MM5450/51 LED Display Driver Features General Description * * * * * * * * The MM5450 and MM5451 LED display drivers are monolithic MOS IC's fabricated in an N-Channel, metal-gate process. The technology produces low-threshold, enhancement-mode, and ion-implanted depletion-mode devices. Continuous Brightness Control Serial Data Input No Load Signal Requirement Enable (MM5450 Only) Wide Power Supply Operation TTL Compatibility 34 or 35 Outputs, 15 mA Capability Alphanumeric Capability A single pin controls the LED display brightness by setting a reference current through a variable resistor connected to the supply. Applications * * * * Industrial Control Indicator Relay Driver Digital Clock, Thermometer, Counter, Voltmeter Instrumentation Readouts Block Diagram VDD 20 BRIGHTNESS CONTROL 19 DATA ENABLE/OUT 35 (See Note 1) SERIAL DATA CLOCK 23 22 OUT 34 OUT 1 24 18 35 OUTPUT BUFFERS 35 LATCHES LOAD 35-BIT SHIFT REGISTER RESET 21 1 RESET (only available in die form) Note 1: Pin in Data Enable in MM5450 Pin in Output 25 in MM5451 2016 Microchip Technology Inc. DS20005651A-page 1 MM5450/51 OUTPUT BIT 18 OUTPUT BIT 19 OUTPUT BIT 20 OUTPUT BIT 21 OUTPUT BIT 22 OUTPUT BIT 23 V SS OUTPUT BIT 14 OUTPUT BIT 15 OUTPUT BIT 16 OUTPUT BIT 17 OUTPUT BIT 13 Connection Diagram: Die OUTPUT BIT 12 OUTPUT BIT 24 OUTPUT BIT 25 OUTPUT BIT 26 OUTPUT BIT 11 OUTPUT BIT 10 OUTPUT BIT 9 OUTPUT BIT 8 OUTPUT BIT 7 MM5450/5451 DIE PINOUT V SS OUTPUT BIT 27 OUTPUT BIT 28 OUTPUT BIT 29 V SS OUTPUT BIT 6 OUTPUT BIT 5 OUTPUT BIT 4 OUTPUT BIT 30 OUTPUT BIT 31 OUTPUT BIT 32 OUTPUT BIT 3 OUTPUT BIT 33 OUTPUT BIT 34 OUTPUT BIT 35 ENABLE DATA CLK V DD BRIGTNESS CONTROL RESET OUTPUT BIT 1 OUTPUT BIT 2 DS20005651A-page 2 2016 Microchip Technology Inc. MM5450/51 Connection Diagram: Dual-Inline Package (DIP) V SS 1 40 OUTPUT BIT 18 V SS 1 40 OUTPUT BIT 18 OUTPUT BIT 17 2 39 OUTPUT BIT 19 OUTPUT BIT 17 2 39 OUTPUT BIT 19 OUTPUT BIT 16 3 38 OUTPUT BIT 20 OUTPUT BIT 16 3 38 OUTPUT BIT 20 OUTPUT BIT 15 4 37 OUTPUT BIT 21 OUTPUT BIT 15 4 37 OUTPUT BIT 21 OUTPUT BIT 14 5 36 OUTPUT BIT 22 OUTPUT BIT 14 5 36 OUTPUT BIT 22 OUTPUT BIT 13 6 35 OUTPUT BIT 23 OUTPUT BIT 13 6 35 OUTPUT BIT 23 OUTPUT BIT 12 7 34 OUTPUT BIT 24 OUTPUT BIT 12 7 34 OUTPUT BIT 24 OUTPUT BIT 11 8 33 OUTPUT BIT 25 OUTPUT BIT 11 8 33 OUTPUT BIT 25 OUTPUT BIT 10 9 32 OUTPUT BIT 26 OUTPUT BIT 10 9 32 OUTPUT BIT 26 OUTPUT BIT 9 10 31 OUTPUT BIT 27 OUTPUT BIT 9 10 31 OUTPUT BIT 27 OUTPUT BIT 8 11 30 OUTPUT BIT 28 OUTPUT BIT 8 11 30 OUTPUT BIT 28 OUTPUT BIT 7 12 29 OUTPUT BIT 29 OUTPUT BIT 7 12 29 OUTPUT BIT 29 OUTPUT BIT 6 13 28 OUTPUT BIT 30 OUTPUT BIT 6 13 28 OUTPUT BIT 30 OUTPUT BIT 5 14 27 OUTPUT BIT 31 OUTPUT BIT 5 14 27 OUTPUT BIT 31 OUTPUT BIT 4 15 26 OUTPUT BIT 32 OUTPUT BIT 4 15 26 OUTPUT BIT 32 OUTPUT BIT 3 16 25 OUTPUT BIT 33 OUTPUT BIT 3 16 25 OUTPUT BIT 33 OUTPUT BIT 2 17 24 OUTPUT BIT 34 OUTPUT BIT 2 17 24 OUTPUT BIT 34 OUTPUT BIT 1 18 23 DATA ENABLE OUTPUT BIT 1 18 23 OUTPUT BIT 35 22 DATA IN 22 DATA IN 21 CLOCK IN BRIGHTNESS 19 CONTROL V DD 20 21 CLOCK IN MM5450YN BRIGHTNESS 19 CONTROL V DD 20 MM5451YN 3 2 OUTPUT BIT 21 4 1 44 43 42 41 OUTPUT BIT 22 5 OUTPUT BIT 20 6 OUTPUT BIT 19 40 NC 41 OUTPUT BIT 18 42 OUTPUT BIT 17 43 VSS 44 OUTPUT BIT 16 OUTPUT BIT 22 1 OUTPUT BIT 15 OUTPUT BIT 21 2 OUTPUT BIT 14 OUTPUT BIT 20 3 OUTPUT BIT 19 OUTPUT BIT 17 4 OUTPUT BIT 18 OUTPUT BIT 16 5 VSS OUTPUT BIT 15 6 NC OUTPUT BIT 14 Connection Diagram: Plastic-Leaded Chip Carrier (PLCC) 40 OUTPUT BIT 13 7 