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ZL40000 3/6 Channel DC to 2 GHz Power Splitter Data Sheet Features * * * * * * * * * * * Broadband 1 to 2000MHz Low Power (500mW) 3 Diff Outputs 6 Single Outputs High Linearity IIP3 = +20dBm IIP2 = +50dBm NF = 8dB >40dB AGC Range Ultra Fast AGC Gain Tracking Error <1dB DS5767 Issue 2 August 2002 Ordering Information ZL40000/LCA 28 MLP Tubes ZL40000/LCB 28 MLP Tape & Reel -40o C to +80o C Description The ZL40000 is an ultra high linearity RF power divider. The device provides a 75 Ohm Input impedance to a broad band RF input Signal. The signal is buffered through an ultra high linearity 6dB Gain buffer. This is followed by a power divider which splits the buffered signal into 3 signals. One signal is passed through a 200Ohm differential output driver. The other two signals are passed through two separate 0 to -40dB AGC stages before output as two isolated independent differential Signals. The device is built on Zarlink's 20GHz Complimentary Bipolar Process. Applications * * * * * * * * * * * RF Signal Switching RF Signal Level Control Phased Arrays Instrumentation ATE Base Station RX and TX Adaptive Antenna's Systems Video Recorders RF Signal Distribution Multiple Tuners Satellite, Cable, Terrestrial Digital TVMultiple Tuners Vcc Vcc RFin RFinb BGR Out3 Out3b Vee Out2 Out2b Vee Out1 Out1b Vee Vee AGC2 AGC1 Figure 1 - Functional Block Diagram Zarlink products and associated documents marked "Eng" ("ENGineering Samples") are or relate to products in development and not released to production. All ENGineering Samples are supplied only for testing and on the express understanding that (i) they have not been fully tested or characterized under intended modes of operation and may contain defects; (ii) Zarlink makes no representation or warranty regarding them; and (iii) Zarlink disclaims any liability for claims, demands and damages, including without limitation special, indirect and consequential damages, resulting from any loss arising out of the application, use or performance of them. ENGineering Samples may be changed or discontinued by Zarlink at any time without notice. SEMICMF.019 1 ZL40000 Out3 Out3b Vcc Vcc Vcc Vee Vee Data Sheet Vcc N/C Rfin Rfinb Vee N/C N/C 1 N/C N/C Vee Vee N/C Out2 Out2b AGC2 AGC1 Figure 2 - Pin Diagram Vee Out1b Out1 N/C 10nF 10nF 1 Vcc Vcc Out3 Vcc Out3b Vee N/C N/C Vee Vee N/C Out2 AGC2 Out1b Out2b Out1 Vee Vee N/C 2:1 RFin 10nF N/C Rfin Rfinb Vee N/C AGC1 50/75 Ohm Vcc 10nF 10nF MABAES2009 1:1 1:1 10nF MABAES2009 50/75 Ohm Figure 3 - Application Diagram - A (Differential) 2 50/75 Ohm SEMICMF.019 Data Sheet ZL40000 Figure 4 - Application Diagram B (Single Ended) 105 Ohm 105 Ohm 200 Ohm 1pF Out1& Out2 1.0nH 1.0nH 200 Ohm 1pF 0.5pF 0.5pF Out3 1.0nH 1.0nH Vagc 2.8V 1.3V 12mA 12mA 6mA 2K 2V 30K 75 AGC1/ AGC2 RFin 1.0nH 2.5V RFinb 1.0nH Figure 5 - ZL40000 I/O Circuits SEMICMF.019 3 ZL40000 Absolute Maximum Ratings Characteristic Supply Voltage (Vcc) RFin All I/O ports Storage Temperature Junction Temperature ESD protection 2KV -0.5V -55 Min - 0.5 Max 6 12 Vcc+0.5 150 125 Units V dBm V C C Data Sheet Comments Mil-std 883B / 3015 cat1 Operating Range Characteristic Supply Voltage (Vcc) AGC1 