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CDCS503 Datasheet(PDF) 1 Page - Texas Instruments |
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CDCS503 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 9 page 1 FEATURES APPLICATIONS PACKAGE 1 8 2 7 3 6 4 5 CDCS503 IN SSC_SEL 0 SSC_SEL 1 GND V DD OE OUT FS BLOCK DIAGRAM GND OUT IN FS LVCMOS Control Logic OE LV CMOS VDD SSC_SEL 0 SSC_SEL 1 x1orx4 /SSC DESCRIPTION CDCS503 www.ti.com .................................................................................................................................................................................................. SCAS872 – MARCH 2009 Clock Buffer/Clock Multiplier With Optional SSC • Consumer and Industrial Applications • Part of a Family of Easy to use Clock requiring EMI reduction through Spread Generator Devices With Optional SSC Spectrum Clocking and/ or Clock • Clock Multiplier With Selectable Output Multiplication Frequency and Selectable SSC • SSC Controllable via 2 External Pins – ±0%, ±0.5%, ±1%, ±2% Center Spread • Frequency Multiplication Selectable Between x1 or x4 With One External Control Pin • Output Disable via Control Pin • Single 3.3V Device Power Supply • Wide Temperature Range –40°C to 85°C • Low Space Consumption by 8 Pin TSSOP Package The CDCS503 is a spread spectrum capable, LVCMOS Input Clock Buffer with selectable frequency multiplication. It shares major functionality with the CDCS502 but utilizes a LVCMOS input stage instead of the crystal input stage of the CDCS502. Also an Output Enable pin has been added to the CDCS503. The device accepts a 3.3V LVCMOS signal at the input. The input signal is processed by a PLL, whose output frequency is either equal to the input frequency or multiplied by the factor of 4. The PLL is also able to spread the clock signal by ±0%, ±0.5%, ±1% or ±2% centered around the output clock frequency with a triangular modulation. By this, the device can generate output frequencies between 8MHz and 108MHz with or without SSC. A separate control pin can be used to enable or disable the output. The CDCS503 operates in 3.3V environment. It is characterized for operation from –40°C to 85°C, and available in an 8-pin TSSOP package. 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Copyright © 2009, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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