CY2545FC
CY2545FC Datasheet
CY2545 CY2547
| Part | Datasheet |
|---|---|
CY2545FC |
CY2545FC (pdf) |
| Related Parts | Information |
|---|---|
CY2545FCT |
CY2545FCT |
| PDF Datasheet Preview |
|---|
| CY2545 CY2547 Quad PLL Programmable Spread Spectrum Clock Generator with Serial I2C Interface • Four fully integrated phase locked loops PLLs • Input frequency range External crystal 8 to 48 MHz External reference 8 to 166 MHz clock • Wide operating output frequency range 3 to 166 MHz • Serial programmable over 2-wire I2C interface • Programmable spread spectrum with center and down spread option and Lexmark and Linear modulation profiles • VDD supply voltage options 2.5V, 3.0V, and 3.3V for CY2545 1.8V for CY2547 • Selectable output clock voltages independent of VDD supply 2.5V, 3.0V, and 3.3V for CY2545 1.8V for CY2547 • Power down, output enable, or frequency select features • Low jitter, high accuracy outputs • Ability to synthesize nonstandard frequencies with Fractional-N capability • Up to eight clock outputs with programmable drive strength • Glitch-free outputs while frequency switching • 24-pin QFN package • Commercial and industrial temperature ranges • Multiple high performance PLLs allow synthesis of unrelated frequencies • Nonvolatile programming for personalization of PLL frequencies, spread spectrum characteristics, drive strength, crystal load capacitance, and output frequencies • Application specific programmable EMI reduction using Spread Spectrum for clocks • Programmable PLLs for system frequency margin tests • Meets critical timing requirements in complex system designs • Suitability for PC, consumer, portable, and networking applications • Capable of Zero PPM frequency synthesis error • Uninterrupted system operation during clock frequency switch • Application compatibility in standard and low power systems Logic Block Diagram CLKIN/RST XIN/ EXCLKIN XOUT MUX and Control Logic PLL1 PLL2 PLL3 SS Crossbar Switch Bank Output 1 Dividers and Drive Bank 2 Strength Control Bank 3 Ordering Information Part Number[1] Pb-free Type VDD V CY2545Cxxx 24-pin QFN Supply voltage 2.5V, 3.0V or 3.3V CY2545CxxxT 24-pin QFN Tape & Reel Supply voltage 2.5V, 3.0V or 3.3V CY2547Cxxx 24-pin QFN Supply voltage 1.8V CY2547CxxxT 24-pin QFN Tape & Reel Supply voltage 1.8V CY2545Ixxx 24-pin QFN Supply voltage 2.5V, 3.0V or 3.3V CY2545IxxxT 24-pin QFN Tape & Reel Supply voltage 2.5V, 3.0V or 3.3V CY2547Ixxx 24-pin QFN Supply voltage 1.8V CY2547IxxxT 24-pin QFN Tape & Reel Supply voltage 1.8V Production Flow Commercial, 0°C to 70°C Commercial, 0°C to 70°C Commercial, 0°C to 70°C Commercial, 0°C to 70°C Industrial, to 85°C Industrial, to 85°C Industrial, to 85°C Industrial, to 85°C Note xxx indicates Factory Programmable and are factory programmed configurations. For more details, contact your local Cypress FAE or Cypress Sales Representative. Page 13 of 15 [+] Feedback CY2545 CY2547 Package Drawing and Dimensions Figure 24-LD QFN 4x4 mm Subcon Punch Type Pkg with 2.49x2.49 EPAD LF24A/LY24A TOP VIEW SIDE VIEW MAX. MAX. C MAX. REF. BOTTOM VIEW SOLDERABLE EXPOSED PAD PIN1 ID R. 0°-12° C HATCH IS SOLDERABLE EXPOSED METAL. |
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