
Motorola => Freescale
3.3V 1:12 LVCMOS PLL Clock Generator
The MPC9772 is a 3.3V compatible, 1:12 PLL based clock generator targeted for high performance low-skew clock distribution in mid-range to high-performance networking, computing and telecom applications. With output frequencies up to 240 MHz and output skews less than 250 ps the device meets the needs of the most demanding clock applications.
FEATUREs
• 1:12 PLL based low-voltage clock generator
• 3.3V power supply
• Internal power-on reset
• Generates clock signals up to 240 MHz
• Maximum output skew of 250 ps
• On-chip crystal oscillator clock reference
• Two LVCMOS PLL reference clock inputs
• External PLL feedback supports zero-delay capability
• Various feedback and output dividers (see application section)
• Supports up to three individual generated output clock frequencies
• Synchronous output clock stop circuitry for each individual output for power down support
• Drives up to 24 clock lines
• Ambient temperature range –40°C to +85°C
• Pin and function compatible to the MPC972