39 OUTPUT BIT 23 OUTPUT BIT 13 7 39 OUTPUT BIT 23 OUTPUT BIT 12 8 38 OUTPUT BIT 24 OUTPUT BIT 12 8 38 OUTPUT BIT 24 OUTPUT BIT 11 9 37 OUTPUT BIT 25 OUTPUT BIT 11 9 37 OUTPUT BIT 25 OUTPUT BIT 10 10 36 OUTPUT BIT 26 OUTPUT BIT 10 10 36 OUTPUT BIT 26 OUTPUT BIT 9 11 35 OUTPUT BIT 27 OUTPUT BIT 9 11 35 OUTPUT BIT 27 34 NC 34 NC OUTPUT BIT 8 13 33 OUTPUT BIT 28 OUTPUT BIT 8 13 33 OUTPUT BIT 28 OUTPUT BIT 7 14 32 OUTPUT BIT 29 OUTPUT BIT 7 14 32 OUTPUT BIT 29 OUTPUT BIT 6 15 31 OUTPUT BIT 30 OUTPUT BIT 6 15 31 OUTPUT BIT 30 OUTPUT BIT 5 16 30 OUTPUT BIT 31 OUTPUT BIT 5 16 30 OUTPUT BIT 31 OUTPUT BIT 4 17 29 OUTPUT BIT 32 OUTPUT BIT 4 17 29 OUTPUT BIT 32 MM5450YV NC 12 24 25 26 27 28 OUTPUT BIT 33 23 OUTPUT BIT 35 BRIGHTNESS CONTROL 22 OUTPUT BIT 34 21 DATA IN 20 CLOCK IN 19 VDD 18 NC 28 OUTPUT BIT 1 2016 Microchip Technology Inc. 27 OUTPUT BIT 2 26 OUTPUT BIT 3 BRIGHTNESS CONTROL 25 OUTPUT BIT 34 OUTPUT BIT 1 24 OUTPUT BIT 33 OUTPUT BIT 2 23 DATA ENABLE OUTPUT BIT 3 22 DATA IN 21 CLOCK IN 20 VDD 19 NC 18 MM5451YV NC 12 DS20005651A-page 3 MM5450/51 1.0 ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings Voltage (Any Pin)................................................................................................................................... VSS to VSS + 12V Power Dissipation (+25C) ...........................................................................................................................................1W Power Dissipation (+85C) ...................................................................................................................................560 mW Operating Ratings Supply Voltage (VDD - VSS) ..................................................................................................................... +4.75V to +11V Notice: Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational sections of this specification is not intended. Exposure to maximum rating conditions for extended periods may affect device reliability. Notice: The device is not guaranteed to function outside its operating ratings. DS20005651A-page 4 2016 Microchip Technology Inc. MM5450/51 TABLE 1-1: ELECTRICAL CHARACTERISTICS Electrical Characteristics: 4.5V VDD 11V, VSS = 0V; TA = 25C, bold values valid for -40C TA +85C, unless otherwise noted. Parameter Symbol Power Supply Current -- Data Input Voltage Brightness Control Input Current Output Sink Current Min. Typ. Max. -- -- 8.5 10 Units mA Conditions -25C to +85C, excluding output loads -- -- VL -0.3 -- 0.8 Logic-0 level, 10 A input bias VH 2.2 -- VDD Logic-1 level, 4.75V VDD 5.25V -- VDD - 2 -- VDD -- 0 -- 0.75 -- -- 10 -- 0 -- 10 2.0 2.7 4 15 -- 25 4.3 V VDD > 5.25V mA Note 1 A Segment on, VOUT = 1.8V, Note 2; Brightness input = 0 A Segment off, VOUT = 3.0V mA Brightness Control Input Voltage -- 3.0 -- -40C to +85C, excluding output loads V Segment on, VOUT = 1.8V, Note 2; Brightness input = 100 A Segment on, VOUT = 1.8V, Note 2; Brightness input = 750 A Input current = 750 A Output Matching -- -- -- 20 % Note 3, Note 4 Clock Input Frequency fC -- -- 500 kHz Note 5, Note 6 Clock Input High Time tH 950 -- -- ns Note 5, Note 6 Clock Input Low Time tL 950 -- -- ns Note 5, Note 6 Data Input Setup Time tDS 300 -- -- ns -- Data Input Hold Setup Time tDH 300 -- -- ns -- Data Enable Input Setup Time tDES 100 -- -- ns -- Reset Pad Current -- -8 -- 8 A Die. Note 1: 2: 3: 4: 5: 6: With a fixed resistor on the brightness input pin, some variation in brightness