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| ML12013 MECL PLL Components Dual Modulus Prescaler Legacy Device: Motorola MC12013 This device is a two-modulus prescaler which will divide by 10 and 11. A MECL-to-MTTL translator is provided to interface directly with the MC12014 Counter Control Logic. In addition, there is a buffered clock input and MECL bias voltage source. * * * * * * * 550 MHz (/10/11) MECL to MTTL Translator on Chip MECL and MTTL Enable Inputs 5.0 or -5.2 V Operation* Buffered Clock Input -- Series Input RC Typ, 20 and 4.0 pF VBB Reference Voltage 310 Milliwatts (Typ) * When using a 5.0 V supply, apply 5.0 V to Pin 1 (VCCO), Pin 6 (MTTL VCC), Pin 16 (VCC), and ground Pin 8 (VEE). When using -5.2 V supply, ground Pin 1 (VCCO), Pin 6 (MTTL VCC), and Pin 16 (VCC) and apply -5.2 V to Pin 8 (VEE). If the translator is not required, Pin 6 may be left open to conserve DC power drain. Note: Lansdale lead free (Pb) product, as it becomes available, will be identified by a part number prefix change from ML to MLE. Page 1 of 15 www.lansdale.com Issue A ML12013 LANSDALE Semiconductor, Inc. Page 2 of 15 www.lansdale.com Issue A ML12013 LANSDALE Semiconductor, Inc. Figure 2b Generic block diagram showing prescaler connection to PLL Device Prescaler Fout Fin PLL ML145146 ML145158 ML145159 ML12013 MC in MC VCO Loop Filter Figure 2b shhows a generic block diagram of connecting a prescaler to a PLL device that supports dual modulus control. Application note An535 describes using a two-modulus prescaler technique by using prescaler higher frequencies can be achieved than by a single CMOS PLL device Page 3 of 15 www.lansdale.com Issue A ML12013 LANSDALE Semiconductor, Inc. Page 4 of 15 www.lansdale.com Issue A ML12013 LANSDALE Semiconductor, Inc. Page 5 of 15 www.lansdale.com Issue A ML12013 LANSDALE Semiconductor, Inc. Page 6 of 15 www.lansdale.com Issue A ML12013 LANSDALE Semiconductor, Inc. Page 7 of 15 www.lansdale.com Issue A ML12013 LANSDALE Semiconductor, Inc. Page 8 of 15 www.lansdale.com Issue A ML12013 LANSDALE Semiconductor, Inc. Page 9 of 15 www.lansdale.com Issue A ML12013 LANSDALE Semiconductor, Inc. Page 10 of 15 www.lansdale.com Issue A ML12013 LANSDALE Semiconductor, Inc. Page 11 of 15 www.lansdale.com Issue A ML12013 LANSDALE Semiconductor, Inc. Page 12 of 15 www.lansdale.com Issue A ML12013 LANSDALE Semiconductor, Inc. Page 13 of 15 www.lansdale.com Issue A ML12013 LANSDALE Semiconductor, Inc. Page 14 of 15 www.lansdale.com Issue A ML12013 LANSDALE Semiconductor, Inc. Lansdale Semiconductor reserves the right to make changes without further notice to any products herein to improve reliability, function or design. Lansdale does not assume any liability arising out of the application or use of any product or circuit described herein; neither does it convey any license under its patent rights nor the rights of others. "Typical" parameters which may be provided in Lansdale data sheets and/or specifications can vary in different applications, and actual performance may vary over time. All operating parameters, including "Typicals" must be validated for each customer application by the customer's technical experts. Lansdale Semiconductor is a registered trademark of Lansdale Semiconductor, Inc. Page 15 of 15 www.lansdale.com Issue A |
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