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參數(shù)資料
| 型號： | SI5327D-C-GMR |
| 廠商： | SILICON LABORATORIES |
| 元件分類： | 時(shí)鐘產(chǎn)生/分配 |
| 英文描述： | 243 MHz, PROC SPECIFIC CLOCK GENERATOR, QCC36 |
| 封裝： | 6 X 6 MM, ROHS COMPLIANT, MO-220VJJD, QFN-36 |
| 文件頁數(shù)： | 13/60頁 |
| 文件大?。?/td> | 715K |
| 代理商： | SI5327D-C-GMR |
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Si5327
20
Preliminary Rev. 0.4
4.1. External Reference
An external, high quality clock or a low-cost 40 MHz
crystal is used as part of a fixed-frequency oscillator
within the DSPLL. This external reference is required for
the device to perform jitter attenuation. Silicon
Laboratories recommends using a high quality crystal.
Specific recommendations may be found in the Family
Reference Manual.
In digital hold, the DSPLL remains locked and tracks the
external reference. Note that crystals can have
temperature sensitivities.
4.2. Further Documentation
Consult the Silicon Laboratories Si53xx Any Frequency
Precision Clock Family Reference Manual (Si53xx
FRM) for detailed information about the Si5327
functions. Additional design support is available from
Silicon Laboratories through your distributor.
Silicon Laboratories has developed a PC-based
software utility called DSPLLsim to simplify device
configuration, including frequency planning and loop
bandwidth selection. The FRM and this utility can be
downloaded from http://www.silabs.com/timing.
Table 8. CKOUT_ALWAYS_ON and SQ_ICAL Truth Table
CKOUT_ALWAYS_ON
SQ_ICAL
Results
0
CKOUT OFF until after the first ICAL
0
1
CKOUT OFF until after the first successful
ICAL (i.e., when LOL is low)
1
0
CKOUT always ON, including during an ICAL
1
CKOUT always ON, including during an ICAL.
Use these settings to preserve output-to-output
skew
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| Si5327-EVB | 功能描述:時(shí)鐘和定時(shí)器開發(fā)工具 SI5327 EVAL BOARD RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Modules 類型:Clock Conditioners 工具用于評估:LMK04100B 頻率:122.8 MHz 工作電源電壓:3.3 V |
| SI5328 | 制造商:SILABS 制造商全稱:SILABS 功能描述:ITU-T G.8262 SYNCHRONOUS ETHERNET JITTER-ATTENUATING CLOCK MULTIPLIER |
| SI5328B-C-GM | 制造商:Silicon Laboratories Inc 功能描述:G.8262 SYNCE CLOCK MULTIPLIER/JITTER ATTENUATOR - Trays 制造商:Silicon Laboratories Inc 功能描述:IC CLK MULTIPLIER ETH 36QFN |
| SI5328B-C-GMR | 制造商:Silicon Laboratories Inc 功能描述:IC CLK MULTIPLIER ETH 36QFN |
| SI5328C-C-GM | 制造商:Silicon Laboratories Inc 功能描述:G.8262 SYNCE CLOCK MULTIPLIER/JITTER ATTENUATOR - Trays 制造商:Silicon Laboratories Inc 功能描述:IC TIMING CLOCK 36QFN 制造商:Silicon Laboratories Inc 功能描述:Clock Generators & Support Products G.8262 SyncE Clock Multiplier |
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