will occur among devices. See Figure 2-1, Figure 2-2, and Figure 2-3 for recommended operating conditions and limits. Absolute maximum for each output should be limited to 40 mA. Output matching is calculated as the percent variation of (IMAX + IMIN) / 2. VOUT should be regulated by user. See Figure 2-2 and Figure 2-3 for allowable VOUT vs. IOUT operation. AC input waveform specification for test purpose: tR 200 ns, tF 20 ns, f = 500 kHz, 50% 10% duty cycle. Clock input rise and fall times must not exceed 300 ns. 2016 Microchip Technology Inc. DS20005651A-page 5 MM5450/51 TEMPERATURE SPECIFICATIONS (Note 1) Parameters Sym. Min. Typ. Max. Units Conditions Ambient Temperature Range TA -40 -- +85 C -- Storage Temperature Range TS -65 -- +150 C -- Junction Temperature TJ -- -- +150 C -- Lead Temperature -- -- -- +300 C -- Temperature Ranges Note 1: The maximum allowable power dissipation is a function of ambient temperature, the maximum allowable junction temperature and the thermal resistance from junction to air (i.e., TA, TJ, JA). Exceeding the maximum allowable power dissipation will cause the device operating junction temperature to exceed the maximum +125C rating. Sustained junction temperatures above +125C can impact the device reliability. DS20005651A-page 6 2016 Microchip Technology Inc. MM5450/51 2.0 TYPICAL PERFORMANCE CURVES The graphs and tables provided following this note are a statistical summary based on a limited number of samples and are provided for informational purposes only. The performance characteristics listed herein are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified operating range (e.g., outside specified power supply range) and therefore outside the warranted range. Note: 110 T A = 85C VOUT = 1V 100 OUTPUT CURRENT (mA) 90 80 VOUT = 1.5V 70 60 VOUT = 2V 50 40 30 20 10 0 0 5 10 15 20 25 30 35 NUMBER OF SEGMENTS FIGURE 2-1: of Segments. Output Current vs. Number 2.5 TA = 85C TJ = 150C (MAX) 2.0 20 SE G SE M GM SE GM 34 VOUT (VO ) 30 1.5 1.0 0.5 0 0 4 8 12 16 20 24 28 ILED (mA) FIGURE 2-2: Current. Output Voltage vs. LED 1.0 34 SEGMENTS VOUT = 1V 15 mA/SEGMENT POWER DISSIPATION (W) 0.8 0.6 SAFE OPERATING AREA 0.4 0.2 0 0 20 40 60 80 100 TEMPERATURE (C) FIGURE 2-3: Temperature. Power Dissipation vs. 2016 Microchip Technology Inc. DS20005651A-page 7 MM5450/51 3.0 FUNCTIONAL DESCRIPTION The MM5450 and MM5451 are designed to drive either 4- or 5-digit alphanumeric LED displays with the added benefit of requiring minimal interface with the display or data source. Data is transferred serially via two signals: clock and serial data. Data transfer without the added inconvenience of an external load signal is accomplished by using a format of a leading "1" followed by the allowed 35 data bits. These 35 data bits are latched after the 36th has been transferred. This scheme provides non-multiplexed, direct drive to the LED display. Characters currently displayed (thus, data output) changes only if the serial data bits differ from those previously transferred. There must be a complete set of 36 clocks or the shift registers will not clear. When the chip first powers ON, an internal power ON reset signal is generated that resets all registers and all latches. The START bit and the first clock return the chip to its normal operation. The Connection Diagram: Dual-Inline Package (DIP) and Connection Diagram: Plastic-Leaded Chip Carrier (PLCC) show the pinout of the MIC5450 and MIC5451. Bit 1 is