NB7L1008MNGEVB NB7L1008MNG Evaluation Board User's Manual Introduction The NB7L1008 is a high performance differential 1:8 Clock/Data fanout buffer that operates up to 12 Gbps/7 GHz with a 2.5 V or 3.3 V power supply. ON Semiconductor has developed a “universal” QFN−32 evaluation board and configured it for the NB7L1008. This evaluation board was designed to provide a flexible and convenient platform to quickly evaluate, characterize and verify the operation of the NB7L1008. This evaluation board manual contains: • Information on the NB7L1008 Evaluation Board • Test and Measurement Setup Procedures http://onsemi.com EVAL BOARD USER’S MANUAL Layer Stack L1 (Rogers) High-performance SMA connectors are provided for all high-speed input & output signal access. This manual should be used in conjunction with the device datasheet, which contains full technical details on the device specifications and operation. Evaluation Board Assembly Instructions The QFN−32 evaluation board is designed for characterizing devices in a 50-W laboratory environment using high bandwidth equipment. Board Layout The NB7L1008 Evaluation Board provides a high bandwidth, 50-W controlled impedance environment and is implemented in one layer. Output Loading/Termination LVPECL Outputs Table 1. DIFFERENTIAL INPUTS DRIVEN SINGLE – ENDED (Notes 1 & 2) Symbol Min Typ Max Unit VIH Single – Ended Input High Voltage Vth + 75 − VCC mV VIL Single – Ended Input Low Voltage VEE − Vth − 100 mV Vth Input Threshold Reference Voltage Range VEE + 1100 − VCC − 100 mV 200 − 1200 mV Min Typ Max Unit VISE Characteristic Single – Ended Input Voltage (VIH – VIL) 1. Vth, VIH, VIL and VISE parameters must be complied with simultaneously. 2. Vth is applied to the complementary input when operating in single-ended mode. Table 2. DIFFERENTIAL INPUTS DRIVEN DIFFERENTIALLY (IN, INB) (Note 3) Symbol Characteristic VIHD Differential Input High Voltage VEE + 1100 − VCC mV VILD Differential Input Low Voltage VEE − VIHD − 100 mV VID Differential Input Voltage (VIHD – VILD) 100 − 1200 mV IIH Input High Current −150 40 +150 mA IIL Input Low Current −150 5 +150 mA 3. VIHD, VILD, VID and VCMR parameters must be complied with simultaneously. If the input signals to the NB7L1008 require termination, internal 50-W resistors are provided via the VT pin and grounded using a SMA grounding plug then and should be stimulated with the appropriate voltage levels. © Semiconductor Components Industries, LLC, 2014 July, 2014 − Rev. 1 NOTE: For this evaluation board, VT is connected to ground, thus it can only be used for LVPECL inputs. 1 Publication Order Number: EVBUM2241/D NB7L1008MNGEVB Figure 1. Test Board 3. Connect a test measurement device to the device’s output SMA connectors. 1. Connect the appropriate power supplies to VCC, DUTGND. 2. Connect a signal generator to the input SMA connectors. Setup input signal levels according to the device data sheet. NOTE: The test measurement device must contain 50-W termination. Table 3. NB7L1008, LVPECL INPUTS AND LVPECL OUTPUTS Device Pin Power Supply Connector Power Supply VCC VCC = 2 V 50 W Input VT = 0 V DUTGND DUTGND = VEE = −0.5 V (for 2.5 V) and −1.3 V (for 3.3 V) Table 4. NB7L1008, CML INPUTS AND LVPECL OUTPUTS Device Pin Power Supply Connector Power Supply VCC VCC = 2 V 50 W Input VT = VCC DUTGND DUTGND = VEE = −0.5 V (for 2.5 V) and −1.3 V (for 3.3 V) Table 5. NB7L1008, LVDS INPUTS AND LVPECL OUTPUTS Device Pin Power Supply Connector Power Supply VCC VCC = 2 V 50 W Input VT = Open DUTGND DUTGND = VEE = −0.5 V (for 2.5 V) and −1.3 V (for 3.3 V) http://onsemi.com 2 NB7L1008MNGEVB Figure 2. Schematic Drawing Table 6. BILL OF MATERIALS Manufacturer Part Number Components Manufacturer Description SMA Connector Rosenberger High Performance SMA Connector, Side Launch, Gold Plated 32K243-40ME3 http://www.rosenberger.de http://www.rosenbergerna.com SMA Connector Johnson-Emerson SMA Connector, Side Launch, Gold Plated 142-0701-801 http://www.digikey.com Surface Mount Test Points Keystone* SMT Compact Test Point 5016 http://www.keylco.com Chip Capacitor AVC Corporation* 0603 0.1 mF ±10% 0603C104KAT2A http://www.avxcorp.com Chip Capacitor Kemet 1206 0.01 mF ±10% C1206C103K5RACTU http://www.newark.com Chip Capacitor TDK 0603 0.1 mF ±10% C3216X5R1H106K160AB http://www.newark.com Evaluation Board ON Semiconductor QFN 32 Evaluation Board NB7VQ1006MMNGEVB http://www.onsemi.com Device Samples ON Semiconductor NB7L1008 Various http://www.onsemi.com *Components are available through most distributors, i.e. www.newark.com, www.Digikey.com http://onsemi.com 3 Web Site NB7L1008MNGEVB ON Semiconductor and the are registered trademarks of Semiconductor Components Industries, LLC (SCILLC) or its subsidiaries in the United States and/or other countries. SCILLC owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of SCILLC’s product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent−Marking.pdf. SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. 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