2016 Microchip Technology Inc. DS20005651A-page 1
MM5450/51
Features
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
Applications
Industrial Control Indicator
Relay Driver
Digital Clock, Thermometer, Counter, Voltmeter
Instrumentation Readouts
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.
A single pin controls the LED display brightness by
setting a reference current through a variable resistor
connected to the supply.
Block Diagram
35 OUTPUT BUFFERS
35 LATCHES
35-BIT SHIFT
REGISTER
LOAD
RESET RESET
(only available
in die form)
SERIAL DATA 22
CLOCK 21
DATA ENABLE/OUT 35
(See Note 1)
23
19
20 24
OUT 34
18
OUT 1
1
BRIGHTNESS
CONTROL
VDD
Note 1: Pin in Data Enable in MM5450
Pin in Output 25 in MM5451
LED Display Driver
MM5450/51
DS20005651A-page 2 2016 Microchip Technology Inc.
Connection Diagram: Die
V
OUTPUT BIT 24
MM5450/5451
DIE PINOUT
OUTPUT BIT 25
OUTPUT BIT 26
OUTPUT BIT 27
OUTPUT BIT 28
OUTPUT BIT 29
OUTPUT BIT 30
OUTPUT BIT 31
OUTPUT BIT 32
OUTPUT BIT 33
SS
V
OUTPUT BIT 13
OUTPUT BIT 14
OUTPUT BIT 15
OUTPUT BIT 16
OUTPUT BIT 17
OUTPUT BIT 22
OUTPUT BIT 23
OUTPUT BIT 18
OUTPUT BIT 19
OUTPUT BIT 20
OUTPUT BIT 21
SS
VSS
OUTPUT BIT 12
OUTPUT BIT 11
OUTPUT BIT 10
OUTPUT BIT 9
OUTPUT BIT 8
OUTPUT BIT 7
OUTPUT BIT 6
OUTPUT BIT 5
OUTPUT BIT 4
OUTPUT BIT 3
V
OUTPUT BIT 34
OUTPUT BIT 35
ENABLE
DATA
CLK
BRIGTNESS CONTROL
RESET
OUTPUT BIT 1
OUTPUT BIT 2
DD
2016 Microchip Technology Inc. DS20005651A-page 3
MM5450/51
Connection Diagram: Dual-Inline Package (DIP)
Connection Diagram: Plastic-Leaded Chip Carrier (PLCC)
1 40
2 39
3 38
4 37
5 36
6 35
7 34
8 33
9 32
10 31
11 30
12 29
13 28
14 27
15 26
16 25
17 24
18 23
19 22
20 21
OUTPUT BIT 18
CLOCK IN
MM5450YN
VSS
VDD
OUTPUT BIT 17
OUTPUT BIT 16
OUTPUT BIT 15
OUTPUT BIT 14
OUTPUT BIT 13
OUTPUT BIT 12
OUTPUT BIT 11
OUTPUT BIT 10
OUTPUT BIT 9
OUTPUT BIT 8
OUTPUT BIT 7
OUTPUT BIT 6
OUTPUT BIT 5
OUTPUT BIT 4
OUTPUT BIT 3
OUTPUT BIT 2
OUTPUT BIT 1
BRIGHTNESS
CONTROL DATA IN
DATA ENABLE
OUTPUT BIT 19
OUTPUT BIT 20
OUTPUT BIT 21
OUTPUT BIT 22
OUTPUT BIT 23
OUTPUT BIT 24
OUTPUT BIT 25
OUTPUT BIT 26
OUTPUT BIT 27
OUTPUT BIT 28
OUTPUT BIT 29
OUTPUT BIT 30
OUTPUT BIT 31
OUTPUT BIT 32
OUTPUT BIT 33
OUTPUT BIT 34
1 40
2 39
3 38
4 37
5 36
6 35
7 34
8 33
9 32
10 31
11 30
12 29
13 28
14 27
15 26
16 25
17 24
18 23
19 22
20 21
OUTPUT BIT 18
CLOCK IN
MM5451YN
VSS
VDD
OUTPUT BIT 17
OUTPUT BIT 16
OUTPUT BIT 15
OUTPUT BIT 14
OUTPUT BIT 13
OUTPUT BIT 12
OUTPUT BIT 11
OUTPUT BIT 10
OUTPUT BIT 9
OUTPUT BIT 8
OUTPUT BIT 7
OUTPUT BIT 6
OUTPUT BIT 5
OUTPUT BIT 4
OUTPUT BIT 3
OUTPUT BIT 2
OUTPUT BIT 1
BRIGHTNESS
CONTROL DATA IN
OUTPUT BIT 19
OUTPUT BIT 20
OUTPUT BIT 21
OUTPUT BIT 22
OUTPUT BIT 23
OUTPUT BIT 24
OUTPUT BIT 25
OUTPUT BIT 26
OUTPUT BIT 27
OUTPUT BIT 28
OUTPUT BIT 29
OUTPUT BIT 30
OUTPUT BIT 31
OUTPUT BIT 32
OUTPUT BIT 33
OUTPUT BIT 34
OUTPUT BIT 35
12
39
3
38
4
37
5
36
7
35
8
34
9
33
10
32
11
31
12
30
13
29
14
15
16
17
MM5450YV
VSS
OUTPUT BIT 15
OUTPUT BIT 14
OUTPUT BIT 16
