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Home » NEWEST Products » New by Manufacturer » Integrated Device Technology (IDT) » IDT5V49EE902 EEPROM Programmable Clock Generator - IDT
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Integrated Device Technology IDT5V49EE902 EEPROM Programmable Clock Generator

Integrated Device Technology IDT5V49EE902 EEPROM Programmable Clock Generator

Integrated Device Technology's IDT5V49EE902 EEPROM Programmable Clock Generator is intended for high performance data-communications, telecommunications, consumer, and networking applications. There are four internal PLLs, each individually programmable, allowing for four unique non-integer-related frequencies. The frequencies are generated from a single reference clock. The reference clock can come from one of the two redundant clock inputs. Automatic or manual switchover function allows any one of the redundant clocks to be selected during normal operation. The IDT5V49EE902 is in-system, programmable and can be programmed through the use of I2C interface. An internal EEPROM allows the user to save and restore the configuration of the device without having to reprogram it on power-up.

Features
  • Four internal PLLs
  • Internal non-volatile EEPROM
  • Fast (400kHz) mode I2C serial interface
  • Input frequency range: 1MHz to 200MHz
  • Output frequency range: 4.9kHz to 500MHz
  • Reference crystal input with programmable linear load capacitance
    • Crystal frequency range: 8MHz to 50MHz
  • Four independently controlled VDDO (1.8V - 3.3V)
  • Each PLL has a 7-bit reference divider and a 12-bit feedback-divider
  • 8-bit output-divider blocks
  • Fractional division capability on one PLL
  • Two of the PLLs support spread spectrum generation capability
  • I/O Standards:
    • Outputs - 1.8 - 3.3V LVTTL/ LVCMOS
    • Outputs - LVPECL, LVDS and HCSL
    • Inputs - 3.3V LVTTL/ LVCMOS

  • Programmable slew rate control
  • Programmable loop bandwidth
  • Programmable output inversion to reduce bimodal jitter
  • Redundant clock inputs with auto and manual switchover options
  • Individual output enable/disable
  • Power-down mode
  • 3.3V core VDD
  • Available in VFQFPN package
  • -40 to +85C Industrial Temp operation

  • Applications
    • Data-Communications
    • Telecommunications
    • Consumer
    • Networking

Block Diagram
Block Diagram
  • Integrated Device Technology (IDT)