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參數(shù)資料
| 型號(hào)： | MK1716R-01RT |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類(lèi)： | 時(shí)鐘產(chǎn)生/分配 |
| 英文描述： | 133.33 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO28 |
| 封裝： | 0.150 INCH, SSOP-28 |
| 文件頁(yè)數(shù)： | 1/9頁(yè) |
| 文件大?。?/td> | 217K |
| 代理商： | MK1716R-01RT |
DATASHEET
SERIAL PROGRAMMABLE PCI SS VERSACLOCK SYNTHESIZER
MK1716-01
IDT SERIAL PROGRAMMABLE PCI SS VERSACLOCK SYNTHESIZER
1
MK1716-01
REV G 121809
Description
The MK1716-01 is a versatile serial programmable clock
source which takes up very little board space.
The device can simultaneously generate two groups of 4
output clocks and a reference clock output. Both clock
groups (CLKA and CLKB) are derived from a single PLL,
and have the ability to incorporate Spread Spectrum
frequency modulation for reduced system EMI. Each group
has control of independent PLL output divide values.
Outputs may be programmed on the fly, and will lock to a
new frequency in 10 ms or less.
Each of the two groups are powered by a separate VDDIO
voltage. The reference clock uses the fixed VDD voltage.
VDDIO may vary from 2.5 V to VDD.
The devices includes a OE pin which tri-states the output
clocks and when tied low.
IDT’ VersaClockTM software allows the user to generate
MK1716-01 device optimizing configuration code for target
output frequencies and spread spectrum amounts.
Features
Packaged in 28-pin SSOP
Operating voltage 3.3 V
Serially programmable: user determines the output
frequency via a 3-wire interface
Highly accurate frequency generation
M/N Multiplier PLL: M = 1..2048, N = 1..1024
Eliminates the need for custom Quartz Oscillators
Input crystal frequency of 5-27 MHz
Input clock frequency of 3-50 MHz
Output clock frequencies of 250 kHz to 133.33 MHz
Spread Spectrum frequency modulation for reduced
system EMI
Center or down spread ±0.5% min to 4% total
Selectable 32 kHz and 120 kHz modulation rate
Advanced, low power, sub-micron CMOS process
Separate VDD ‘s for each bank of 4 outputs
Output skew <250 ps within output bank
OE control on outputs
NOTE: EOL for non-green parts to occur on 5/13/10
per PDN U-09-01
Block Diagram
Clock
Buffer/
Crystal
Ocsillator
VDD
GND
PLL
with
Spread
SpectrumCircuit
REF OUT
CLKA
CLKB
VDDIOA
VDDIOB
DIV A
DIV B
OE
4
6
X2
Crystal or
clock input
External capacitors are
required with a crystal input.
X1/ICLK
SCLK
DATA
STROBE
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MK172 | 制造商:Velleman Inc 功能描述:Sound Star Kit 制造商:Velleman Inc 功能描述:Sound LED Star Kit |
| MK1725 | 制造商:ICS 制造商全稱(chēng):ICS 功能描述:Quad Output Spread Spectrum Clock Generator |
| MK1725GILF | 功能描述:IC CLK GEN SPRD SPECTRUM 16TSSOP RoHS:是 類(lèi)別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘發(fā)生器，PLL，頻率合成器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 類(lèi)型:時(shí)鐘/頻率合成器，扇出分配 PLL:- 輸入:- 輸出:- 電路數(shù):- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 除法器/乘法器:- 電源電壓:- 工作溫度:- 安裝類(lèi)型:表面貼裝 封裝/外殼:56-VFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:56-VFQFP-EP（8x8） 包裝:帶卷 (TR) 其它名稱(chēng):844S012AKI-01LFT |
| MK1725GILFTR | 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 QUAD OUTPUT SPREAD SPECTRUM CLK GENER. RoHS:否 制造商:Silicon Labs 類(lèi)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 |
| MK1725GLF | 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 QUAD OUTPUT SPREAD SPECTRUM CLK GENER. RoHS:否 制造商:Silicon Labs 類(lèi)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 |
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