5V49EE904NLGI集成电路（IC）的时钟发生器PLL频率合成器规格书PDF中文资料

特性 Features

• Four internal PLLs

• Internal non-volatile EEPROM

• Fast (400kHz) mode I2C serial interface

• Input frequency range: 1 MHz to 200 MHz

• Output frequency range: 4.9 kHz to 200 MHz

• Reference crystal input with programmable linear load

capacitance

– Crystal frequency range: 8 MHz to 50 MHz

• 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