AGC2 RFin Frequency Range Operating Junction Temperature Junc'n to Amb't resistance Theta Ja Junc'n to Case resistance Theta Jc Min 4.75 0 0 0.1 -40 50 20 Typ Max 5.25 5.25 5.25 2000 +120 Units V V V MHz C C/W C/W 4 layer FR4 Board 4 layer FR4 Board Comments DC Electrical Characteristics - Vcc=5V +/- 0.25V, Tamb = -40C to 80C, unless otherwise spec'd. Characteristic Supply Current Power Dissipation RFin, RFinb DC Level Out1, Out1b DC Level Out2, Out2b DC Level Out3, Out3b DC Level Min Typ 100 500 Vcc/2 Vcc-1.2 Vcc-1.2 Vcc-0.5 Max 130 683 Units m mW V V V V AGC1 = 0V AGC2 = 0V Comments 4 SEMICMF.019 Data Sheet ZL40000 AC Electrical Characteristics - Vcc=5V +/- 0.25V, Tamb = -40C to 80C, unless otherwise spec'd. Characteristic Diff RFin impedance S11 Diff Out1 impedance Diff Out2 impedance Diff Out3 impedance S21 Gain1 (Out1/RFin) S21 Gain2 (Out2/RFin) S21 Gain3 (Out3/RFin) Gain Matching (Gain1 - Gain2) Gain Matching (Gain1- Gain2) Gain Matching (Gain1 - Gain2) NF (Out1 & Out2) NF (Out1 & Out2) NF (Out1 & Out2) NF (Out1 & Out2) RFin P-dB compression CMRR AGC Range (Out1 & Out2) AGC -3dB BW AGC Switching Time AGC input referred Noise IIP3_100MHz IIP3_500MHz IIP3_1000MHz IIP3 variance / AGC IIP2_50MHz IIP2_500MHz Isolation (Output to Output) Isolation (output to output) S21 (Output to Input) -1 55 42 50 25 -40 dB 40 45 15 200 20 17 13 1 -2 3.5 3.5 -3.5 -0.5 -0.5 -2 7.5 12 15 18 0 40 Min Typ 75 6 200 200 400 6.5 6.5 -0.5 0 9.5 9.5 -2.5 0.5 0.5 2 Max Units Ohm dB Ohm Ohm Ohm dB dB dB dB dB dB dB dB dB dB dBm dB dB MHz ns nV/rt Hz dBm dBm dBm dB dBm dBm dB Max Gain to Min Gain (Vagc=0.8V to 4.2V) (Includes 26dB agc input resistor attenuator) Figure 26 & Figure 27 Figure 26 & Figure 27 Figure 26 & Figure 27 Gain = 5dB to - 10dB, Figure 28 & Figure 29 Figure 20 & Figure 21 (0dB Gain) Figure 20 & Figure 21 (0dB Gain) Balanced to Balanced Single Ch1 to Single Ch2 Output Balanced to Balanced 100 Ohm Diff load, AGC1=0V (Max Gain) 100 Ohm Diff load, AGC1=0V (Max Gain) 200 Ohm Diff load, AGC1 = AGC2 = 0V (Max Gain) Gain1 = Gain2 = 5dB to 0dB, Figure 16 & Figure 18. Gain1 = Gain2 = 0dB to -25dB, Figure 17 & Figure 19 (Temp = 0C to 80C) Figure 32 & Figure 33 (Gain = Max) Figure 32 & Figure 33 (Gain = 0dB) Figure 32 & Figure 33 (Gain = -5dB) Figure 32 & Figure 33 (Gain = -10dB) (See Figure 36) (10MHz to 1000MHz) Comments SEMICMF.019 5 ZL40000 Out1 Diff Max Gain / Freq @ 25C / Vcc 6.5 Gain in dB 6 5.5 5 4.5 4 60 260 460 660 860 1060 4.75 5 5.5 Data Sheet Frequency in MHz Figure 6 - Typical Ch1&2 Diff Gain / Freq / Vcc @ 25C Out3 Gain / Freq @25C / Vcc (RL=200Ohms diff) 1.0 Gain in dB 0.5 0.0 -0.5 -1.0 60 260 460 660 860 1060 4.75 5 5.5 RFin Freq MHZ Figure 7 - Typical Ch3 Diff Gain / Freq / Vcc @ 25C 6 SEMICMF.019 Data Sheet ZL40000 Out1 Gain / Freq @ 5V /Temp 7 6.5 Gain in dB 6 5.5 5 4.5 4 60 260 460 660 860 1060 -40 25 80 RFin Freq in MHz Figure 8 - Typical Ch1 & Ch2 Diff Max Gain / Freq / Temp @ 5V Vcc Out3 Gain / Freq @ 5V Vcc / Temp (Rl=200Ohms diff) 1.0 Gain in dB 0.5 0.0 -0.5 -1.0 -40 25 80 60 260 460 660 860 1060 RFin Freq in MHz Figure 9 - Typical Ch3 Gain / Freq @ 5V / Temp (R1=200 Ohm) SEMICMF.019 7 ZL40000 Gain_diff_Max 8 7 6 Gain in dB 5 4 3 2 1 0 0 500 1000 Frequency in