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參數(shù)資料
| 型號： | CY28410OXCT |
| 廠商： | Silicon Laboratories Inc |
| 文件頁數(shù)： | 15/17頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC CLOCK CK410 GRANTSDALE 56SSOP |
| 標準包裝： | 1,000 |
| 類型： | 時鐘/頻率發(fā)生器 |
| PLL： | 是 |
| 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： | 1:19 |
| 差分 - 輸入:輸出： | 無/是 |
| 頻率 - 最大： | 266MHz |
| 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： | 56-BSSOP（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 56-SSOP |
| 包裝： | 帶卷 (TR) |
| 其它名稱： | SLCY28410OXCT |
CY28410
........................Document #: 38-07593 Rev. *C Page 7 of 17
Crystal Recommendations
The CY28410 requires a Parallel Resonance Crystal. Substi-
tuting a series resonance crystal will cause the CY28410 to
operate at the wrong frequency and \violate the ppm specifi-
cation. For most applications there is a 300ppm frequency shift
between series and parallel crystals due to incorrect loading.
Crystal Loading
Crystal loading plays a critical role in achieving low ppm perfor-
mance. To realize low ppm performance, the total capacitance
the crystal will see must be considered to calculate the appro-
priate capacitive loading (CL).
The following diagram shows a typical crystal configuration
using the two trim capacitors. An important clarification for the
following discussion is that the trim capacitors are in series
with the crystal not parallel. It’s a common misconception that
load capacitors are in parallel with the crystal and should be
approximately equal to the load capacitance of the crystal.
This is not true.
2
Externally
selected
CPUT/C
FS_C. Reflects the value of the FS_C pin sampled on power-up
0 = FS_C was low during VTT_PWRGD# assertion
1
Externally
selected
CPUT/C
FS_B. Reflects the value of the FS_B pin sampled on power-up
0 = FS_B was low during VTT_PWRGD# assertion
0
Externally
selected
CPUT/C
FS_A. Reflects the value of the FS_A pin sampled on power-up
0 = FS_A was low during VTT_PWRGD# assertion
Byte 7: Vendor ID
Bit
@Pup
Name
Description
7
0
Revision Code Bit 3
6
0
Revision Code Bit 2
5
1
Revision Code Bit 1
4
0
Revision Code Bit 0
3
1
Vendor ID Bit 3
2
0
Vendor ID Bit 2
1
0
Vendor ID Bit 1
0
Vendor ID Bit 0
Byte 6: Control Register 6 (continued)
Bit
@Pup
Name
Description
Table 5. Crystal Recommendations
Frequency
(Fund)
Cut
Loading Load Cap
Drive
(max.)
Shunt Cap
(max.)
Motional
(max.)
Tolerance
(max.)
Stability
(max.)
Aging
(max.)
14.31818 MHz
AT
Parallel
20 pF
0.1 mW
5 pF
0.016 pF
35 ppm
30 ppm
5 ppm
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CY28410ZC | 制造商:SPECTRALINEAR 制造商全稱:SPECTRALINEAR 功能描述:Clock Generator for Intel Grantsdale Chipset |
| CY28410ZCT | 制造商:SPECTRALINEAR 制造商全稱:SPECTRALINEAR 功能描述:Clock Generator for Intel Grantsdale Chipset |
| CY28410ZXC | 功能描述:時鐘發(fā)生器及支持產(chǎn)品 SysClk Intel Lakeprt & Grantsdale Chipset 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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-56 |
| CY28410ZXC-2 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Clock Generator for Intel Grantsdale Chipset |
| CY28410ZXC-2T | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Clock Generator for Intel Grantsdale Chipset |
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