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Z9972
3.3V, 125-MHz, Multi-Output Zero Delay Buffer
Features
• • • • • • • • • • • • Output frequency up to 125 MHz 12 clock outputs: frequency configurable 350 ps max output-to-output skew Configurable output disable Two reference clock inputs for dynamic toggling Oscillator or crystal reference input Spread Spectrum-compatible Glitch-free output clocks transitioning 3.3V power supply Pin-compatible with MPC972 Industrial temperature range: –40°C to +85°C 52-pin TQFP package Table 1. Frequency Table[1] VCO_SEL FB_SEL2 FB_SEL1 FB_SEL0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 FVCO 8x 12x 16x 20x 16x 24x 32x 40x 4x 6x 8x 10x 8x 12x 16x 20x
Note: 1.