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參數(shù)資料
| 型號： | SY58620LMG TR |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 5/18頁 |
| 文件大?。?/td> | 0K |
| 描述： | TXRX 4.25GBPS CML OUT 24-MLF |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 1/1 |
| 電源電壓： | 3 V ~ 3.6 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-VFQFN 裸露焊盤，24-MLF? |
| 供應(yīng)商設(shè)備封裝： | 24-MLF?（4x4） |
| 包裝： | 帶卷 (TR) |
| 其它名稱： | SY58620LMGTR SY58620LMGTR-ND |
Micrel, Inc.
SY58620L
January 2006
13
M9999-012006-C
hbwhelp@micrel.com or (408) 955-1690
PRBS Discussion
LOS Testing
The LOS function is tested with a 2
7-1 PRBS (Pseudo
Random Bit Stream) data pattern. A PRBS data
pattern of 2
7-1 is used because it is a good
approximation
to
an
8b10b-encoded
NRZ
data
stream. 8b10b encodes 8 bits of data and replaces it
with 10 bits of symbol. The extra bits are added to
improve transition density and the BER (Bit Error
Rate) of the system.
Deterministic Jitter Testing and the K28.5 Pattern
The K28.5 (11000001010011111010) and 2
23-1 PRBS
data patterns are used to characterize DJ because
both data patterns have lower spectral frequency
content which provides a best approximation to
scrambled NRZ data streams.
Random Jitter Testing and the K28.7 Pattern
The K28.7 (1111100000…) data pattern is used to
measure RJ since the pattern is free of DJ. In
addition, because the K28.7 data pattern can be used
to compare the TN (N
TH period) to the T
0 (1
st period),
low frequency jitter components can be accumulated.
Power Supply Filtering
Although the SY58620L is fully differential, it is
recommended that the power supplies are filtered as
shown in Figure 4.
Figure 4. Power Supply Filtering Scheme
Item
Description
C1, C2, C3, C23
0.1F Capacitor
C4, C5, C6, C22
0.01F Capacitor
L1, L2, L3
1.2H Ferrite Bead Inductor
Table 1. Bill of Materials
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SY58621L | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Precision 3.2Gbps CML/LVPECL Backplane Transceiver with Integrated Loopback |
| SY58621L_10 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Precision 3.2Gbps CML/LVPECL Backplane |
| SY58621LMG | 功能描述:總線收發(fā)器 4.25Gbps Transceiver w/ CML/LVPECL Outputs (I Temp, Green) RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| SY58621LMG TR | 功能描述:總線收發(fā)器 4.25Gbps Transceiver w/ CML/LVPECL Outputs (I Temp, Green) RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| SY58621LMGTR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Precision 3.2Gbps CML/LVPECL Backplane Transceiver with Integrated Loopback |
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