OUTPUT BIT 17
OUTPUT BIT 13
OUTPUT BIT 12
OUTPUT BIT 11
OUTPUT BIT 10
OUTPUT BIT 9
OUTPUT BIT 8
OUTPUT BIT 7
OUTPUT BIT 6
OUTPUT BIT 5
OUTPUT BIT 4
OUTPUT BIT 23
OUTPUT BIT 24
OUTPUT BIT 25
OUTPUT BIT 26
OUTPUT BIT 27
NC
OUTPUT BIT 28
OUTPUT BIT 29
OUTPUT BIT 30
OUTPUT BIT 31
OUTPUT BIT 32
NC
6 44 43 42 41 40
NC
OUTPUT BIT 18
OUTPUT BIT 19
OUTPUT BIT 20
OUTPUT BIT 21
OUTPUT BIT 3
OUTPUT BIT 2
OUTPUT BIT 1
BRIGHTNESS CONTROL
NC
CLOCK IN
DATA IN
DATA ENABLE
OUTPUT BIT 34
OUTPUT BIT 33
232221201918 24 25 26 27 28
OUTPUT BIT 22
VDD
12
39
3
38
4
37
5
36
7
35
8
34
9
33
10
32
11
31
12
30
13
29
14
15
16
17
MM5451YV
VSS
OUTPUT BIT 14
OUTPUT BIT 15
OUTPUT BIT 16
OUTPUT BIT 17
OUTPUT BIT 13
OUTPUT BIT 12
OUTPUT BIT 11
OUTPUT BIT 10
OUTPUT BIT 9
OUTPUT BIT 8
OUTPUT BIT 7
OUTPUT BIT 6
OUTPUT BIT 5
OUTPUT BIT 4
OUTPUT BIT 23
OUTPUT BIT 24
OUTPUT BIT 25
OUTPUT BIT 26
OUTPUT BIT 27
NC
OUTPUT BIT 28
OUTPUT BIT 29
OUTPUT BIT 30
OUTPUT BIT 31
OUTPUT BIT 32
NC
6 44 43 42 41 40
NC
OUTPUT BIT 18
OUTPUT BIT 19
OUTPUT BIT 20
OUTPUT BIT 21
OUTPUT BIT 3
OUTPUT BIT 2
OUTPUT BIT 1
BRIGHTNESS CONTROL
NC
CLOCK IN
DATA IN
OUTPUT BIT 35
OUTPUT BIT 34
OUTPUT BIT 33
232221201918 24 25 26 27 28
OUTPUT BIT 22
VDD
MM5450/51
DS20005651A-page 4 2016 Microchip Technology Inc.
1.0 ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings †
Voltage (Any Pin)................................................................................................................................... VSS to VSS + 12V
Power Dissipation (+25°C) ...........................................................................................................................................1W
Power Dissipation (+85°C) ...................................................................................................................................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.
2016 Microchip Technology Inc. DS20005651A-page 5
MM5450/51
TABLE 1-1: ELECTRICAL CHARACTERISTICS
Electrical Characteristics: 4.5V VDD 11V, VSS = 0V; TA = 25°C, bold values valid for –40°C TA +85°C,
unless otherwise noted.
Parameter Symbol Min. Typ. Max. Units Conditions
Power Supply Current ——8.5 mA –25°C to +85°C, excluding output loads
——10 –40°C to +85°C, excluding output loads
Data Input Voltage
VL–0.3 0.8
V
Logic-0 level, ±10 µA input bias
VH2.2 VDD Logic-1 level, 4.75V VDD 5.25V
VDD
2VDD VDD > 5.25V
Brightness Control Input
Current 00.75 mA Note 1
Output Sink Current
——10
µA
Segment off, VOUT = 3.0V
010 Segment on, VOUT = 1.8V, Note 2;
Brightness input = 0 µA
2.0 2.7 4
mA
Segment on, VOUT = 1.8V, Note 2;
Brightness input = 100 µA
15 25 Segment on, VOUT = 1.8V, Note 2;
Brightness input = 750 µA
Brightness Control Input
Voltage 3.0 4.3 V Input current = 750 µA
Output Matching ±20 %Note 3, Note 4
Clock Input Frequency fC——500 kHz Note 5, Note 6
Clock Input High Time tH950 ——ns Note 5, Note 6
Clock Input Low Time tL950 ——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 µA Die.
