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| SL2309NZ Low Jitter and Skew DC to 140 MHz Clock Buffer Key Features DC to 140 MHz operating frequency range Low output clock skew: 50ps-typ Low part-to-part output skew: 90 ps-typ 3.3V +/-10% operation supply voltage Low power dissipation: - 9 mA-typ at 33MHz - 11 mA-typ at 66MHz - 14 mA-typ at 133MHz One input to nine (9) output fanout buffer drivers Available in 16-pin SOIC package Available in Commercial and Industrial grades Available in Lead (Pb) free package Description The SL2309NZ is a low skew, jitter and power fanout buffer designed to produce up to nine (9) clock outputs from one (1) reference input clock, for high speed clock distribution, including PCI/PCI-X applications. The SL2309NZ products operate from DC to 140MHz. Refer to SL23EP09NZ products for DC to 220MHz-max frequency range, 2.5V power supply operation, improved skew, jitter and higher drive options. Also refer to SL2304NZ or SL23EP04NZ products for 1:4 clock fanout buffers from 2.5V to 3.3V power supply and DC to 220MHZ frequency range. Benefits Up to nine (9) distribution of input clock Low skew Low Jitter Low power dissipation Applications General Purpose PCI/PCI-X Clock Buffer Printers, MFPs and Digital Copiers PCs and Work Stations Routers, Switchers and Servers Datacom and Telecom High-Speed Digital Embeded Systems Block Diagram Rev 1.2, April 28, 2007 Page 1 of 8 2200 Laurelwood Road, Santa Clara, CA 95054 Tel: (408) 855-0555 Fax: (408) 855-0550 www.SpectraLinear.com SL2309NZ Pin Configuration 16-Pin SOIC/TSSOP Pin Description Pin Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Pin Name BUF_IN OUTPUT1 OUTPUT2 VDD GND OUTPUT3 OUTPUT4 VDD GND OUTPUT5 OUTPUT6 GND VDD OUTPUT7 OUTPUT8 OUTPUT9 Pin Type Input Output Output Power Power Output Output Power Power Output Output Power Power Output Output Output Input Reference Clock Buffered Clock Output-1 Buffered Clock Output-2 3.3V +/-10% Power Supply Power Ground Buffered Clock Output-3 Buffered Clock Output-4 3.3V +/-10% Power Supply Power Ground Buffered Clock Output-5 Buffered Clock Output-6 Power Ground 3.3V +/-10% Power Supply Buffered Clock Output-7 Buffered Clock Output-8 Buffered Clock Output-9 Pin Description Rev 1.2, April 28, 2007 Page 2 of 8 SL2309NZ General Description The SL2309NZ is a low skew, jitter and power fanout buffer designed to produce up to nine (9) clock outputs from one (1) reference input clock, for high speed clock distribution, including PCI/PCI-X applications. Output Clock Skew All outputs should drive the similar load to achieve outputto-output skew specifications as given in the switching electrical tables. Input and output Frequency Range The input and output frequency is the same (1x) for SL2309NZ and the product operates from DC to 140MHz clock range with 15pF and 100MHz with 30pF output loads. Power Supply Range (VDD) The SL2309NZ is designed to operate 3.3V+/-10% (3.63Vmax to 2.97V-min) VDD power supply range. An internal on-chip voltage regulator is used to provide to constant power supply of 1.8V, leading to a consistent and stable electrical performance in terms of skew and jitter. The SL2309NZ I/O is powered by using VDD=3.3V+/-10%. Refer to SL23EP09NZ products for DC to 220MHz-max frequency range, 2.5V power supply operation, improved skew, jitter and higher drive options. Contact SLI for 1.8V power supply Buffers and ZDB products. High Drive Capability The SL2309NZ is designed to meet high drive requirements for up to 30pF load condition per electrical specifications. If higher drive levels are required refer to SL23EP09NZ fanout buffer product. Absolute Maximum Ratings (C-Grade