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CY26580
PacketClock™ Network Applications Clock
Features
■ Integrated phase-locked loop (PLL) ■ Low-jitter, high-accuracy outputs ■ 3.3V operation
Benefits
■ Internal PLL with precision operation ■ Meets critical timing requirements in complex system designs ■ Enables application compatibility
Table 1. Frequency Table
Part Number Outputs
CY26580-1
2
Input Frequency 125MHz or 25-MHz driven
Output Frequencies 100 MHz, 133.33 MHz
Logic Block Diagram
CLK OSC.
QΦ
VCO
P
PLL
OUTPUT MULTIPLEXER
AND DIVIDERS
SEL_25 SEL_CLK
Table 2. Input Select Options
SEL_25 X 0 1
SEL_CLK 0 1 1
VDD VDD GND GND
Input Type
Driven Driven
Input Frequency
CLK1
Do not use
125 133.33
25 133.33
133.