DATASHEET MK2703B PLL AUDIO CLOCK SYNTHESIZER Description Features The MK2703B is a low-cost, low-jitter, high performance PLL clock synthesizer designed to replace oscillators and PLL circuits in set-top box and multimedia systems. Using ICS' patented analog Phase Locked Loop (PLL) techniques, the device uses a 27 MHz crystal or clock input to produce a buffered reference clock and a selectable audio clock. * * * * * * * * ICS manufactures the largest variety of Set-Top Box and multimedia clock synthesizers for all applications. Consult ICS to eliminate VCXOs, crystals and oscillators from your board. Packaged in 8-pin SOIC Available in RoHS compliant package Uses an inexpensive, fundamental mode crystal or clock Patented zero ppm synthesis error in all clocks All frequencies are frequency locked Advanced, low power, sub-micron CMOS process Operating voltage of 3.3 V or 5 V Industrial temperature version available Block Diagram VDD PLL Clock Synthesis and Control Circuitry S1:0 2 Audio Clock X1 27 MHz crystal or clock input Crystal Oscillator 27M X2 Capacitors are required for crystal tuning IDTTM / ICSTM PLL AUDIO CLOCK SYNTHESIZER GND 1 MK2703B REV D 042606 MK2703B PLL AUDIO CLOCK SYNTHESIZER CLOCK SYNTHESIZER Pin Assignment AUDIO CLOCK OUTPUT SELECT TABLE S1 S0 CLK (MHz) X1 1 8 X2 0 0 8.192 VDD 2 7 S0 0 1 11.2896 GND 3 6 S1 1 0 12.288 27M 4 5 CLK 1 1 24.576 Key: 0 = Connect pin directly to ground 8-pin (150 mil) SOIC 1 = Connect pin directly to VDD Pin Descriptions Pin Pin Number Name Pin Type Pin Description 1 X1 XI Crystal Connection. Connect to a 27 MHz fundamental crystal or clock. 2 VDD Power Connect to +3.3 V or +5 V. 3 GND Power Connect to ground. 4 27M Output 27 MHz buffered reference clock output. 5 CLK Output Audio clock output per table above. 6 S1 Input Audio clock frequency select input #1. Determines CLK output per table above. Internal pull-up resistor. 7 S0 Input Audio clock frequency select input #0. Determines CLK output per table above. Internal pull-up resistor. 8 X2 XO Crystal connection to a 27 MHz crystal, or leave unconnected for clock output. External Components Decoupling Capacitor Series Termination Resistor As with any high-performance mixed-signal IC, the MK2703B must be isolated from system power supply noise to perform optimally. A 33 terminating resistor can be used next to the clock outputs for trace lengths over one inch. Crystal Load Capacitors A decoupling capacitor of 0.01F must be connected between VDD and GND on pins 2 and 3. It must be connected close to the MK2703B to minimize lead inductance. No external power supply filtering is required for the MK2703B. IDTTM / ICSTM PLL AUDIO CLOCK SYNTHESIZER The total on-chip capacitance is approximately 16 pF. A parallel resonant, fundamental mode, AT cut 27 MHz crystal should be used. The device crystal connections should include pads for small capacitors from X1 to ground and from X2 to ground. These capacitors are used to adjust the 2 MK2703B REV D 042606 MK2703B PLL AUDIO CLOCK SYNTHESIZER CLOCK SYNTHESIZER connected from each of the pins X1 and X2 to ground. stray capacitance of the board to match the nominally required crystal load capacitance. Because load capacitance can only be increased in this trimming process, it is important to keep stray capacitance to a minimum by using very short PCB traces (and no vias) between the crystal and device. Crystal