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| DATASHEET BUFFER/CLOCK DRIVER Description The MK3807-01 is a low skew 3.3 V, 1 to 10 fanout buffer. The large fanout from a single input line reduces loading on the input clock. The TTL level outputs reduce noise levels on the part. Typical applications are clock and signal distribution. MK3807-01 Features * * * * Packaged in 20-pin SSOP Available in Pb (lead) free package 1 to 10 fanout buffer Maximum skew between outputs of same package 0.35 ns 0.75 ns * Maximum skew between outputs of different packages * * * * * Max propagation delay of 3.8 ns Operating voltage of 3.3 V Advanced, low power, CMOS process Industrial temperature range -40 C to +85 C Hysteresis on all inputs Block Diagram CLK1 CLK2 CLK3 CLK4 IN CLK5 CLK6 CLK7 CLK8 CLK9 CLK10 IDTTM / ICSTM BUFFER/CLOCK DRIVER 1 MK3807-01 REV D 060407 MK3807-01 BUFFER/CLOCK DRIVER FAN OUT BUFFER Pin Assignment IN GND CLK1 VDD CLK2 GND CLK3 VDD CLK4 GND 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 VDD CLK10 CLK9 GND CLK8 VDD CLK7 GND CLK6 CLK5 20 pin SOIC, SSOP, TSSOP Pin Descriptions Pin Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Pin Name IN GND CLK1 VDD CLK2 GND CLK3 VDD CLK4 GND CLK5 CLK6 GND CLK7 VDD CLK8 GND CLK9 CLK10 VDD Pin Type Input Power Output Power Output Power Output Power Output Power Output Output Power Output Power Output Power Output Output Power Clock input. Connect to ground. Clock output. Connect to +3.3 V. Clock output. Connect to ground. Clock output. Connect to +3.3 V. Clock output. Connect to ground. Clock output. Clock output. Connect to ground. Clock output. Connect to +3.3 V. Clock output. Connect to ground. Clock output. Clock output. Connect to +3.3 V. Pin Description IDTTM / ICSTM BUFFER/CLOCK DRIVER 2 MK3807-01 REV D 060407 MK3807-01 BUFFER/CLOCK DRIVER FAN OUT BUFFER External Components The MK3807-01 requires a minimum number of external components for proper operation. PCB Layout Recommendations For optimum device performance and lowest output phase noise, the following guidelines should be observed. 1) The 0.01F decoupling capacitors should be mounted on the component side of the board as close to the VDD pins as possible. No vias should be used between the decoupling capacitors and VDD pins. The PCB trace to VDD pin should be kept as short as possible, as should the PCB trace to the ground via. 2) To minimize EMI, the 33 series termination resistor, (if needed) should be placed close to the clock output. Decoupling Capacitors Decoupling capacitors of 0.01F must be connected between VDD and GND, as close to these pins as possible. For optimum device performance, the decoupling capacitors should be mounted on the component side of the PCB. Avoid the use of vias in the decoupling circuit. Series Termination Resistor When the PCB trace between the clock outputs and the loads are over 1 inch, series termination should be used. To series terminate a 50 trace (a commonly used trace impedance) place a 33 resistor in series with the clock line, as close to the clock output pin as possible. The nominal impedance of the clock output is 20. Absolute Maximum Ratings Stresses above the ratings listed below can cause permanent damage to the MK3807-01. These ratings, which are standard values for IDT 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 Soldering Temperature 7V Rating -0.5 V to VDD+0.5 V -40 to +85C -65 to +150C 125C 260C Recommended Operation Conditions Parameter Ambient Operating Temperature Power Supply Voltage (measured