Note 1: With a fixed resistor on the brightness input pin, some variation in brightness will occur among devices.
2: 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.
3: Output matching is calculated as the percent variation of (IMAX + IMIN) / 2.
4: VOUT should be regulated by user. See Figure 2-2 and Figure 2-3 for allowable VOUT vs. IOUT operation.
5: AC input waveform specification for test purpose: tR 200 ns, tF 20 ns, f = 500 kHz, 50% ±10% duty
cycle.
6: Clock input rise and fall times must not exceed 300 ns.
MM5450/51
DS20005651A-page 6 2016 Microchip Technology Inc.
TEMPERATURE SPECIFICATIONS (Note 1)
Parameters Sym. Min. Typ. Max. Units Conditions
Temperature Ranges
Ambient Temperature Range TA–40 +85 °C
Storage Temperature Range TS–65 +150 °C
Junction Temperature TJ +150 °C
Lead Temperature +300 °C
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 +125°C rating. Sustained junction temperatures above +125°C can impact the device reliability.
2016 Microchip Technology Inc. DS20005651A-page 7
MM5450/51
2.0 TYPICAL PERFORMANCE CURVES
FIGURE 2-1: Output Current vs. Number
of Segments.
FIGURE 2-2: Output Voltage vs. LED
Current.
FIGURE 2-3: Power Dissipation vs.
Temperature.
Note: 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.
110
100
90
80
70
60
50
40
30
20
10
0
0 5 10 15 20 25 30 35
NUMBER OF SEGMENTS
OUTPUT CURRENT (mA)
V = 1V
OUT
V = 1.5V
OUT
V = 2V
OUT
T = 85°C
A
2.5
2.0
1.5
1.0
0.5
0
0481216202428
I (mA)
LED
V (V )
OUT O
T = 85°C
T = 150°C (MAX)
A
J
20 SEGM
30 SEGM
34 SEGM
1.0
0.8
0.6
0.4
0.2
0
020406080
TEMPERATURE (°C)
POWER DISSIPATION (W)
34 SEGMENTS
V = 1V
15 mA/SEGMENT
OUT
SAFE OPERATING
AREA
100
MM5450/51
DS20005651A-page 8 2016 Microchip Technology Inc.
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.
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.
FIGURE 3-1: Input Data Format.
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.
FIGURE 3-2: Timing Diagram.
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:
Equation 3-1 is used to plot Figure 2-1, Figure 2-2, and
Figure 2-3.
CLOCK
1
DATA
LOAD
(INTERNAL)
RESET
(INTERNAL)
START BIT 1 BIT 36
36 37
BIT 35
TJVOUT ILED
No of segments124oC/W TA
+=
Where:
TJJunction Temperature (+150°C max.)
VOUT Voltage at the LED driver outputs
ILED LED current
124°C/W Thermal resistance of the package
TAAmbient temperature
2016 Microchip Technology Inc. DS20005651A-page 9
MM5450/51
4.0 TYPICAL APPLICATIONS
FIGURE 4-1: Typical Application of
Constant Current Brightness Control. FIGURE 4-2: Brightness Control Varying
the Duty Cycle.
FIGURE 4-3: Basic Electronically Tuned Radio System.
LM324
MM5450
LM317
+
¨9
240
ȍ
RAW DC
!9
¨9
1K
I19 =
2N2907
I19
PIN 19
9
20
1
5k
9
1k
CD4046
(VCO)
5V
MM74HC123
10 μS
MM5450
Q19
20
1
LED DISPLAY
34
MM5450
DISPLAY DRIVER
ELECTRONIC
TUNING
CONTROLLER
PLL
SYNTHESIZER
KEYBOARD
STATION DETECT, ETC.
AM
FM
MM5450/51
DS20005651A-page 10 2016 Microchip Technology Inc.
FIGURE 4-4: Duplexing Eight Digits with One MM5450.
9–16 2–8, 40 32–39 24–31
18 21 22 19 20 1 23 17
100k
TYP.