the first bit following the start bit and it will appear on pin 18. A logical "1" at the input will turn on the appropriate LED. Figure 3-2 shows the timing relationships between data, clock and /DATA ENABLE. A maximum clock frequency of 0.5 MHz is assumed. Control of the output current for LED displays provides for the display brightness. To prevent oscillations, a 1 nF capacitor should be connected to pin 19, brightness control. The Block Diagram is shown on page 1. For the MIC5450, the /DATA ENABLE is a metal option and is used instead of the 35th output. The output current is typically 20-times greater than the current into pin 19, which is set by an external variable resistor. There is an external reset connection shown which is available on unpackaged (die) only. Connection Diagram: Die illustrates the die pad locations for bonding in "chip on board" applications. Figure 3-1 shows the input data format. A leading "1" is followed by 35 bits of data. After the 36th had been transferred, a LOAD signal is generated synchronously with the clock high state. This loads the 35 bits of data into the latches. The low side of the clock is used to generate a RESET signal which clears all shift registers for the next set of data. All shift registers are static master-slave, with no clear for the master portion of the first register, allowing continuous operation. CLOCK DATA 300 nS MIN DATA ENABLE 100 nS MIN FIGURE 3-2: For applications where a lesser number of outputs is used, it is possible to either increase the current per output, or operate the part at higher than 1V VOUT. The following equation can be used for calculations. EQUATION 3-1: o T J = V OUT I LED No of segments 124 C/W + T A Where: TJ 1 36 CLOCK START BIT 1 BIT 35 BIT 36 DATA Voltage at the LED driver outputs ILED LED current TA RESET (INTERNAL) DS20005651A-page 8 Junction Temperature (+150C max.) VOUT 124C/W Thermal resistance of the package LOAD (INTERNAL) FIGURE 3-1: 37 Timing Diagram. Input Data Format. Ambient temperature Equation 3-1 is used to plot Figure 2-1, Figure 2-2, and Figure 2-3. 2016 Microchip Technology Inc. MM5450/51 4.0 TYPICAL APPLICATIONS RAW DC !9 9 LM317 5V 240 1k 9 I 19 - 5k LM324 20 2N2907 + I 19 = 9 9 20 1K CD4046 (VCO) PIN 19 Q 19 MM5450 10 S 1 MM5450 1 MM74HC123 FIGURE 4-1: Typical Application of Constant Current Brightness Control. FIGURE 4-2: the Duty Cycle. Brightness Control Varying LED DISPLAY AM FM 34 MM5450 DISPLAY DRIVER KEYBOARD ELECTRONIC TUNING CONTROLLER PLL SYNTHESIZER STATION DETECT, ETC. FIGURE 4-3: Basic Electronically Tuned Radio System. 2016 Microchip Technology Inc. DS20005651A-page 9 MM5450/51 VLED = 3.0V VLED = 3.0V VLED 9-16 VLED 2-8, 40 32-39 24-31 MM5450 18 21 22 19 20 CLOCK IN DATA IN BRIGHTNESS CONTROL FIGURE 4-4: DS20005651A-page 10 1 23 17 VDD 100k TYP. Duplexing Eight Digits with One MM5450. 2016 Microchip Technology Inc. MM5450/51 5.0 PACKAGING INFORMATION 5.1 Package Marking Information 40-Pin PDIP* Example XXXXXX XXXXXXXX WNNN MICREL MM5451YN 6235 44-Pin PLCC* XXXXXX XXXXXXXX WNNN Legend: XX...X Y YY WW NNN e3 * Example MICREL MM5450YV 8943 Product code or customer-specific information Year code (last digit of calendar year) Year code (last 2 digits of calendar year) Week code (week of January 1 is week `01') Alphanumeric traceability code Pb-free JEDEC(R) designator for Matte Tin (Sn) This package is Pb-free. The Pb-free JEDEC designator ( e3 ) can be found on the outer packaging for this package. , , Pin one index is identified by a dot, delta up, or delta down (triangle mark). Note: In the event the full Microchip part number cannot be marked on one line, it will be carried over to the next line, thus limiting the number of available characters for customer-specific information. Package may or may not include the corporate logo. Underbar (_) and/or Overbar () symbol may not be to scale. 