參數(shù)資料
型號: CY28378OXCT
廠商: Silicon Laboratories Inc
文件頁數(shù): 9/21頁
文件大?。?/td> 0K
描述: IC CLOCK CK408/TITAN 845 48SSOP
標準包裝: 1,000
類型: 時鐘/頻率發(fā)生器
PLL:
主要目的: Intel CPU 服務(wù)器
輸入: 晶體
輸出: HCSL,LVCMOS
電路數(shù): 1
比率 - 輸入:輸出: 1:21
差分 - 輸入:輸出: 無/是
頻率 - 最大: 203MHz
電源電壓: 3.135 V ~ 3.465 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 48-BSSOP(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 48-SSOP
包裝: 帶卷 (TR)
CY28378
...................... Document #: 38-07519 Rev. ** Page 17 of 21
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
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
t1B
(Single-ended Output)
t1A
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