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參數(shù)資料
| 型號(hào)： | ICS557G-06LFT |
| 元件分類： | 時(shí)鐘及定時(shí) |
| 英文描述： | 557 SERIES, LOW SKEW CLOCK DRIVER, 4 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO20 |
| 封裝： | 0.173 INCH, ROHS COMPLIANT, TSSOP-20 |
| 文件頁數(shù)： | 4/10頁 |
| 文件大?。?/td> | 203K |
| 代理商： | ICS557G-06LFT |
MDS 557-06 C
3
Revision 010306
In te gr ated Circuit Systems ● 525 Ra ce Street, San Jose, CA 9512 6 ● tel (4 08) 297-1 201 ● www.icst.com
ICS557-06
One to Four HCSL Clock Buffer
Application Information
Decoupling Capacitors
As with any high-performance mixed-signal IC, the
ICS557-06 must be isolated from system power supply
noise to perform optimally.
Decoupling capacitors of 0.01F must be connected
between each VDD and the PCB ground plane.
PCB Layout Recommendations
For optimum device performance and lowest output
phase noise, the following guidelines should be
observed.
Each 0.01F decoupling capacitor should be mounted
on the component side of the board as close to the
VDD pin as possible. No vias should be used between
decoupling capacitor and VDD pin. The PCB trace to
VDD pin should be kept as short as possible, as should
the PCB trace to the ground via. Distance of the ferrite
bead and bulk decoupling from the device is less
critical.
2) An optimum layout is one with all components on the
same side of the board, minimizing vias through other
signal layers (the ferrite bead and bulk decoupling
capacitor can be mounted on the back). Other signal
traces should be routed away from the ICS557-06.
This includes signal traces just underneath the device,
or on layers adjacent to the ground plane layer used by
the device.
External Components
A minimum number of external components are
required for proper operation. Decoupling capacitors of
0.01
F should be connected between VDD and GND
pairs (2,9 and 15,16) as close to the device as possible.
Current Reference Source Rr (Iref)
If board target trace impedance (Z) is 50
, then Rr =
475
(1%), providing IREF of 2.32 mA, output current
(IOH) is equal to 6*IREF.
Load Resistors RL
Since the clock outputs are open source outputs, 50
ohm external resistors to ground are to be connected at
each clock output.
Output Termination
The PCI-Express differential clock outputs of the
ICS557-06 are open source drivers and require an
external series resistor and a resistor to ground. These
resistor values and their allowable locations are shown
in detail in the PCI-Express Layout Guidelines
section.
The ICS557-06 can also be configured for LVDS
compatible voltage levels. See the LVDS Compatible
Layout Guidelines section.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ICS557G-06T | 557 SERIES, LOW SKEW CLOCK DRIVER, 4 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO20 |
| ICS557G-07T | 557 SERIES, LOW SKEW CLOCK DRIVER, 1 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO16 |
| ICS557G-07 | 557 SERIES, LOW SKEW CLOCK DRIVER, 1 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO16 |
| ICS558AG-02LNT | 558 SERIES, LOW SKEW CLOCK DRIVER, 4 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO16 |
| ICS558AG-02 | 558 SERIES, LOW SKEW CLOCK DRIVER, 4 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO16 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ICS557G-06T | 功能描述:IC CLK BUFFER 1:4 HCSL 20-TSSOP RoHS:否 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 專用 系列:PCI Express® (PCIe) 標(biāo)準(zhǔn)包裝:1,500 系列:- 類型:時(shí)鐘緩沖器/驅(qū)動(dòng)器 PLL:是 主要目的:- 輸入:- 輸出:- 電路數(shù):- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 電源電壓:3.3V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:28-SSOP 包裝:帶卷 (TR) 其它名稱:93786AFT |
| ICS557G-08 | 功能描述:IC MUX 2:1 PCI EXPRESS 16-TSSOP RoHS:否 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 專用 系列:PCI Express® (PCIe) 標(biāo)準(zhǔn)包裝:1,500 系列:- 類型:時(shí)鐘緩沖器/驅(qū)動(dòng)器 PLL:是 主要目的:- 輸入:- 輸出:- 電路數(shù):- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 電源電壓:3.3V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:28-SSOP 包裝:帶卷 (TR) 其它名稱:93786AFT |
| ICS557G-08LF | 功能描述:IC MUX 2:1 PCI-EXPRESS 16-TSSOP RoHS:是 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 專用 系列:PCI Express® (PCIe) 標(biāo)準(zhǔn)包裝:1 系列:- 類型:時(shí)鐘/頻率發(fā)生器，多路復(fù)用器 PLL:是 主要目的:存儲(chǔ)器，RDRAM 輸入:晶體 輸出:LVCMOS 電路數(shù):1 比率 - 輸入:輸出:1:2 差分 - 輸入:輸出:無/是 頻率 - 最大:400MHz 電源電壓:3 V ~ 3.6 V 工作溫度:0°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:Digi-Reel® 其它名稱:296-6719-6 |
| ICS557G-08LFT | 功能描述:IC MUX 2:1 PCI EXPRESS 16-TSSOP RoHS:是 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 專用 系列:PCI Express® (PCIe) 標(biāo)準(zhǔn)包裝:28 系列:- 類型:時(shí)鐘/頻率發(fā)生器 PLL:是 主要目的:Intel CPU 服務(wù)器 輸入:時(shí)鐘 輸出:LVCMOS 電路數(shù):1 比率 - 輸入:輸出:3:22 差分 - 輸入:輸出:無/是 頻率 - 最大:400MHz 電源電壓:3.135 V ~ 3.465 V 工作溫度:0°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:64-TFSOP （0.240"，6.10mm 寬） 供應(yīng)商設(shè)備封裝:64-TSSOP 包裝:管件 |
| ICS557G-08T | 功能描述:IC MUX 2:1 PCI EXPRESS 16-TSSOP RoHS:否 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 專用 系列:PCI Express® (PCIe) 標(biāo)準(zhǔn)包裝:1,500 系列:- 類型:時(shí)鐘緩沖器/驅(qū)動(dòng)器 PLL:是 主要目的:- 輸入:- 輸出:- 電路數(shù):- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 電源電壓:3.3V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:28-SSOP 包裝:帶卷 (TR) 其它名稱:93786AFT |
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