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參數(shù)資料
| 型號(hào)： | MPC9446FA |
| 廠商： | IDT, Integrated Device Technology Inc |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC CLK BUFF DVDR MUX 2:10 32LQFP |
| 標(biāo)準(zhǔn)包裝： | 250 |
| 類(lèi)型： | 扇出緩沖器（分配），除法器，多路復(fù)用器 |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 2:10 |
| 差分 - 輸入:輸出： | 無(wú)/無(wú) |
| 輸入： | LVCMOS |
| 輸出： | LVCMOS |
| 頻率 - 最大： | 250MHz |
| 電源電壓： | 2.375 V ~ 3.465 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類(lèi)型： | 表面貼裝 |
| 封裝/外殼： | 32-LQFP |
| 供應(yīng)商設(shè)備封裝： | 32-TQFP（7x7） |
| 包裝： | 托盤(pán) |
| 其它名稱： | 800-2010 MPC9446FAIDT-ND |
DATASHEET
3.3V and 2.5V, LVCMOS Clock Fanout Buffer
MPC9446
NRND
MPC9446 REVISION 5 DECEMBER 21, 2012
1
2012 Integrated Device Technology, Inc.
The MPC9446 is a 2.5 V and 3.3 V compatible 1:10 clock distribution buffer designed
for low-voltage mid-range to high-performance telecom, networking and computing
applications. Both 3.3 V, 2.5 V and dual supply voltages are supported for mixed-voltage
applications. The MPC9446 offers 10 low-skew outputs and 2 selectable inputs for clock
redundancy. The outputs are configurable and support 1:1 and 1:2 output to input
frequency ratios. The MPC9446 is specified for the extended temperature range of –40
C
to 85
C.
Features
Configurable 10 outputs LVCMOS clock distribution buffer
Compatible to single, dual and mixed 3.3 V/2.5 V voltage supply
Wide range output clock frequency up to 250 MHz
Designed for mid-range to high-performance telecom, networking
and computer applications
Supports applications requiring clock redundancy
Maximum output skew of 200 ps (150 ps within one bank)
Selectable output configurations per output bank
Tristable outputs
32-lead LQFP package, Pb-free
Ambient operating temperature range of –40 to 85
C
Functional Description
The MPC9446 is a full static fanout buffer design supporting clock frequencies up to 250
MHz. The signals are generated and retimed on-chip to ensure minimal skew between the
three output banks. Two independent LVCMOS compatible clock inputs are available. This
feature supports redundant clock sources or the addition of a test clock into the system design. Each of the three output banks can be
individually supplied by 2.5 V or 3.3 V supporting mixed voltage applications. The FSELx pins choose between division of the input refer-
ence frequency by one or two. The frequency divider can be set individually for each of the three output banks. The MPC9446 can be
rese,t and the outputs are disabled by deasserting the MR/OE pin (logic high state). Asserting MR/OE will enable the outputs.
All inputs accept LVCMOS signals while the outputs provide LVCMOS compatible levels with the capability to drive terminated 50
transmission lines. Please consult the MPC9456 specification for a 1:10 mixed voltage buffer with LVPECL compatible inputs. For series
terminated transmission lines, each of the MPC9446 outputs can drive one or two traces giving the devices an effective fanout of 1:20.
The device is packaged in a 7x7 mm2 32-lead LQFP package.
AC SUFFIX
32-LEAD LQFP PACKAGE
Pb-FREE PACKAGE
CASE 873A-04
MPC9446
LOW VOLTAGE SINGLE OR
DUAL SUPPLY 2.5 V AND 3.3 V
LVCMOS CLOCK
DISTRIBUTION BUFFER
NRND – Not Recommend for New Designs
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MPC9446FAR2 | 功能描述:時(shí)鐘驅(qū)動(dòng)器及分配 FSL 1-10 LVCMOS Fanout Buffer RoHS:否 制造商:Micrel 乘法/除法因子:1:4 輸出類(lèi)型:Differential 最大輸出頻率:4.2 GHz 電源電壓-最大: 電源電壓-最小:5 V 最大工作溫度:+ 85 C 封裝 / 箱體:SOIC-8 封裝:Reel |
| MPC9447 | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:3.3V/2.5V 1:9 LVCMOS Clock Fanout Buffer |
| MPC9447AC | 功能描述:時(shí)鐘緩沖器 2.5 3.3V 250MHz Clock Generator RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:5 最大輸入頻率:40 MHz 傳播延遲（最大值）: 電源電壓-最大:3.45 V 電源電壓-最小:2.375 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LLP-24 封裝:Reel |
| MPC9447ACR2 | 功能描述:時(shí)鐘緩沖器 FSL 1-9 LVCMOS Fanout Buffer RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:5 最大輸入頻率:40 MHz 傳播延遲（最大值）: 電源電壓-最大:3.45 V 電源電壓-最小:2.375 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LLP-24 封裝:Reel |
| MPC9447D | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:3.3V/2.5V 1:9 LVCMOS Clock Fanout Buffer |
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