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PDF K170 Data sheet ( Hoja de datos )
| Número de pieza | K170 | |
| Descripción | Low EMI Clock Generator | |
| Fabricantes | Integrated Circuit Systems | |
| Logotipo |  |
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1. K170  Hay una vista previa y un enlace de descarga de K170 (archivo pdf) en la parte inferior de esta página. Total 4 Páginas | ||
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I CR O C LOC K
MK1704A
Low EMI Clock Generator
Description
The MK1704A is an upgraded version of the
MK1704 and is recommended for all new designs.
It offers more reduction in the frequency
amplitude peaks, and will support frequencies up
to 140 MHz.
The MK1704A generates a low EMI output clock
from a clock input. The part is designed to dither
the LCD interface clock or other clocks for flat
panel graphics controllers. The MK1704A uses
ICS/MicroClock’s proprietary mixture of analog
and digital Phase-Locked Loop (PLL) technology
to synthesize the frequency, and our patented
technique to spread the frequency spectrum of the
output, thereby reducing the frequency amplitude
peaks by several dB.
We offer 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
• Provides a spread spectrum output clock
• Supports leading flat panel controllers
• Accepts a clock input, provides same frequency
dithered output
• Optimized for higher resolutions that require up
to 140 MHz, as well as 40 MHz (SVGA) and
65 MHz (XVGA) clocks
• Peak reduction by 7dB - 14 dB typical on 3rd-
19th odd harmonics
• Low EMI feature can be disabled
• 3.3 V or 5 V ±10% supply voltage
• Advanced, low power CMOS process
• See the MK1714-01 for a multiplier with low
EMI which can operate from a crystal
Block Diagram
S0
S1
Low EMI
Enable
Input Clock
VDD GND
Crystal
Oscillator
PLL Clock
Synthesis and
Spread Spectrum
Circuitry
Output
Buffer
Clock Out
MDS 1704A B
1
Revision 062599
Printed 11/15/00
MicroClock Division of ICS • 525 Race Street • San Jose • CA • 95126•(408)295-9800tel•(408)295-9818fax
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet K170.PDF ] | |
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