鈥?/div>
鈥?1.8V for CY2546
Frequency Select feature with option to select eight different
frequencies
Low jitter, high accuracy outputs
Up to nine clock outputs
Programmable output drive strength
Glitch-free outputs while frequency switching
24-pin QFN package
Commercial and Industrial temperature ranges
Benefits
鈥?Multiple high-performance PLLs allow synthesis of
unrelated frequencies
鈥?Nonvolatile programming for customized PLL frequencies,
spread spectrum characteristics, drive strength, crystal load
capacitance, and output frequencies
鈥?Two Spread Spectrum capable PLLs with Linear or Lexmark
profile for maximum EMI reduction
鈥?Spread Spectrum PLLs can be disabled or enabled
separately
鈥?PLLs can be programmed for system frequency margin
tests
鈥?Meets critical timing requirements in complex system
designs
鈥?Suitable for PC, consumer, and networking applications
鈥?Ability to synthesize standard frequencies with ease
鈥?Application compatibility in standard and low-power
systems
Block Diagram
EXCLKIN
4 of 6
Crossbar
Switch
XIN
XOUT
OSC
PLL1
Output
Dividers
and
Bank
2
CLK1
Bank
1
CLK2
CLK3
CLK4
CLK5
CLK6
CLK7
FS0
FS1
FS2
MUX
and
Control
Logic
PLL2
Drive
Strength
Control
Bank
3
CLK8
CLK9
PLL3
(SS)
PLL4
(SS)
SSON
PD#/OE
Cypress Semiconductor Corporation
Document #: 001-12563 Rev. *A
鈥?/div>
198 Champion Court
鈥?/div>
San Jose
,
CA 95134-1709
鈥?/div>
408-943-2600
Revised February 28, 2007
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