MPC972FA Freescale Semiconductor, MPC972FA Datasheet
MPC972FA
Specifications of MPC972FA
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MPC972FA Summary of contents
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MOTOROLA SEMICONDUCTOR TECHNICAL DATA Low Voltage PLL Clock Driver The MPC972 is a 3.3 V compatible, PLL based clock driver device targeted for high performance CISC or RISC processor based systems. With output frequencies 125 MHz and ...
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MPC972 FUNCTION TABLE 1 fsela1 fsela0 Qa ÷ ÷ ÷ ÷ FUNCTION TABLE 2 *fselFB2 fselFB1 fselFB0 ...
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MOTOROLA ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ Figure 2. Logic Diagram MPC972 3 ...
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MPC972 ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ 4 1:1 Mode 2:1 Mode 3:1 Mode 3:2 Mode 4:1 Mode 4:3 Mode 6:1 Mode Figure 3. Timing Diagrams MOTOROLA ...
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ABSOLUTE MAXIMUM RATINGS* Symbol V Supply Voltage CC V Input Voltage I I Input Current IN T Storage Temperature Range Stor * Absolute maximum continuous ratings are those values beyond which damage to the device may occur. Exposure to these ...
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MPC972 AC CHARACTERISTICS (T = 0° to 70° Symbol Characteristic Output Rise/Fall Time Output Duty Cycle pw t SYNC to Feedback pd Propagation Delay t Output-to-Output Skew os f VCO Lock Range ...
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SYNC Output Description In situations where output frequency relationships are not integer multiples of each other there is a need for a signal for system synchronization purposes. The SYNC output of the MPC972 is designed to specifically address this need. ...
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MPC972 MPC972 Figure 6. Programming Configuration Example Figure 8. Generating MPC604 Clocks from Ethernet Clocks MPC972 Figure 9. Phase Delay Using Multiple MPC972’s 8 MPC972 Figure 7. Generating Pentium Clocks from Floppy Clock MPC972 MPC972 ° ° ° ° MOTOROLA ...
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Using the On–Board Crystal Oscillator The MPC972 features an on–board crystal oscillator to allow for seed clock generation as well as final distribution. The on–board oscillator is completely self contained so that the only external component required is the crystal. ...
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MPC972 MPC972. From the data sheet the I VCCA sourced through the V pin) is typically 15 mA (20 mA CCA maximum), assuming that a minimum of 2.935 V must be maintained on the V pin very little DC voltage ...
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Figure 12. Single versus Dual Waveforms Ω Ω Ω 7 Ω Ω Ω Ω Ω 25 Ω Ω Figure 13. Optimized Dual Line Termination SPICE level output buffer models are ...
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MPC972 VIEW Y 3X –L– –N– –H– –T– SEATING 4X PLANE C2 C1 VIEW AA 12 OUTLINE DIMENSIONS FA SUFFIX LQFP PACKAGE CASE 848D–03 ISSUE TIPS ...
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MOTOROLA NOTES MPC972 13 ...
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MPC972 14 NOTES MOTOROLA ...
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MOTOROLA NOTES MPC972 15 ...
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MPC972 Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out ...