# = toggle
VDD_A = off
Figure 6. Clock Generator Power-up/Run State Diagram
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