MPC9774AE Freescale Semiconductor, MPC9774AE Datasheet
MPC9774AE
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MPC9774AE Summary of contents
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MOTOROLA SEMICONDUCTOR TECHNICAL DATA 3.3V 1:14 LVCMOS PLL Clock Generator The MPC9774 is a 3.3V compatible, 1:14 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 ...
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MPC9774 All input resistors have a value of 25k V CC CCLK0 0 Ref CCLK1 1 CCLK_SEL PLL 200-500 MHz V CC FB_IN FB PLL_EN VCO_SEL FSEL_A FSEL_B FSEL_C 2 FSEL_FB[1: CLK_STOP V CC MR/OE Figure 2. MPC9774 ...
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Table 1. PIN CONFIGURATION Pin I/O Type CCLK0 Input LVCMOS PLL reference clock CCLK1 Input LVCMOS Alternative PLL reference clock FB_IN Input LVCMOS PLL feedback signal input, connect to QFB CCLK_SEL Input LVCMOS LVCMOS clock reference select VCO_SEL Input LVCMOS ...
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MPC9774 Table 4. Function Table (QFB) VCO_SEL FSEL_B1 FSEL_B0 Table 5. General Specifications Symbol Characteristics V ...
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T Table 8. AC Characteristics (V CC Symbol Characteristics f Input Reference Frequency REF Input Reference Frequency in PLL Bypass Mode c f VCO Frequency Range VCO f Output Frequency MAX d t Input Reference Pulse ...
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MPC9774 MPC9774 Configurations Configuring the MPC9774 amounts to properly configuring the internal dividers to produce the desired output frequencies. The output frequency can be represented by this formula: ⋅ ÷ ÷ ÷ where f is the reference frequency of the ...
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Using the MPC9774 in zero-delay applications Nested clock trees are typical applications for the MPC9774. Designs using the MPC9774 as LVCMOS PLL fanout buffer with zero insertion delay will show significantly lower clock skew than clock distributions developed from CMOS ...
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MPC9774 Driving Transmission Lines The MPC9774 clock driver was designed to drive high speed signals in a terminated transmission line environment. To provide the optimum flexibility to the user the output drivers were designed to exhibit the lowest impedance possible. ...
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Power Supply Filtering The MPC9774 is a mixed analog/digital product. Its analog circuitry is naturally susceptible to random noise, especially if this noise is seen on the power supply pins. Random noise on the VCC_PLL power supply impacts the device ...
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MPC9774 Figure 13. Output–to–output Skew 100 Figure 15. Output Duty Cycle (DC JIT(CC) Figure 17. Cycle–to–cycle Jitter Figure 19. Output Transition Time Test Reference MOTOROLA B B Figure 14. Propagation ...
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VIEW Y 3X –L– –N– –H– –T– q3 SEATING 4X PLANE VIEW AA Z TIMING SOLUTIONS OUTLINE DIMENSIONS FA SUFFIX 52 ...
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MPC9774 Information in this document is provided solely to enable system and software implementers to use Motorola products. There are no express or implied copyright licenses granted hereunder to design or fabricate any integrated circuits or integrated circuits based on ...