and I-Grade) Description Supply voltage, VDD All Inputs and Outputs Ambient Operating Temperature Ambient Operating Temperature Storage Temperature Junction Temperature Soldering Temperature ESD Rating (Human Body Model) MIL-STD-883, Method 3015 In operation, C-Grade In operation, I-Grade No power is applied In operation, power is applied Condition Min -0.5 -0.5 0 -40 -65 - - 2000 Max 4.6 VDD+0.5 70 85 150 125 260 - Unit V V C C C C C V Rev 1.2, April 28, 2007 Page 3 of 8 SL2309NZ Operating Conditions (C-Grade and I-Grade) Unless otherwise stated VDD= 3.3V+/- 10%, CL=15pF Description Operating Voltage Symbol VDD TA1 Condition VDD+/-10% Ambient Temperature C-Grade Ambient Temperature I-Grade Pin 1 All outputs <100MHz All outputs 100MHz to 135MHz Fanout Buffer Range Min 2.97 0 -40 - - - DC Typ 3.3 - - 5 - - - Max 3.63 70 85 7 30 15 140 Unit V C C pF pF pF MHz Operating Temperature TA2 Input Capacitance Load Capacitance Operating Frequency VIH CL1 CL2 FBUF_IN DC Electrical Characteristics (C-Grade) Unless otherwise stated VDD= 3.3V+/- 10%, CL=15pF and Ambient Temperature range 0 to +70C Description Input LOW Voltage Input HIGH Voltage Input LOW Current Input HIGH Current Output Low Voltage Output High Voltage Power Supply Current Power Supply Current Power Supply Current Symbol VINL VINH IINL IINH VOL VOH IDD1 IDD2 IDD3 BUF_IN BUF_IN Condition Min - 2.0 - - - 2.4 - - - Typ - - - - - - 9 11 14 Max 0.8 VDD+0.3 15 25 0.4 - 13 16 20 Unit V V A A V V mA mA mA 0 < VIN < 0.8V 2.4V < VIN < VDD IOL=8mA IOH=-8mA CLKIN=33.3MHz, CL=0 CLKIN=66.6MHz, CL=0 CLKIN=133.3MHz, CL=0 Switching Electrical Characteristics (C-Grade) Unless otherwise stated VDD= 3.3V+/- 10%, CL=15pF and Ambient Temperature range 0 to +70C Description Output Frequency Range Symbol FOUT1 FOUT2 CL=15pf CL=30pf Condition Min 0 0 20 45 40 - Typ - - 50 50 50 - Max 140 100 80 55 60 1.5 Unit MHz MHz % % % ns Input Duty Cycle Output Duty Cycle Output Duty Cycle Output Rise Time DC1 DC2 DC3 tr Measured at VDD/2 CL=15pF, Fout=140 MHz Measured at VDD/2 CL=30pF, Fout=100 MHz Measured at VDD/2 Measured at 0.8V to 2.0V CL=0 to 30pF Rev 1.2, April 28, 2007 Page 4 of 8 SL2309NZ Switching Electrical Characteristics (C-Grade - Cont.) Unless otherwise stated VDD= 3.3V+/- 10%, CL=15pF and Ambient Temperature range 0 to +70C Output Fall Time Output Skew Part to Part Skew tf SKW1 SKW2 Measured at 0.8V to 2.0V CL=0 to 30pF Measured at VDD/2 and Outputs are equally loaded Measured at VDD/2 and Outputs are equally loaded Measured at VDD/2 from CLKIN to Output Clock rising edge and Outputs are equally loaded CLKIN=66MHz and CL=0 (No Load) CLKIN=133MHz and CL=0 (No Load) - - - - 50 90 1.5 100 200 ns ps ps Propagation Delay Time Cycle-to-Cycle Jitter Cycle-to-Cycle Jitter PDT CCJ1 CCJ2 - - - 4.0 25 15 6.5 50 30 ns ps ps DC Electrical Characteristics (I-Grade) Unless otherwise stated VDD= 3.3V+/- 10%, CL=15pF and Ambient Temperature range -40 to +85C Description Input LOW Voltage Input HIGH Voltage Input LOW Current Input HIGH Current Output Low Voltage Output High Voltage Power Supply Current Power Supply Current Power Supply Current Symbol VINL VINH IINL IINH VOL VOH IDD1 IDD2 IDD3 BUF_IN BUF_IN Condition Min - 2.0 - - - 2.4 - - - Typ - - - - - - 10 12 16 Max 0.8 VDD+0.3 25 40 0.4 - 15 18 24 Unit V V A A V V mA mA mA 0 < VIN < 0.8V 2.4V < VIN < VDD IOL=8mA IOH=-8mA CLKIN=33.3MHz, CL=0 CLKIN=66.6MHz, CL=0 CLKIN=133.3MHz, CL=0 Switching Electrical Characteristics (I-Grade) Unless otherwise stated VDD= 3.3V+/- 10%, CL=15pF and Ambient Temperature range -40 to +85C Description Output Frequency Range Symbol FOUT1 FOUT2 CL=15pf CL=30pf Condition Min 0 0 20 45 40 Typ - - 50 50 50 