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參數(shù)資料
| 型號(hào)： | MPC9817EN |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 時(shí)鐘產(chǎn)生/分配 |
| 英文描述： | 66 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO20 |
| 封裝： | LEAD FREE, SSOP-20 |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大?。?/td> | 628K |
| 代理商： | MPC9817EN |
DATA SHEET
MPC9817 REVISION 2 JUNE 24, 2009
1
2009 Integrated Device Technology, Inc.
Clock Generator for PowerQUICC and PowerPC
Microprocessors and Microcontrollers
MPC9817
The MPC9817 is a PLL-based clock generator specifically designed for Freescale
Semiconductor Microprocessor and Microcontroller applications including the PowerPC and
PowerQUICC. This device generates the microprocessor input clock and other microprocessor
system and bus clocks at any one of four output frequencies. These frequencies include the
popular
33- and 66-MHz PCI bus frequencies. The device offers five low-skew clock outputs plus three
reference outputs. The clock input reference is 25 MHz and may be derived from an external
source or by the addition of a 25-MHz crystal to the on-chip crystal oscillator. The extended
temperature range of the MPC9817 supports telecommunication and networking requirements.
Features
5 LVCMOS Outputs for Processor and Other System Circuitry
3 Buffered 25-MHz Reference Clock Outputs
Crystal Oscillator or External Reference Input
25-MHz Input Reference Frequency
Selectable Output Frequencies Include: 25, 33, 50, or 66 MHz
Low Cycle-to-Cycle and Period Jitter
Package: 20-Lead SSOP
3.3-V Supply
Supports Computing, Networking, and Telecommunications Applications
Ambient Temperature Range: –40°C to +85°C
Functional Description
The MPC9817 uses a PLL with a 25-MHz input reference frequency to generate a single
bank of five configurable LVCMOS output clocks. The output frequency of this bank is
configurable to either 25, 33, 50, or 66 MHz by two FSEL pins. The 25-MHz reference may be either an external frequency source or a 25-MHz
crystal. The 25-MHz crystal is directly connected to the XTAL_IN and XTAL_OUT pins with no additional components required. An external
reference may be applied to the XTAL_IN pin with the XTAL_OUT pin left floating. The input reference, whether provided by a crystal or an
external input, is also directly buffered to a second bank of three LVCMOS outputs. These outputs may be used as the clock source for
processor I/O applications such as an Ethernet PHY. When FSEL0 and FSEL1 are both configured low, the QA outputs are directly fed from
the input reference providing a total of eight low-skew 25-MHz outputs. For all other combinations of FSEL0 and FSEL1 the single-ended
LVCMOS outputs provide five low-skew outputs for use in driving a microprocessor or microcontroller clock input as well as other system
components.
The MPC9817 is packaged in a 20-lead SSOP package.
MICROPROCESSOR
CLOCK GENERATOR
EN SUFFIX
20 SSOP PACKAGE
Pb-FREE PACKAGE
CASE 1461-01
SD SUFFIX
20 SSOP PACKAGE
CASE 1461-01
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參數(shù)描述 |
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| MPC9817ENR2 | 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 FSL 1-5 PwrQUICC/Pwr PC Clk Gen, RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56 |
| MPC9817SD | 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 FSL 1-5 PwrQUICC/Pwr PC Clk Gen, RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56 |
| MPC9817SDR2 | 制造商:Integrated Device Technology Inc 功能描述:PLL Clock Generator Single 20-Pin QSOP T/R 制造商:Integrated Device Technology Inc 功能描述:FSL 1-5 PwrQUICC/Pwr PC Clk Gen, |
| MPC9819EN | 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56 |
| MPC9819ENR2 | 功能描述:IC PLL CLOCK GENERATOR 20-SSOP RoHS:是 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 專用 系列:- 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 |
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