参数资料
型号: MK1709STR
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 时钟及定时
英文描述: 1709 SERIES, PLL BASED CLOCK DRIVER, 1 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO8
封装: 0.150 INCH, SOIC-8
文件页数: 1/9页
文件大小: 214K
代理商: MK1709STR
DATASHEET
LOW EMI CLOCK GENERATOR
MK1709
IDT / ICS LOW EMI CLOCK GENERATOR
1
MK1709
REV J 073109
Description
The MK1709 generates a low EMI output clock from a clock
input. The part is designed to dither the LCD interface clock
for flat panel graphics controllers. The device uses IDT’s
proprietary mix of analog and digital Phase Locked Loop
(PLL) technology to spread the frequency spectrum of the
output, thereby reducing the frequency amplitude peaks by
several dB.
The MK1709 offers centered spread from a high speed
clock input. Refer to the MK1714-01/02 for a crystal input
and the widest selection of input frequencies and
multipliers.
IDT offers many other clocks for computers and computer
peripherals. Consult us when you need to remove crystals
and oscillators from your board.
Features
Packaged in 8-pin SOIC (MK1709S) and in 8-pin TSSOP
(MK1709AG)
Available in lead (Pb) free package
Provides a spread spectrum output clock
Supports flat panel controllers
Guaranteed to +85° C operation
Accepts a clock input, provides same frequency dithered
output
Good for all VGA modes from 40 to 167 MHz
Peak reduction by 7dB - 14dB typical on 3rd - 19th odd
harmonics
Low EMI feature can be disabled
Includes power-down
Operating voltage of 3.3 V
Advanced, low-power CMOS process
Block Diagram
PLL Clock
Synthesis
and Spread
Spectrum
Circuitry
ICLK
Input
Buffer
S0
Low EMI Enable
Clock Out
GND
VDD
S1
S2
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