MHz Figure 10 - Typical Diff Max Gain / Frequency Data Sheet 1500 2000 Gain_Single_Max 5 4 Gain in dB 3 2 1 0 0 500 1000 Frequency in MHz Figure 11 - Typical Single Ended Max Gain / Frequency 1500 2000 8 SEMICMF.019 Data Sheet ZL40000 AGC @ 25C / Vcc (Rload = 100 ohms Diff) 0 10.0 0.0 -10.0 1 2 3 4 5 Gain in dB -20.0 -30.0 -40.0 -50.0 -60.0 -70.0 4.75 5 5.25 AGC Voltage Figure 12 - Typical AGC / VCC @ 25C AGC @ 5V Vcc / Temp (Rload = 100Ohms diff) 0 10.0 0.0 -10.0 Gain in dB -20.0 -30.0 -40.0 -50.0 -60.0 -70.0 AGC Voltage -40 25 80 1 2 3 4 5 Figure 13 - Typical AGC / Temp @ 5 V Vcc SEMICMF.019 9 ZL40000 Typ AGC Range (Min Gain / Max Gain ) / Frequency (Differential output with all Channel loads balanced) 10 -30.0 100 1000 10000 Data Sheet -40.0 AGC range in dBC -50.0 CH1diff_Ch2_bal CH2diff_Ch1_bal CH1sing_in_diff_out CH2sing_in_diff_out -60.0 -70.0 -80.0 -90.0 Frequency in MHz Figure 14 - Typical AGC Range / Frequency (Differential Output with all channel loads balanced) AGC Range (Gain_min/Gain_max) (Single Side In or Out) 10 -30.0 100 1000 10000 -40.0 AGC range in dBC -50.0 CH2a_diff_in CH1a-single_in Ch2a_single_in CH2b_single_in -60.0 -70.0 -80.0 -90.0 Frequency in MHz Figure 15 - Typical AGC Range / Frequency (Single Ended output) 10 SEMICMF.019 Data Sheet ZL40000 Gain Match / Gain @25C / Vcc (5dB to 0dB AGC range) 0.3 Gain Difference Out2-Out1 0.2 Temp = 25C 4.75 0.1 0 -0.1 -0.2 -0.3 5.23 Temp = 25C 4.75 Temp = 25C 5 Temp = 25C 5 Temp = 25C 5.25 Temp = 25C 5.25 5.21 5.14 5.01 4.69 4.14 3.38 2.39 1.29 0.02 -1.49 Typical Gain in dB Figure 16 - Typical Gain Matching / AGC @25C / Vcc Gain Match / Gain @ 25C / Vcc ( 0 to -30dB AGC Range) 1 0.8 Gain Diff Out2- Out1in dB 0.6 0.4 0.2 0 -0.2 -0.4 -0.6 -0.8 -1 0.02 -1.49 -3.22 -5.54 -8.58 -12.73 -18.21 -24.54 -31.56 4.75 4.75 5 5 5.25 5.25 Typical Gain in dB Figure 17 - Typical Gain Match 1 to 2 / Gain @ 25C / Vcc SEMICMF.019 11 ZL40000 Gain Match / Gain @ Vcc =5V / Temp ( 5dB to 0dB AGC Range) 0.4 Data Sheet Gain Difference Out2 Out1 in dB 0.3 0.2 0.1 0 -0.1 -0.2 -0.3 -0.4 5.23 5.21 5.14 5.01 4.69 4.14 3.38 2.39 1.29 0.02 -1.49 -40 -40 25 25 80 80 Typical Gain in dB Figure 18 - Typical Gain Matching / AGC @ 5V Vcc / Temp Gain Matching / Gain @5V Vcc / Temp (0 to - 30dB Gain Range) 6 Gain Diff Out2 -Out1 in dB 4 -40 2 0 -2 -4 -6 0.02 -40 25 25 80 80 -1.49 -3.22 -5.54 -8.58 -12.73 -18.21 -24.54 -31.56 Typical Gain in dB Figure 19 - Typical Gain Matching / AGC @ 5V Vcc / Temp 12 SEMICMF.019 Data Sheet ZL40000 IIP2 Freq @ 25 C / Vcc 60 55 IIP2 in dBM 50 45 40 35 30 50 500 Frequency in MHz Figure 20 - Typical Out1 @ Out2 IIP2 / Frequency @ Max Gain @ 25C / Vcc 4.75 4.75 5 5 5.25 5.25 1000 IIP2 / Freq @ 5V Vcc / Temp @ Max Gain 65 60 55 IIP2 in dBm 50 45 40 35 30 50 500 Freq in MHz 1000 -40 -40 25 25 80 80 Figure 21 - Typical Out1 @ Out2 IIP2 / Frequency @ Max Gain @ 5V Vcc / Temp SEMICMF.019 13 ZL40000 IIP2 / Gain @ 25C / Vcc Data Sheet 48 46 44 42 40 38 36 34 32 30 4 -1 Gain in dB Figure 22 - Typical IIP2 / Gain @ 25C / Vcc @ 500MHz IIP2 in dBm 4.75 5 5.25 -6 -11 IIP2 / Gain @ 5V Vcc / Temp 55 50 IIP2 in dBm 45 40 35 30 4 -1 Gain in dB -6 -11 -40 25 80 Figure 23 - Typical IIP2 / Gain @ 5V Vcc / Temp @ 500MHz 14 SEMICMF.019 