capacitors, if needed, must be The value (in pF) of these crystal caps should equal (CL -16 pF)*2. In this equation, CL= crystal load capacitance in pF. Example: For a crystal with an 18 pF load capacitance, each crystal capacitor would be 4 pF [(18-16) x 2] = 4. Absolute Maximum Ratings Stresses above the ratings listed below can cause permanent damage to the MK2703B. These ratings, which are standard values for ICS commercially rated parts, are stress ratings only. Functional operation of the device at these or any other conditions above those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods can affect product reliability. Electrical parameters are guaranteed only over the recommended operating temperature range. Item Rating Supply Voltage, VDD -0.5 V to 7 V All Inputs and Outputs -0.5 V to VDD+0.5 V Ambient Operating Temperature, MK2703BS (commercial) 0 to +70C Ambient Operating Temperature, MK2703BSI (industrial) -40 to +85C Storage Temperature -65 to +150C Soldering Temperature 260C Recommended Operation Conditions Parameter Min. Max. Units -40 +85 C +3.13 +5.50 V Ambient Operating Temperature Power Supply Voltage (measured in respect to GND) Typ. DC Electrical Characteristics VDD=3.3 V 5% , Ambient temperature -40 to +85C, unless stated otherwise Parameter Symbol Conditions Operating Voltage VDD Input High Voltage VIH X1 pin only Note 1 Input Low Voltage VIL X1 pin only Note 1 Input High Voltage VIH S0, S1 pins Input Low Voltage VIL S0, S1 pins Output High Voltage VOH IOH = -12 mA IDTTM / ICSTM PLL AUDIO CLOCK SYNTHESIZER Min. Typ. 3.13 3 Max. Units 5.50 V (VDD/2)+1 VDD/2 V VDD/2 (VDD/2)-1 2.0 V V 0.8 2.4 V V MK2703B REV D 042606 MK2703B PLL AUDIO CLOCK SYNTHESIZER Parameter CLOCK SYNTHESIZER Symbol Conditions Min. Typ. Max. Units 0.4 V Output Low Voltage VOL IOL = 12 mA Output High Voltage, CMOS level VOH IOH = -4 mA Operating Supply Current IDD No load VDD = 3.3 V 10 mA CLK output 50 mA S0, S1 pins 5 pF 20 Short Circuit Current Input Capacitance CIN VDD-0.4 Nominal Output Impedance Frequency Synthesis Error Internal Pull-Up Resistor V All Clocks RPUP 0 S1, S0 pins ppm 750 k Note 1: CMOS level input. Nominal trigger point is VDD/2 for 3.3 V or 5 V operation AC Electrical Characteristics VDD = 3.3 V 5%, Ambient Temperature -40 to +85 C, unless stated otherwise Parameter Symbol Conditions Min. Typ. Max. Units Input Crystal or Clock Frequency FIN Output Clock Rise Time tOR 0.8 to 2.0 V, Note 1 0.7 1.5 ns Output Clock Fall Time tOF 2.0 to 8.0 V, Note 1 0.7 1.5 ns Clock Stabilization Time After Power Up 10 ms Changing Frequency Setting 10 ms 60 % Output Clock Duty Cycle Maximum Absolute Jitter, short term 27 at VDD/2, Note 1 tja 40 Deviation from mean MHz 150 ps Note 1: Measured with 15 pF load. Thermal Characteristics Parameter Thermal Resistance Junction to Ambient Thermal Resistance Junction to Case IDTTM / ICSTM PLL AUDIO CLOCK SYNTHESIZER Symbol Conditions Min. Typ. Max. Units JA Still air 150 C/W JA 1 m/s air flow 140 C/W JA 3 m/s air flow 120 C/W 40 C/W JC 4 MK2703B REV D 042606 MK2703B PLL AUDIO CLOCK SYNTHESIZER CLOCK SYNTHESIZER Marking Diagram - MK2703BS 8 Marking Diagram - MK2703BSI 8 5 MK2703BI ###### YYWW MK2703B ###### YYWW 1 1 4 8 5 5 2703BIL ###### YYWW MK2703BL ###### YYWW 1 4 Marking Diagram - MK2703BSILF Marking Diagram - MK2703BSLF 8 5 1 4 4 Notes: 1. ###### is the lot number. 