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| MK2302S-01 Multiplier and Zero Delay Buffer Description The MK2302S-01is a high performance Zero Delay Buffer (ZDB) which integrates ICS' proprietary analog/digital Phase Locked Loop (PLL) techniques. The chip is part of ICS' ClockBlocksTM family and was designed as a performance upgrade to meet today's higher speed and lower voltage requirements. The zero delay feature means that the rising edge of the input clock aligns with the rising edges of both output clocks, giving the appearance of no delay through the device. There are two outputs on the chip, one being a low-skew divide by two of the other output. The MK2302S-01 is ideal for synchronizing outputs in a large variety of systems, from personal computers to data communications to graphics/video. By allowing off-chip feedback paths, the device can eliminate the delay through other devices. Features * * * * * * * * * * * * 8 pin SOIC package Low input to output skew of 250ps max Absolute jitter 500ps Propagation Delay 350ps Ability to choose between different multipliers from 0.5X to 16X Output clock frequency up to 133 MHz at 3.3V Can recover degraded input clock duty cycle Output clock duty cycle of 45/55 Full CMOS clock swings with 25mA drive capability at TTL levels Advanced, low power CMOS process Operating voltage of 3.3V or 5V Industrial temperature version available Block Diagram IC L K S 1 :0 F B IN d ivid e by N P h a se D e te cto r, C h a rg e Pum p, and Loop F ilte r VCO /2 C LK1 C LK2 E x te rn a l fe e d b a ck c a n co m e fro m C L K 1 o r C L K 2 (se e ta b le o n p a g e 2 ) MDS 2302S-01 B 1 Revision 070803 Integrated Circuit Systems, Inc. 525 Race Street, San Jose, CA 95126 tel (408) 295-9800 www.icst.com MK2302S-01 Multiplier and Zero Delay Buffer Pin Assignment FBIN ICLK GND S0 1 2 3 4 8 7 6 5 CLK2 VDD CLK1 S1 8 pin (150 mil) SOIC Clock Multiplier Decoding Table 1 (Multiplies Input clock by shown amount) FBIN CLK1 CLK1 CLK1 CLK1 CLK2 CLK2 CLK2 CLK2 S1 0 0 1 1 0 0 1 1 S0 0 1 0 1 0 1 0 1 CLK1 2 X ICLK 4 X ICLK ICLK 8 X ICLK 4 X ICLK 8 X ICLK 2 X ICLK 16 X ICLK CLK2 ICLK 2 X ICLK ICLK/2 4 X ICLK 2 X ICLK 4 X ICLK ICLK 8 XICLK Pin Descriptions Pin Number 1 2 3 4 5 6 7 8 Pin Name FBIN ICLK GND S0 S1 CLK1 VDD CLK2 Pin Type Input Input Power Input Input Output Power Output Feedback clock input. Reference clock input. Connect to ground. Pin Description Select 0 for output clock per decoding table above. Pull-up. Select 1 for output clock per decoding table above. Pull up. Clock output per table above. Connect to +3.3V or +5.0V. Clock output per table above. Low skew divide by two of pin 6 clock. MDS 2302S-01 B 2 Revision 070803 Integrated Circuit Systems, Inc. 525 Race Street, San Jose, CA 95126 tel (408) 295-9800 www.icst.com MK2302S-01 Multiplier and Zero Delay Buffer External Components The MK2302S-01 requires a 0.01F decoupling capacitor to be connected between VDD and GND. It must be connected close to the part to minimize lead inductance. No external power supply filtering is required for this device. A 33W series terminating resistor can be used next to each output pin. Using CLK1 as the feedback will always result in synchronized rising edges between ICLK and CLK1. However, the CLK2 could be a falling edge compared with ICLK. ICS recommends using CLK2 feedback whenever possible. This will synchronize the rising edges of all three clocks. Absolute Maximum Ratings Stresses above the ratings listed below can cause permanent damage to the MK2302S-01. 