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參數(shù)資料
| 型號： | CY28347 |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | HDC-HA-48-SVL1/29 RoHS Compliant: Yes |
| 中文描述： | 通用單芯片時鐘為威盛P4M266/KM266的DDR系統(tǒng)解決方案 |
| 文件頁數(shù)： | 20/22頁 |
| 文件大小： | 188K |
| 代理商： | CY28347 |
CY28347
Document #: 38-07352 Rev. *C
Page 20 of 22
Note:
26. This timing diagram shows that VTT_PWRGD# transits to a logic LOW in the first time at power up. After the first HIGH to LOW transition of VTT_PWRGD#,
device is not affected, VTT_PWRGD# is ignored.
VID (0:3),
SEL (0,1)
VTT_PWRGD#
PWRGD
VDD Clock Gen
Clock State
Clock Outputs
Clock VCO
0.2-0.3mS
Delay
State 0
State 2
State 3
Wait for
VTT_GD#
Sample Sels
Off
Off
On
On
State 1
(Note A)
Figure 17. VTT_PWGD# Timing Diagram (With Advanced PIII Processor SELP4_K7# = 1)
[26]
VTWG#
=Lw
D elay 0.25m S
S 1
Power O ff
S 0
VD D A = 2.0V
Sam ple
Inputs
FS(3:0)
S 2
VD D 3.3 = O ff
N orm al
O peration
S 3
W ait for
1.146m s
Enable
O utputes
Figure 18. Clock Generator Power-up/Run State Diagram (with P4 Processor SELP4_K7# = 1)
Ordering Information
Part Number
Package Type
Product Flow
CY28347OC
56-pin Shrunk Small Outline Package (SSOP)
Commercial, 0
°
to 70
°
C
CY28347OCT
56-pin Shrunk Small Outline Package (SSOP)
–
Tape and Reel
Commercial, 0
°
to 70
°
C
CY28347ZC
56-pin Thin Shrunk Small Outline package (TSSOP)
Commercial, 0
°
to 70
°
C
CY28347ZCT
56-pin Thin Shrunk Small Outline package (TSSOP)
–
Tape and Reel
Commercial, 0
°
to 70
°
C
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CY28347ZC | Universal Single-chip Clock Solution for VIA P4M266/KM266 DDR Systems |
| CY28347ZCT | Universal Single-chip Clock Solution for VIA P4M266/KM266 DDR Systems |
| CY28347OC | Universal Single-chip Clock Solution for VIA P4M266/KM266 DDR Systems |
| CY28347OCT | Universal Single-chip Clock Solution for VIA P4M266/KM266 DDR Systems |
| CY28349B | FTG for Intel Pentium 4 CPU and Chipsets |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CY28347OC | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Universal Single-chip Clock Solution for VIA P4M266/KM266 DDR Systems |
| CY28347OCT | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Universal Single-chip Clock Solution for VIA P4M266/KM266 DDR Systems |
| CY28347ZC | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CY28347ZCT | 制造商:Rochester Electronics LLC 功能描述:FTG FOR VIA P4 CHIPSET - Tape and Reel |
| CY28349 | 制造商:SPECTRALINEAR 制造商全稱:SPECTRALINEAR 功能描述:FTG for Intel㈢ Pentium㈢ 4 CPU and Chipsets |
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