2. YYWW is the last two digits of the year and the week number that the part was assembled. 3. "L" or "LF" denotes Pb (lead) free packaging. 4. "I" denotes industrial temperature range. 5. Bottom marking: (origin). Origin = country of origin if not USA. IDTTM / ICSTM PLL AUDIO CLOCK SYNTHESIZER 5 MK2703B REV D 042606 MK2703B PLL AUDIO CLOCK SYNTHESIZER CLOCK SYNTHESIZER Package Outline and Package Dimensions (8-pin SOIC, 150 Mil. Narrow Body) Package dimensions are kept current with JEDEC Publication No. 95 Millimeters 8 Symbol E A A1 B C D E e H h L H INDEX AREA 1 2 D Min Max 1.35 1.75 0.10 0.25 0.33 0.51 0.19 0.25 4.80 5.00 3.80 4.00 1.27 BASIC 5.80 6.20 0.25 0.50 0.40 1.27 0 8 Inches* Min Max .0532 .0688 .0040 .0098 .013 .020 .0075 .0098 .1890 .1968 .1497 .1574 0.050 BASIC .2284 .2440 .010 .020 .016 .050 0 8 *For reference only. Controlling dimensions in mm. A h x 45 A1 C -Ce B SEATING PLANE L .10 (.004) C Ordering Information Part / Order Number Marking Shipping Packaging Package Temperature MK2703BS MK2703BSTR MK2703BSI MK2703BSITR MK2703BSLF MK2703BSLFTR MK2703BSILF MK2703BSILFTR see page 5 Tubes Tape and Reel Tubes Tape and Reel Tubes Tape and Reel Tubes Tape and Reel 8-pin SOIC 8-pin SOIC 8-pin SOIC 8-pin SOIC 8-pin SOIC 8-pin SOIC 8-pin SOIC 8-pin SOIC 0 to +70 C 0 to +70 C -40 to +85 C -40 to +85 C 0 to +70 C 0 to +70 C -40 to +85 C -40 to +85 C Parts that are ordered with a "LF" suffix to the part number are the Pb-Free configuration and are RoHS compliant. While the information presented herein has been checked for both accuracy and reliability, Integrated Circuit Systems (ICS) assumes no responsibility for either its use or for the infringement of any patents or other rights of third parties, which would result from its use. No other circuits, patents, or licenses are implied. This product is intended for use in normal commercial applications. Any other applications such as those requiring extended temperature range, high reliability, or other extraordinary environmental requirements are not recommended without additional processing by ICS. ICS reserves the right to change any circuitry or specifications without notice. ICS does not authorize or warrant any ICS product for use in life support devices or critical medical instruments. IDTTM / ICSTM PLL AUDIO CLOCK SYNTHESIZER 6 MK2703B REV D 042606 MK2703B PLL AUDIO CLOCK SYNTHESIZER CLOCK SYNTHESIZER Innovate with IDT and accelerate your future networks. Contact: www.IDT.com For Sales For Tech Support 800-345-7015 408-284-8200 Fax: 408-284-2775 <product line email> <product line phone> Corporate Headquarters Asia Pacific and Japan Europe Integrated Device Technology, Inc. 6024 Silver Creek Valley Road San Jose, CA 95138 United States 800 345 7015 +408 284 8200 (outside U.S.) Integrated Device Technology Singapore (1997) Pte. Ltd. Reg. No. 199707558G 435 Orchard Road #20-03 Wisma Atria Singapore 238877 +65 6 887 5505 IDT Europe, Limited Prime House Barnett Wood Lane Leatherhead, Surrey United Kingdom KT22 7DE +44 1372 363 339 (c) 2006 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice. IDT and the IDT logo are trademarks of Integrated Device Technology, Inc. Accelerated Thinking is a service mark of Integrated Device Technology, Inc. All other brands, product names and marks are or may be trademarks or registered trademarks used to identify products or services of their respective owners. Printed in USA