Data Sheet ZL40000 Diff IIP2 / Frequency / AGC 60 50 +6dB IIP2 in dBm 40 30 -10dB 20 -20dB 10 0 0 500 1000 1500 2000 IIP2_+6dB IIP2_0dB IIP2_-5dB IIP2_-10dB IIP2_-20dB -5dB 0dB Frequency in MHz Figure 24 - Typical Differential IIP2 / Frequency / AGC Setting Single ended IIP2 / Frequency / AGC 60 50 40 +3dB IIP2 in dBm 30 -5dB 20 -10dB 10 IIP2_3dB IIP2_-5dB IIP2_-10dB IIP2_-20dB 0 -20dB -10 0 500 1000 Frequency in MHz 1500 2000 Figure 25 - Typical Single Ended IIP2 / Frequency / AGC SEMICMF.019 15 ZL40000 IIP3 / Frequency @ Gain = Max / Vcc @ 25C 25 IIP3 in dBm 20 15 10 5 0 50 500 Frequency in MHz 1000 4.75 5 5.25 Data Sheet Figure 26 - Typical Out1, Out2 & Out3 IIP3 / Frequency @ Gain = Max / Vcc @ 25C IIP3 / Freq @ Gain = Max / Temp @ Vcc=5V 25 IIP3 in dBm 20 15 10 5 0 50 500 Frequency in MHz 1000 -40 25 80 Figure 27 - Typical Out1, Out2 & Out3 IIP3 / Frequency @ Gain = Max / Temp @ 5V Vcc 16 SEMICMF.019 Data Sheet ZL40000 IIP3 Variance / Gain @ Vcc=5V / Temp 0.8 0.6 0.4 0.2 0 -0.2 -0.4 -0.6 -0.8 -1 -1.2 4 -1 Gain in dB Figure 28 - Typical IIP3 Variance with AGC @ Vcc=5V /Temp @ 400MHz Delta gain in dB -40 25 80 -6 -11 IIP3 variance / AGC @25C / Vcc 1 Delta IIP3 in dB 0.5 0 -0.5 -1 -1.5 -2 4 -1 Gain in dB Figure 29 - Typical IIP3 variance with AGC @ 25C / Vcc @ 400MHz 4.75 5 5.25 -6 -11 SEMICMF.019 17 ZL40000 IIP3 / Frequency / AGC Setting 25.0 6dB 20.0 15.0 10.0 5.0 -5dB 0.0 -5.0 -10.0 0 500 1000 1500 2000 -20dB -10dB IIP3_+6dB IIP3_0dB IIP3_-5dB IIP3_-10dB IIP3_-20dB 0dB Data Sheet IIP3 in dBm Frequency in MHz Figure 30 - Typical IIP3 @ Max Gain Differential / Frequency Single IIP3 / Frequency / AGC 25.0 +3dB Single Ended IIP3 in dBm 20.0 -5dB 15.0 10.0 IIP3_3dB -10dB 5.0 -20dB IIP3_-5dB IIP3_-10dB IIP3_-20dB 0.0 -5.0 -10.0 0 500 1000 1500 2000 Frequency in MHz Figure 31 - Typical IIP3 Single Ended / Frequency / AGC 18 SEMICMF.019 Data Sheet ZL40000 Out1 & Out2 NF / Frequency @ 25C / Vcc @ Max gain 9.0 8.5 8.0 NF in dB 4.75 7.5 7.0 6.5 6.0 50 300 Frequency in MHz 600 1000 5 5.25 Figure 32 - Typical NF / Frequency @ 25C / Vcc @ Max Gain NF / Frequency @ 5V Vcc / Temp @ Max Gain 9.0 8.5 NF in dB 8.0 -40 7.5 7.0 6.5 6.0 50 300 Frequency in MHz Figure 33 - Typical NF / Frequency @ 5V Vcc / Temp @ Max Gain 25 80 600 1000 SEMICMF.019 19 ZL40000 Data Sheet NF / Gain @ 5V Vcc / Temp measured @ 600MHz 20.0 18.0 16.0 14.0 12.0 10.0 8.0 6.0 4.0 2.0 0.0 5 0 Gain in dB Figure 34 - Typical NF / Gain @ 5V Vcc / Temp measured @ 600MHz NF in dB 4.75 5 5.25 -5 -10 NF / Gain @ 5V Vcc / Temp @ 600MHz 20 18 16 14 12 10 8 6 4 2 0 5 0 Gain in dB -5 -10 NF in dB -40 25 80 Figure 35 - Typical NF / Gain @ 25C / Vcc measured @ 600MHz 20 SEMICMF.019 Data Sheet ZL40000 S11 / Frequency @ 25C / Vcc 50 0 -2 300 600 1000 S11 in dB -4 -6 -8 -10 -12 Frequency in MHz 4.75 5 5.25 Figure 36 - Typical S11 in 50Ohm System ZL40000 Typ Diff CSO1 @ Max Gain / dBmV per Ch / Ch number 10.0 -50 CSO @ 1.25MHz in dBC -55 -60 -65 -70 -75 -80 Power per Ch in dBmV / Ch Ch135_CSO1 Ch117_CSO1 Ch76_CSO1 12.0 14.0 16.0 18.0 20.0 Figure 37 - Typical Differential CSO / Level per Channel @ Max Gain CH136, CH117 and CH76 @ 850MHz, 745MHZ and 499MHz respectively) (Composite signal contains 130 Channels at 6MHz spacing