2016 Microchip Technology Inc. DS20005651A-page 11 MM5450/51 40-Lead PDIP Package Outline and Recommended Land Pattern Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging. DS20005651A-page 12 2016 Microchip Technology Inc. MM5450/51 44-Lead PLCC Package Outline and Recommended Land Pattern Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging. 2016 Microchip Technology Inc. DS20005651A-page 13 MM5450/51 NOTES: DS20005651A-page 14 2016 Microchip Technology Inc. MM5450/51 APPENDIX A: REVISION HISTORY Revision A (October 2016) * Converted Micrel document MM5450/51 to Microchip data sheet DS20005651A. * Minor text changes throughout. * Corrected Pin 26 of the MM5451YV in Connection Diagram: Plastic-Leaded Chip Carrier (PLCC) to read Output Bit 35. * Corrected the minimum value for Reset Pad Current in Table 1-1 to be -8 A. 2016 Microchip Technology Inc. DS20005651A-page 15 MM5450/51 NOTES: DS20005651A-page 16 2016 Microchip Technology Inc. MM5450/51 PRODUCT IDENTIFICATION SYSTEM To order or obtain information, e.g., on pricing or delivery, contact your local Microchip representative or sales office. PART NO. XX X - Examples: XX a) MM5450YN: LED Display Driver with Enable -40C to +85C Junction Temperature Range, 40-Lead PDIP, 9/Tube b) MM5450YV: LED Display Driver with Enable -40C to +85C Junction Temperature Range, 44-Lead PLCC, 26/Tube c) MM5450YV-TR: LED Display Driver with Enable -40C to +85C Junction Temperature Range, 44-Lead PLCC, 500/Reel a) MM5451YN: LED Display Driver -40C to +85C Junction Temperature Range, 40-Lead PDIP, 9/Tube b) MM5451YV: LED Display Driver -40C to +85C Junction Temperature Range, 44-Lead PLCC, 26/Tube c) MM5451YV-TR: LED Display Driver -40C to +85C Junction Temperature Range, 44-Lead PLCC, 500/Reel Device Junction Package Media Type Temperature Range Device: MM5450: MM5451: Junction Temperature Range: Y Package: N V Media Type: = = = LED Display Driver (with Enable) LED Display Driver -40C to +85C 40-Lead PDIP 44-Lead PLCC TR = 500/Reel for V Package (blank)= 9/Tube for N Package (blank)= 26/Tube for V Package Note 1: 2016 Microchip Technology Inc. Tape and Reel identifier only appears in the catalog part number description. This identifier is used for ordering purposes and is not printed on the device package. Check with your Microchip Sales Office for package availability with the Tape and Reel option. DS20005651A-page 17 MM5450/51 NOTES: DS20005651A-page 18 2016 Microchip Technology Inc. Note the following details of the code protection feature on Microchip devices: * Microchip products meet the specification contained in their particular Microchip Data Sheet. * Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the intended manner and under normal conditions. * There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip's Data Sheets. Most likely, the person doing so is engaged in theft of intellectual property. * Microchip is willing to work with the customer who is concerned about the integrity of their code. * Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not mean that we are guaranteeing the product as "unbreakable." Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our products. Attempts to break Microchip's code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act. Information contained in this publication regarding device applications and the like is provided only for your convenience and may be superseded by updates. It is your responsibility to ensure that your application meets with your specifications. MICROCHIP MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED, WRITTEN OR ORAL, STATUTORY OR OTHERWISE, RELATED TO THE INFORMATION, INCLUDING BUT NOT LIMITED TO ITS CONDITION, QUALITY, PERFORMANCE, MERCHANTABILITY OR FITNESS FOR PURPOSE. Microchip disclaims all liability arising from this information and its use. Use of Microchip devices in life support and/or safety applications is entirely at the buyer's risk, and the buyer agrees to defend, indemnify and hold harmless Microchip from any and all damages, claims, suits, or expenses resulting from such use. No licenses are conveyed, implicitly or otherwise, under any Microchip intellectual property rights unless otherwise stated. Trademarks The Microchip name and logo, the Microchip logo, AnyRate, dsPIC, FlashFlex, flexPWR, Heldo, JukeBlox, KeeLoq, KeeLoq logo, Kleer, LANCheck, LINK MD, MediaLB, MOST, MOST logo, MPLAB, OptoLyzer, PIC, PICSTART, PIC32 logo, RightTouch, SpyNIC, SST, SST Logo, SuperFlash and UNI/O are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. ClockWorks, The Embedded Control Solutions Company, ETHERSYNCH, Hyper Speed Control, HyperLight Load, IntelliMOS, mTouch, Precision Edge, and QUIET-WIRE are registered trademarks of Microchip Technology Incorporated in the U.S.A. Analog-for-the-Digital Age, Any Capacitor, AnyIn, AnyOut, BodyCom, chipKIT, chipKIT logo, CodeGuard, dsPICDEM, dsPICDEM.net, Dynamic Average Matching, DAM, ECAN, EtherGREEN, In-Circuit Serial Programming, ICSP, Inter-Chip Connectivity, JitterBlocker, KleerNet, KleerNet logo, MiWi, motorBench, MPASM, MPF, MPLAB Certified logo, MPLIB, MPLINK, MultiTRAK, NetDetach, Omniscient Code Generation, PICDEM, PICDEM.net, PICkit, PICtail, PureSilicon, RightTouch logo, REAL ICE, Ripple Blocker, Serial Quad I/O, SQI, SuperSwitcher, SuperSwitcher II, Total Endurance, TSHARC, USBCheck, VariSense, ViewSpan, WiperLock, Wireless DNA, and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. Microchip received ISO/TS-16949:2009 certification for its worldwide headquarters, design and wafer fabrication facilities in Chandler and Tempe, Arizona; Gresham, Oregon and design centers in California and India. The Company's quality system processes and procedures are for its PIC(R) MCUs and dsPIC(R) DSCs, KEELOQ(R) code hopping devices, Serial EEPROMs, microperipherals, nonvolatile memory and analog products. In addition, Microchip's quality system for the design and manufacture of development systems is ISO 9001:2000 certified. QUALITY MANAGEMENT SYSTEM CERTIFIED BY DNV == ISO/TS 16949 == 2016 Microchip Technology Inc. Silicon Storage Technology is a registered trademark of Microchip Technology Inc. in other countries. GestIC is a registered trademarks of Microchip Technology Germany II GmbH & Co. KG, a subsidiary of Microchip Technology Inc., in other countries. All other trademarks mentioned herein are property of their respective companies. (c) 2016, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. 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