in respect to GND) Min. -40 +3.135 Typ. +3.3 Max. +85 +3.465 Units C V IDTTM / ICSTM BUFFER/CLOCK DRIVER 3 MK3807-01 REV D 060407 MK3807-01 BUFFER/CLOCK DRIVER FAN OUT BUFFER DC Electrical Characteristics Unless stated otherwise, VDD = 3.3 V 5%, Ambient Temperature -40 C to +85 C Parameter Operating Voltage Quiescent Power Supply Current Symbol VDD ICC Conditions VCC=Max VIN=GND or VCC VCC=Max VIN=@TTL HIGH (VCC-0.6 V) Min. 3.135 Typ. 3.3 3 2.0 Max. 3.465 30 300 Units V A A Input High Voltage Input Low Voltage Output High Voltage VIH VIL VOH High Level Input pins Low Level Input pins VCC=min VIN=VIH or VIL IOH = -0.1 mA, IOH = -8 mA VCC=min VIN=VIH or VIL IOL= -0.1 mA, IoL=16 mA IoL=24 mA VCC=Max, VOUT=GND VIN=0V, Note1 VOUT=0V, Note1 2 -0.5 5.5 0.8 V V VDD-0.2 2.4 V 3.0 Output Low Voltage VOL 0.2 0.4 0.5 -60 -135 5 5.5 150 -240 6.0 8.0 V Short Circuit Current Input Capacitance Output Capacitance Input Hysteresis IOS CIN COUT VH mA pF pF mV Note1: This parameter is not tested. IDTTM / ICSTM BUFFER/CLOCK DRIVER 4 MK3807-01 REV D 060407 MK3807-01 BUFFER/CLOCK DRIVER FAN OUT BUFFER AC Electrical Characteristics Unless stated otherwise, VDD = 3.3 V 5%, Ambient Temperature -40 C to +85 C Parameter Skew between outputs of same package Skew between opposite transitions of same output Propagation Delay IN to ON Skew between outputs of different package at same power supply, temperature and speed grade Output Rise Time 0.8 V to 2.0 V Output Fall Time 2.0 V to 0.8 V Duty Cycle Measured at VDD/2 Test Frequency Symbol tsk9=(0) tsk(p) tpLH/tpHL tsk(t) Conditions CL=50 pF, RL=500 CL=50 pF, RL=500 CL=50 pF, RL=500 CL=50 pF, RL=500 Min. Typ. Max. Units 0.35 0.35 ns ns ns ns 1.5 3.8 0.75 tr(o) tf(o) DC CL=50 pF, RL=500 CL=50 pF, RL=500 CL=50 pF, RL=500 45 1 1.5 1.5 55 100 ns ns % MHz IDTTM / ICSTM BUFFER/CLOCK DRIVER 5 MK3807-01 REV D 060407 MK3807-01 BUFFER/CLOCK DRIVER FAN OUT BUFFER Package Outline and Package Dimensions (20-pin SSOP, 150Mil. Body) Package dimensions are kept current with JEDEC Publication No. 95 20 Millimeters Symbol Min Max Inches* Min Max E1 INDEX AREA E 12 D A A1 A2 b C D E E1 e L 1.35 1.75 0.10 0.25 -1.50 0.20 0.30 0.18 0.25 8.55 8.75 5.80 6.20 3.80 4.00 0.635 Basic 0.40 1.27 0 8 .053 .069 .0040 .010 -.059 0.008 0.012 .007 .010 .337 .344 .228 .244 .150 .157 0.025 Basic .016 .050 0 8 *For reference only. Controlling dimensions in mm. A 2 A 1 A c -Ce b SEATING PLANE L .10 (.004) C Ordering Information Part / Order Number MK3807-01RI MK3807-01RITR MK3807-01RILF MK3807-01RILFTR Marking MK3807-01RI MK3807-01RI 3807-01RILF 3807-01RILF Shipping Packaging Tubes Tape and Reel Tubes Tape and Reel Package 20-pin SSOP 20-pin SSOP 20-pin SSOP 20-pin SSOP Temperature -40 to +85 C -40 to +85 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 Device Technology (IDT) 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 IDT. IDT reserves the right to change any circuitry or specifications without notice. IDT does not authorize or warrant any IDT product for use in life support devices or critical medical instruments. IDTTM / ICSTM BUFFER/CLOCK DRIVER 6 MK3807-01 REV D 060407 MK3807-01 BUFFER/CLOCK DRIVER FAN OUT BUFFER Innovate with IDT and accelerate your future networks. Contact: www.IDT.com For Sales 800-345-7015 408-284-8200 Fax: 408-284-2775 For Tech Support 408-284-4522 www.idt.com/go/clockhelp Corporate Headquarters Integrated Device Technology, Inc. www.idt.com (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 |
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