MPC9447AC Freescale Semiconductor, MPC9447AC Datasheet
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MPC9447AC
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MPC9447AC Summary of contents
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... Freescale Semiconductor, Inc. SEMICONDUCTOR TECHNICAL DATA 3.3V/2.5V 1:9 LVCMOS Clock Fanout Buffer The MPC9447 is a 3.3V or 2.5V compatible, 1:9 clock fanout buffer targeted for high performance clock tree applications. With output frequencies up to 350 MHz and output skews less than 150 ps, the device meets the needs of most demanding clock applications ...
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... Freescale Semiconductor, Inc. MPC9447 CCLK0 0 CLK STOP CCLK1 CLK_SEL V CC SYNC CLK_STOP V CC (all input resistors have a value of 25kΩ) OE Figure 1. Logic Diagram Table 1. Function Table Control Default CLK_SEL CLK_STOP will high--impedance tristate all outputs independent on CLK_STOP Table 2. Pin Configuration ...
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... Freescale Semiconductor, Inc. Table 4. Absolute Maximum Ratings Symbol Characteristics V Supply Voltage Input Voltage Output Voltage OUT I DC Input Current Output Current OUT T Storage temperature S a. Absolute maximum continuous ratings are those maximum values beyond which damage to the device may occur. Exposure to these conditions or conditions beyond those indicated may adversely affect device reliability ...
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... Freescale Semiconductor, Inc. MPC9447 Table 7. DC Characteristics (V = 2.5V ± 5 Symbol Characteristics V Input High Voltage IH V Input Low Voltage IL V Output High Voltage OH V Output Low Voltage OL Z Output Impedance OUT b I Input Current IN I Maximum Quiescent Supply Current CCQ a. The MPC9447 is capable of driving 50Ω transmission lines on the incident edge. Each output drives one 50Ω parallel terminated ...
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... Freescale Semiconductor, Inc. Figure 3. Output Clock Stop (CLK_STOP) Timing Diagram CCLK0 or CCLK1 CLK_STOP Driving Transmission Lines The MPC9447 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. With an output impedance of 17Ω ...
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... Freescale Semiconductor, Inc. MPC9447 are reduced such that when the parallel combination is added to the output buffer impedance the line impedance is perfectly matched. MPC9447 OUTPUT 16Ω O BUFFER S 17Ω 16Ω 17Ω + 16Ω k 16Ω = 50Ω k 50Ω 25Ω = 25Ω Figure 6. Optimized Dual Line Termination ...
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... Freescale Semiconductor, Inc. CCLK Q X Figure 8. Propagation Delay (t t SK(LH) The pin--to--pin skew is defined as the worst case difference in propagation delay between any similar delay path within a single device Figure 9. Output- -to- -Output Skew 100%) P 0 The time from the output controlled edge to the non--controlled ...
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... Freescale Semiconductor, Inc. MPC9447 D1 D1/2 PIN 1 INDEX E1 D 0.20 C A-- 28X SEATING PLANE C DETAIL θ (S) A1 (L1) DETAIL AD MOTOROLA OUTLINE DIMENSIONS FA SUFFIX LQFP PACKAGE CASE 873A--03 ISSUE B 4X 0.20 H A-- DETAIL G E 32X 0.1 C BASE PLATING METAL 0.20 C A-- SECTION 0.25 GAUGE PLANE L θ ...
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... Freescale Semiconductor, Inc. TIMING SOLUTIONS NOTES 9 For More Information On This Product, Go to: www.freescale.com MPC9447 MOTOROLA ...
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... Freescale Semiconductor, Inc. MPC9447 MOTOROLA NOTES 10 For More Information On This Product, Go to: www.freescale.com TIMING SOLUTIONS ...
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... Freescale Semiconductor, Inc. TIMING SOLUTIONS NOTES 11 For More Information On This Product, Go to: www.freescale.com MPC9447 MOTOROLA ...
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... Freescale Semiconductor, Inc. MPC9447 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 the information in this document. 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 of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. “ ...