CDCE949PW

To mitigate electromagnetic interference, the CDCE949PW supports Spread-Spectrum Clocking with both Center-Spread and Down-Spread options. This feature, coupled with automatic adjustment of loop-filter components for stability and jitter optimization, ensures reliable clock signal generation in diverse environments

Key Features

• Member of Programmable Clock Generator Family
  • CDCEx913: 1 PLLs, 3 Outputs
  • CDCEx925: 2 PLLs, 5 Outputs
  • CDCEx937: 3 PLLs, 7 Outputs
  • CDCEx949: 4 PLLs, 9 Outputs
• In-System Programmability and EEPROM
  • Serial Programmable Volatile Register
  • Nonvolatile EEPROM to Store Customer Settings
• Flexible Input Clocking Concept
  • External Crystal: 8 to 32 MHz
  • On-Chip VCXO: Pull-Range ±150 ppm
  • Single-Ended LVCMOS Up to 160 MHz
• Free Selectable Output Frequency Up to 230 MHz
• Low-Noise PLL Core
  • PLL Loop Filter Components Integrated
  • Low Period Jitter (Typical 60 ps)
• Separate Output Supply Pins
  • CDCE949: 3.3 V and 2.5 V
  • CDCEL949: 1.8 V
• Flexible Clock Driver
  • Three User-Definable Control Inputs [S0/S1/S2], for Example, SSC Selection, Frequency Switching, Output Enable or Power Down
  • Generates Highly Accurate Clocks for Video, Audio, USB, IEEE1394, RFID, Bluetooth^®, WLAN, Ethernet™, and GPS
  • Generates Common Clock Frequencies Used With TI-DaVinci™, OMAP™, DSPs
  • Programmable SSC Modulation
  • Enables 0-PPM Clock Generation
• 1.8-V Device Core Supply
• Wide Temperature Range: –40°C to 85°C
• Packaged in TSSOP
• Development and Programming Kit for Easy PLL Design and Programming (TI Pro-Clock™)