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PDF MK2011 Data sheet ( Hoja de datos )
| Número de pieza | MK2011 | |
| Descripción | Fast Ethernet Clock Source | |
| Fabricantes | Integrated Circuit Systems | |
| Logotipo |  |
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I CR O C LOC K
MK2011
Fast Ethernet Clock Source
Description
The MK2011 is the ideal way to generate clocks
for Fast Ethernet cards or systems. It provides
20MHz, 25MHz, and 50MHz clocks. In an 8 pin
SOIC, the MK2011 can save component count,
board space, and cost over surface mount crystals
and oscillators, and increase reliability by
eliminating two or three mechanical devices from
the board.
MicroClock offers many other clocks for
computers and computer peripherals. Consult
MicroClock when you need to remove crystals and
oscillators from your board.
Features
• Packaged in 8 pin SOIC
• Input crystal or clock frequency of 20.00 MHz
• Lowest jitter in the industry reliably clocks
sensitive Ethernet devices.
• Output clock frequencies of 20.00 MHz,
25.00 MHz, and 50.00 MHz
• 25mA drive capability at TTL levels
• 3.3V or 5V±10% supply voltage
• Advanced, low power CMOS process
• Insensitive to input clock duty cycle
Block Diagram
VDD GND
20.00 MHz
xtal or clock
X1
X2
Crystal
Oscillator
PLL
Clock Synthesis
Circuitry
Output
Buffer
Output
Buffer
Output
Buffer
50 MHz
25 MHz
20 MHz
MDS 2011 B
1
Revision 120597
Printed 11/15/00
MicroClock Division of ICS•1271 Parkmoor Ave.•San Jose•CA•95126•(408)295-9800tel•(408)295-9818fax
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet MK2011.PDF ] | |
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