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PDF ( 数据手册 , 数据表 ) MK1574

零件编号 MK1574
描述 Frame Rate Communications PLL
制造商 Integrated Circuit Systems
LOGO Integrated Circuit Systems LOGO 


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MK1574 数据手册, 描述, 功能
I CR O C LOC K
MK1574
Frame Rate Communications PLL
Description
The MK1574-01 is a Phase-Locked Loop (PLL)
based clock synthesizer, which accepts an 8 kHz
clock input as a reference, and generates many
popular communications frequencies. All outputs
are frequency locked together and to the input.
This allows for the generation of locked clocks to
the 8 kHz backplane clock, simplifying clock
generation and distribution in communications
systems.
MicroClock can customize this device for any
other different frequencies.
Features
• Packaged in 16 pin narrow (150 mil) SOIC
• Exact multiplications stored in the device eliminate
the need for external dividers
• Accepts 8 kHz input clock
• Output clock rates include T1, E1, T2, E2
• 3.0V to 5.5V operation
• Available in commercial (0 to +70 C) or industrial
(-40 to +85 C) temperature ranges
• For jitter attenuation, use the MK2049
Block Diagram
VDD GND
22
FS0-3
4
8kHz
Input Clock
Input
Buffer
PLL
Clock
Synthesis
and
Control
Circuitry
Output
Buffer
Output
Buffer
Output
Buffer
Output
Buffer
CAP1
CAP2
CLK1
CLK2
CLK3
8kHz
(recovered)
MDS 1574-01 D
1
Revision 011999
Printed 11/15/00
MicroClock Division of ICS • 525 Race Street • San Jose • CA • 95126•(408)295-9800tel•(408)295-9818fax












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