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參數(shù)資料
| 型號(hào)： | SY58607UMG |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 11/13頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC CLOCK BUFFER 1:2 3GHZ 16-MLF |
| 標(biāo)準(zhǔn)包裝： | 100 |
| 系列： | Precision Edge® |
| 類型： | 扇出緩沖器（分配） |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 1:2 |
| 差分 - 輸入:輸出： | 是/是 |
| 輸入： | CML，LVDS，LVPECL |
| 輸出： | LVPECL |
| 頻率 - 最大： | 3GHz |
| 電源電壓： | 2.375 V ~ 3.6 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-VFQFN 裸露焊盤，16-MLF? |
| 供應(yīng)商設(shè)備封裝： | 16-MLF?（3x3） |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 1083 (CN2011-ZH PDF) |
| 其它名稱： | 576-1598 |
ICS843252-45
FEMTOCLOCKTM CRYSTAL-TO- 3.3V LVPECL FREQUENCY SYNTHESIZER
IDT / ICS 3.3V LVPECL FREQUENCY SYNTHESIZER
7
ICS843252AG-45 REV. A OCTOBER 23, 2008
Application Information
Recommendations for Unused Input Pins
Inputs:
LVCMOS Control Pins
All control pins have internal pullups; additional resistance is not
required but can be added for additional protection. A 1k
resistor
can be used.
Outputs:
LVPECL Outputs
All unused LVPECL outputs can be left floating. We recommend
that there is no trace attached. Both sides of the differential output
pair should either be left floating or terminated.
Power Supply Filtering Technique
As in any high speed analog circuitry, the power supply pins are
vulnerable to random noise. To achieve optimum jitter per-
formance, power supply isolation is required. The ICS843252-45
provides separate power supplies to isolate any high switching
noise from the outputs to the internal PLL. VCC, VCCA, VCCOA, and
VCCOB should be individually connected to the power supply plane
through vias, and 0.01F bypass capacitors should be used for
each pin. Figure 1 illustrates this for a generic VCC pin and also
shows that VCCA requires that an additional 10 resistor along with
a 10
F bypass capacitor be connected to the V
CCA pin.
Figure 1. Power Supply Filtering
Crystal Input Interface
The ICS843252-45 has been characterized with 18pF parallel
resonant crystals. The capacitor values, C1 and C2, shown in
Figure 2 below were determined using a 25MHz, 18pF parallel
resonant crystal and were chosen to minimize the ppm error. The
optimum C1 and C2 values can be slightly adjusted for different
board layouts.
Figure 2. Crystal Input Interface
VCC
VCCA
3.3V
10
10F
.01F
XTAL_IN
XTAL_OUT
X1
18pF Parallel Crystal
C1
27p
C2
27p
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SY58607UMG TR | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 4.25Gbps 2:1 CML Multiplexer w/ FSI Inputs RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| SY58607UMGTR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.2Gbps Precision, 1:2 LVPECL Fanout Buffer with Internal Termination and Fail Safe Input |
| SY58608U | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.2Gbps Precision, 1:2 LVDS Fanout Buffer |
| SY58608U_10 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.2Gbps Precision, 1:2 LVDS Fanout Buffer |
| SY58608UMG | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 4.25Gbps 2:1 LVPECL Multiplexer w/ FSI Inputs RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
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