between 50MHz and 850 MHz) SEMICMF.019 21 ZL40000 ZL40000 Typ Diff CTB / Power per Ch / Ch number 10.0 -50 -52 -54 CTB in dBC -56 -58 -60 -62 -64 -66 -68 Power per Ch in dBmV Ch135_CTB Ch117_CTB Ch76_CTB 12.0 14.0 16.0 18.0 20.0 Data Sheet Figure 38 - Typical Differential CTB / Level per Channel @ Max Gain CH136, CH117 and CH76 @ 850MHz, 745MHZ and 499MHz respectively) (Composite signal contains 130 Channels at 6MHz spacing between 50MHz and 850 MHz) ZL40000 Typ Diff CSO1 @ -18dB AGC / Ch power / Ch number 10.0 -50 CSO1@ -12dBAGC in dBC -52 -54 -56 -58 -60 -62 -64 -66 -68 Ch power in dBmV Ch135_CSO1 Ch117_CSO1 Ch76_CSO1 12.0 14.0 16.0 18.0 20.0 Figure 39 - Typical Differential CSO / Level per Channel @ -12dB Gain (CH136, CH117 and CH76 @ 850MHz, 745MHZ and 499MHz respectively) (Composite signal contains 130 Channels at 6MHz spacing between 50MHz and 850 MHz) 22 SEMICMF.019 Data Sheet ZL40000 ZL40000 Typ Diff CTB @ -18dB AGC / Ch power / Ch number 10.0 -50 -52 -54 -56 -58 -60 -62 -64 -66 -68 -70 Ch power in dBmV 12.0 14.0 16.0 18.0 20.0 CTB in dBC Ch135_CTB Ch117_CTB Ch76_CTB Figure 40 - CH136, CH117 and CH76 @ 850MHz, 745MHZ and 499MHz respectively (Composite signal contains 130 Channels at 6MHz spacing between 50MHz and 850 MHz) SEMICMF.019 23 ZL40000 Applications Notes Data Sheet The ZL40000 is a wide band RF signal conditioning and distribution circuit that can be used in many applications. The device has excellent signal handling performance and provides > 40 dB of AGC range over the full operating BW of DC to 2GHz. The device excellent dynamic performance and wide bandwidth make the device ideally suited to providing a separate buffered RF multi carrier signal to multiple tuner applications such as can be found in next generation Set Top Boxes, VCRs, DVDs and TVs for Digital Terrestrial, Cable and Satellite. The device will also satisfy Analogue Terrestrial, Cable and Satellite requirements up to -35dBm / Ch in 130 Carrier Composite signals from 50MHz to 850 MHz with 6MHz channel spacing. The very high signal handling RF AGC stage makes the ZL40000 suitable for use in all wide dynamic range receiver systems operating in the 1MHz to 2GHz band. The ZL40000 has excellent RF AGC performance providing > 40dB AGC range over the full DC to 2GHz operating range. The RF AGC range exceeds 60dBC from DC to 500MHz. Both the excellent RF AGC range and the excellent Multi Carrier performance are achieved as a result of the balanced nature of the circuit. The ZL40000 can be operated both single ended or differential at both the input and the output. The performance achieved with the output signal used differential, increases the RF isolation and adds 20dB improvement above that achieved single ended. It also greatly reduces the second order distortion and inter modulation present at the output. The best performance is achieved when all output ports are connected to balanced loads and if a particular channel is to be used single ended output, the unused output should be terminated with a matching load. The excellent RF range and high BW AGC control port makes the ZL40000 suitable for applications in which fast level control or RF Signal Switching is required such as may be found in Instrumentation. The RF AGC attenuator can be switched through 60dB of AGC range typically 15nS. A pair of ZL4000 with cross coupled outputs and a broad band quadrature phase shift unit can be used to build a broad band RF phase rotator that could be used in Agile Active Antenna Arrays for Transmitters with fast beam steering. 