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 Supply Voltage, VDD All Inputs and Outputs Ambient Operating Temperature Storage Temperature Junction Temperature Power Dissipation 7V Rating -0.5V to VDD+0.5V -55 to 125C -65 to +150C 175C 0.5W Recommended Operation Conditions Parameter Ambient Operating Temperature, Commercial Ambient Operating Temperature, Industrial Power Supply Voltage (measured in respect to GND) Power Supply Voltage (measured in respect to GND) Min. 0 -40 +4.5 +3.15 Typ. Max. +70 +85 Units C C V V +5.0 +3.3 +5.5 +3.45 MDS 2302S-01 B 3 Revision 070803 Integrated Circuit Systems, Inc. 525 Race Street, San Jose, CA 95126 tel (408) 295-9800 www.icst.com MK2302S-01 Multiplier and Zero Delay Buffer DC Electrical Characteristics VDD = 3.3V 5%, Ambient Temperature 0 to +70C or -40C to 85C Parameter Operating Voltage Operating Current Input High Voltage Input Low Voltage Input High Voltage Input Low Voltage (mid-level) Input Low Voltage Output High Voltage (CMOS High) Output High Voltage Output Low Voltage Short Circuit Current Input Capacitance Symbol Conditions VDD IDD VIH VIL VIH VIM VIL VOH VOH VOL IOS CIN ICLK, FBIN ICLK, FBIN S0, S1 S0, S1 S0, S1 IOH = -4 mA IOH = -12 mA IOL = 12mA Each output S0, S1 Min. 3.15 Typ. 20 Max. 3.45 Units V ma V 2 0.8 VDD-0.5 VDD/2 0.5 VDD-0.4 2.4 0.4 70 5 V V V V V V V mA pF VDD = 5V 10%, Ambient Temperature 0 to +70C or -40C to 85C Parameter Operating Voltage Operating Current Input High Voltage Input Low Voltage Input High Voltage Input Low Voltage (mid-level) Input Low Voltage Output High Voltage (CMOS High) Output High Voltage Output Low Voltage Short Circuit Current Input Capacitance Symbol Conditions VDD IDD VIH VIL VIH VIM VIL VOH VOH VOL IOS CIN ICLK, FBIN ICLK, FBIN S0, S1 S0, S1 S0, S1 IOH = -4 mA IOH = -12 mA IOL = 12mA Each output S0, S1 5V Min. 4.5 Typ. 30 Max. 5.5 Units V ma V 2 0.8 VDD-0.5 VDD/2 0.5 VDD-0.4 2.4 0.4 100 5 V V V V V V V mA pF MDS 2302S-01 B 4 Revision 070803 Integrated Circuit Systems, Inc. 525 Race Street, San Jose, CA 95126 tel (408) 295-9800 www.icst.com MK2302S-01 Multiplier and Zero Delay Buffer AC Electrical Characteristics VDD = 3.3V or 5V 5%, Ambient Temperature 0 to +70 C or -40C to 85C Parameter Input Frequency, ICLK Output Clock Frequency Output to Output Skew Input to Output Jitter Input Skew, Symbol Conditions FBIN from CLK/2 CLK1 40 - 150 MHz ICLK to FBIN, CLK>30MHz, Note 1 ICLK to FBIN, CLK<30MHz, Note 1 Min. 10 Typ. Max. Units 168 MHz ps ps ps ps ns ns See table on page 2 100 -300 -600 0.8 0.8 40 49 - 51 175 200 300 600 1 1 60 Output Clock Rise Time Output Clock Fall Time Output Clock Duty Cycle 0.8 to 2.0V, Note 2 2.0 to 0.8V, Note 2 at VDD/2 % Note 1: Assumes clocks with same rise time, measured from rising edges at VDD/2 Note 2: Measured with 27W terminating resistor and 15pF loads Thermal Characteristics Parameter Thermal Resistance Junction to Ambient Symbol qJA qJA qJA qJC Conditions Still air 1 m/s air flow 3 m/s air flow Min. Typ. 150 140 120 40 Max. Units C/W C/W C/W C/W Thermal Resistance Junction to Case MDS 2302S-01 B 5 Revision 070803 Integrated Circuit Systems, Inc. 525 Race Street, San Jose, CA 95126 tel (408) 295-9800 www.icst.com MK2302S-01 Multiplier and Zero Delay Buffer Package Outline and Package Dimensions (8 pin SOIC, 150 Mil. Body) Package dimensions are kept current with JEDEC Publication No. 95 8 Millimeters Symbol A A1 B C D E e H h L a 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 h x 45 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 E INDEX AREA H 12 D A A1 C -Ce B SEATING PLANE .10 (.004) L C Ordering Information Part / Order Number Marking (for both) MK2302S-01 MK2302S-01T MK2302S-01I MK2302S-01IT MK2302S-01 MK2302S-01 MK2302S-01I MK2302S-01I Shipping Pkg Tubes Tape and Reel Tubes Tape and Reel Package 8 pin SOIC 8 pin SOIC 8 pin SOIC 8 pin SOIC Temperature 0 to +70 C 0 to +70 C -40 to 85 C -40 to 85 C 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. MDS 2302S-01 B 6 Revision 070803 Integrated Circuit Systems, Inc. 525 Race Street, San Jose, CA 95126 tel (408) 295-9800 www.icst.com |
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