Max 140 100 80 55 60 Unit MHz MHz % % % Input Duty Cycle Output Duty Cycle Output Duty Cycle DC1 DC2 DC3 Measured at VDD/2 CL=15pF, Fout=140 MHz Measured at VDD/2 CL=30pF, Fout=100 MHz Measured at VDD/2 Rev 1.2, April 28, 2007 Page 5 of 8 SL2309NZ Switching Electrical Characteristics (I-Grade - Cont.) Unless otherwise stated VDD= 3.3V+/- 10%, CL=15pF and Ambient Temperature range -40 to +85C Output Rise Time Output Fall Time Output Skew Part to Part Skew tr tf SKW1 SKW2 Measured at 0.8V to 2.0V CL=0 to 30pF Measured at 0.8V to 2.0V CL=0 to 30pF Measured at VDD/2 and Outputs are equally loaded Measured at VDD/2 and Outputs are equally loaded Measured at VDD/2 from CLKIN to Output Clock rising edge and Outputs are equally loaded CLKIN=66MHz and CL=0 (No Load) CLKIN=133MHz and CL=0 (No Load) - - - - - - 60 110 1.5 1.5 120 250 ns ns ps ps Propagation Delay Time Cycle-to-Cycle Jitter Cycle-to-Cycle Jitter PDT CCJ1 CCJ2 - - - 4.5 30 20 7.5 60 40 ns ps ps External Components & Design Considerations Typical Application Schematic Comments and Recommendations Decoupling Capacitor: A decoupling capacitor of 0.1 F must be used between all VDD and VSS pins. Place the capacitor on the component side of the PCB as close to the VDD pin as possible. The PCB trace to the VDD pin and to the GND via should be kept as short as possible. Do not use vias between the decoupling capacitor and the VDD pin. Series Termination Resistor: A series termination resistor is recommended if the distance between the output clocks and the load is over 1 1/2 inch. Place the series termination resistors as close to the clock outputs as possible. Rev 1.2, April 28, 2007 Page 6 of 8 SL2309NZ Package Outline and Package Dimensions 16-Lead SOIC (150 Mil) 16 9 0.150(3.810) 0.157(3.987 Dimensions are in milimeters(inches). Top line: (MIN) and Bottom line: (Max) Pin-1 ID 0.230(5.842) 0.244(6.197) 1 8 0.189(4.800) 0.196(4.978) 0.010(0.2540) X 45 0.016(0.406) 0.0075(0.190) 0.0098(0.249) 0.061(1.549) 0.068(1.727) 0.004(0.102) 0.050(1.270) BSC 0.0138(0.350) 0.0192(0.487) 0.004(0.102) 0.0098(0.249) Seating plane 0 to 8 0.016(0.406) 0.035(0.889) Thermal Characteristics Parameter Thermal Resistance Junction to Ambient Thermal Resistance Junction to Case Symbol JA JA JA JC Condition Still air 1m/s air flow 3m/s air flow Independent of air flow Min - Typ 120 115 105 60 Max - Unit C/W C/W C/W C/W Rev 1.2, April 28, 2007 Page 7 of 8 SL2309NZ Ordering Information [3] Ordering Number SL2309NZSC-1H SL2309NZSC-1HT SL2309NZSI-1H SL2309NZSI-1HT Marking SL2304NZSC-1H SL2304NZSC-1H SL2304NZSI-1H SL2304NZSI-1H Shipping Package Tube Tape and Reel Tube Tape and Reel Package 16-pin SOIC 16-pin SOIC 16-pin SOIC 16-pin SOIC Temperature 0 to 70C 0 to 70C -40 to 85C -40 to 85C Notes: 3. The SL2309NZ products are RoHS compliant. While SLI has reviewed all information herein for accuracy and reliability, Spectra Linear Inc. assumes no responsibility for the use of any circuitry or for the infringement of any patents or other rights of third parties which would result from each use. This product is intended for use in normal commercial applications and is not warranted not is it intended for use in life support, critical medical instruments, or any other application requiring extended temperature range, high reliability, or any other extraordinary environmental requirements unless pursuant to additional processing by Spectra Linear Inc., and an expressed written agreement by Spectra Linear Inc. Spectra Linear Inc. reserves the right to change any circuitry or specification without notice. Rev 1.2, April 28, 2007 Page 8 of 8 |
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