24 SEMICMF.019 For more information about all Zarlink products visit our Web Site at www.zarlink.com Information relating to products and services furnished herein by Zarlink Semiconductor Inc. trading as Zarlink Semiconductor or its subsidiaries (collectively "Zarlink") is believed to be reliable. However, Zarlink assumes no liability for errors that may appear in this publication, or for liability otherwise arising from the application or use of any such information, product or service or for any infringement of patents or other intellectual property rights owned by third parties which may result from such application or use. Neither the supply of such information or purchase of product or service conveys any license, either express or implied, under patents or other intellectual property rights owned by Zarlink or licensed from third parties by Zarlink, whatsoever. Purchasers of products are also hereby notified that the use of product in certain ways or in combination with Zarlink, or non-Zarlink furnished goods or services may infringe patents or other intellectual property rights owned by Zarlink. This publication is issued to provide information only and (unless agreed by Zarlink in writing) may not be used, applied or reproduced for any purpose nor form part of any order or contract nor to be regarded as a representation relating to the products or services concerned. The products, their specifications, services and other information appearing in this publication are subject to change by Zarlink without notice. No warranty or guarantee express or implied is made regarding the capability, performance or suitability of any product or service. Information concerning possible methods of use is provided as a guide only and does not constitute any guarantee that such methods of use will be satisfactory in a specific piece of equipment. It is the user's responsibility to fully determine the performance and suitability of any equipment using such information and to ensure that any publication or data used is up to date and has not been superseded. Manufacturing does not necessarily include testing of all functions or parameters. These products are not suitable for use in any medical products whose failure to perform may result in significant injury or death to the user. All products and materials are sold and services provided subject to Zarlink's conditions of sale which are available on request. Purchase of Zarlink's I2C components conveys a licence under the Philips I2C Patent rights to use these components in an I2C System, provided that the system conforms to the I2C Standard Specification as defined by Philips. Zarlink and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc. Copyright 2002, Zarlink Semiconductor Inc. All Rights Reserved. TECHNICAL DOCUMENTATION - NOT FOR RESALE |
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