MFG CO.
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Micrel
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General Description
The SM802123 is a member of the ClockWorks™ family of devices from Micrel and provides an extremely low-noise timing solution. It is based upon a unique patented RotaryWave® architecture that provides very-low phase noise.
The device operates from a 2.5V or 3.3V power supply and synthesizes 16 LVCMOS output clocks, eight at 125MHz and eight at 25MHz. The SM802123 accepts a 25MHz LVCMOS reference input.
FEATUREs
• Generates eight LVCMOS output clocks at 125MHz and eight LVCMOS output clocks at 25MHz
• 2.5V or 3.3V operating range
• Typical phase jitter @ 125MHz (1.875MHz to 20MHz): 115fs
• Industrial temperature range
• Green, RoHS, and PFOS compliant
• Available in 44-pin 7mm × 7mm QFN package
APPLICATIONs
• Gigabit Ethernet – (GbE)
Part Name
Description
PDF
MFG CO.
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ClockWorks™ GbE Dual 125MHz Ultra-Low Jitter, LVPECL Frequency Synthesizer
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ClockWorks™ 10GbE & GbE (156.25MHz, 125MHz) Ultra-Low Jitter, LVPECL Frequency Synthesizer
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ClockWorks™ 125MHz LVDS / 125 MHz HCSL Ultra-Low Jitter Frequency Synthesizer
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200MHZ, LOW JITTER, LVPECL FREQUENCY SYNTHESIZER
Integrated Circuit Systems
255MHZ, LOW JITTER, LVPECL FREQUENCY SYNTHESIZER
Integrated Circuit Systems
PROGRAMMABLE FREQUENCY SYNTHESIZER (25MHz to 400MHz)
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PROGRAMMABLE FREQUENCY SYNTHESIZER (25MHz to 400MHz) ( Rev : 1998 )
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Flexible Ultra-Low Jitter Clock Synthesizer
Micrel