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CDCEL824 - Texas Instruments

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CDCEL824 Programmable 2-PLL Clock Synthesizer

The CDCEL824 is a modular PLL-based low-cost, high-performance, programmable clock synthesizer, multiplier, and divider. It generates up to four output clocks from a single input frequency. Each output can be programmed in-system for any clock frequency up to 201 MHz, using up to two independent configurable PLLs. The CDCEL824 has a separate output supply pi.

Features


•1 Flexible Clock Driver
  – Three User-Definable Control Inputs [S0/S1/S2]: for example, Frequency Switching, Output Enable, or Power Down
  – Enables 0-PPM Clock Generation
• In-System Programmability and EEPROM
  – Serial Programmable Volatile Register
  – Nonvolatile EEPROM to Store Customer Settings
• Flexible Input Clocking Concept
  – External Crystal: 20 MHz to 30 MHz
  – Single-Ended LVCMOS up to 130 MHz
• Selectable Output Frequency up to 201 MHz
• Low-Noise PLL Core
  – PLL Loop Filter Components Integrated
  – Low Period Jitter (Typical 80 ps)
• 1.8-V Device Power Supply
• Temperature Range
  –40°C .

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