參數(shù)資料
型號(hào): MK5818SLFTR
廠商: IDT, Integrated Device Technology Inc
文件頁(yè)數(shù): 1/8頁(yè)
文件大小: 0K
描述: IC CLK GEN SPREAD SPECTRUM 8SOIC
標(biāo)準(zhǔn)包裝: 2,500
類型: 時(shí)鐘發(fā)生器
PLL:
輸入: 時(shí)鐘,晶體
輸出: LVCMOS
電路數(shù): 1
比率 - 輸入:輸出: 2:2
差分 - 輸入:輸出: 無(wú)/無(wú)
頻率 - 最大: 16MHz
除法器/乘法器: 是/無(wú)
電源電壓: 2.97 V ~ 3.63 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SOIC
包裝: 帶卷 (TR)
PRELIMINARY DATASHEET
SPREAD SPECTRUM CLOCK GENERATOR
MK5818
IDT SPREAD SPECTRUM CLOCK GENERATOR
1
MK5818
REV C 051310
Description
The MK5818 generates a low EMI output clock and a
reference clock from a clock or crystal input. The part is
designed to lower EMI through the application of spreading
a clock. Using IDT’ proprietary mix of analog and digital
Phase Locked Loop (PLL) technology, the device spreads
the frequency spectrum of the output, reducing the
frequency amplitude peaks by several dB depending on
spread range. The MK5818 offers a range of down spread
from a high speed clock or crystal input. The MK5818
generates one modulated (SSCLK) and unmodulated
(REFCLK) clock and is compatible with Cypress CY25818.
The modulated clock is controlled by the select pin, and the
unmodulated clock has the same frequency as the input
clock or crystal.
Features
Packaged in 8-pin SOIC
Input frequency range 8 to 16 MHz
Provides modulated and unmodulated clocks
Accepts a clock or crystal input
Provides down spread modulation
Provides power down function
Reduce electromagnetic interference (EMI) by
8 to 16 db
Operating voltage of 3.3 V
Advanced, low-power CMOS process
Pb (lead) free package, RoHS compliant
Block Diagram
PLL Clock
Synthesis and
Spread
Spectrum
Circuitry
S0
GND
Clock Buffer/
Crystal
Ocsillator
X1/ICLK
X2
External caps required
for with crystal for
accurate tuning of the
clock
SSCLK
REFCLK
VDD
PD
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