MM5450
VLED VLED
VLED = 3.0V VLED = 3.0V
CLOCK IN
DATA IN VDD
BRIGHTNESS
CONTROL
2016 Microchip Technology Inc. DS20005651A-page 11
MM5450/51
5.0 PACKAGING INFORMATION
5.1 Package Marking Information
40-Pin PDIP* Example
XXXXXX
WNNN
XXXXXXXX
MICREL
6235
MM5451YN
44-Pin PLCC* Example
XXXXXX
WNNN
XXXXXXXX
MICREL
8943
MM5450YV
Legend: XX...X Product code or customer-specific information
Y Year code (last digit of calendar year)
YY Year code (last 2 digits of calendar year)
WW Week code (week of January 1 is week ‘01’)
NNN Alphanumeric traceability code
Pb-free JEDEC® designator for Matte Tin (Sn)
*This package is Pb-free. The Pb-free JEDEC designator ( )
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.
3
e
3
e
MM5450/51
DS20005651A-page 12 2016 Microchip Technology Inc.
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.
2016 Microchip Technology Inc. DS20005651A-page 13
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.
MM5450/51
DS20005651A-page 14 2016 Microchip Technology Inc.
NOTES:
2016 Microchip Technology Inc. DS20005651A-page 15
MM5450/51
APPENDIX A: REVISION HISTORY
Revision A (October 2016)
Converted Micrel document MM5450/51 to Micro-
chip 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 Cur-
rent in Table 1-1 to be –8 µA.
MM5450/51
DS20005651A-page 16 2016 Microchip Technology Inc.
NOTES:
2016 Microchip Technology Inc. DS20005651A-page 17
MM5450/51
PRODUCT IDENTIFICATION SYSTEM
To order or obtain information, e.g., on pricing or delivery, contact your local Microchip representative or sales office.
Examples:
a) MM5450YN: LED Display Driver with Enable
–40°C to +85°C Junction
Temperature Range, 40-Lead
PDIP, 9/Tube
b) MM5450YV: LED Display Driver with Enable
–40°C to +85°C Junction
Temperature Range, 44-Lead
PLCC, 26/Tube
c) MM5450YV-TR: LED Display Driver with Enable
–40°C to +85°C Junction
Temperature Range, 44-Lead
PLCC, 500/Reel
a) MM5451YN: LED Display Driver
–40°C to +85°C Junction
Temperature Range, 40-Lead
PDIP, 9/Tube
b) MM5451YV: LED Display Driver
–40°C to +85°C Junction
Temperature Range, 44-Lead
PLCC, 26/Tube
c) MM5451YV-TR: LED Display Driver
–40°C to +85°C Junction
Temperature Range, 44-Lead
PLCC, 500/Reel
PART NO. XX
Package
Device
Device: MM5450: LED Display Driver (with Enable)
MM5451: LED Display Driver
Junction
Temperature
Range:
Y = –40°C to +85°C
Package: N = 40-Lead PDIP
V = 44-Lead PLCC
Media Type: TR = 500/Reel for V Package
(blank)= 9/Tube for N Package
(blank)= 26/Tube for V Package
X
Junction
XX
Media Type
Temperature R ange
Note 1: 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.
MM5450/51
DS20005651A-page 18 2016 Microchip Technology Inc.
NOTES:
2016 Microchip Technology Inc. DS20005651A-page 19
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.
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.
© 2016, Microchip Technology Incorporated, Printed in the
U.S.A., All Rights Reserved.
ISBN: 978-1-5224-1052-2
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.
Microchip received ISO/TS-16949:2009 certification for its worldwide
headquarters, design and wafer fabrication facili ties 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® MCUs and dsPIC® DSCs, KEELOQ® code hopping
devices, Serial EEPROMs, micro perip hera ls, n onvolat ile memory and
analog products . In add ition, Microchip’s quality system for the design
and manufacture of development systems is ISO 9001:2000 certified.
QUALITYMANAGEMENTS
YSTEM
CERTIFIEDBYDNV
== ISO/TS16949==
DS20005651A-page 20 2016 Microchip Technology Inc.
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Fax: 86-25-8473-2470
China - Qingdao
Tel: 86-532-8502-7355
Fax: 86-532-8502-7205
China - Shanghai
Tel: 86-21-5407-5533
Fax: 86-21-5407-5066
China - Shenyang
Tel: 86-24-2334-2829
Fax: 86-24-2334-2393
China - Shenzhen
Tel: 86-755-8864-2200
Fax: 86-755-8203-1760
China - Wuhan
Tel: 86-27-5980-5300
Fax: 86-27-5980-5118
China - Xian
Tel: 86-29-8833-7252
Fax: 86-29-8833-7256
ASIA/PACIFIC
China - Xiamen
Tel: 86-592-2388138
Fax: 86-592-2388130
China - Zhuhai
Tel: 86-756-3210040
Fax: 86-756-3210049
India - Bangalore
Tel: 91-80-3090-4444
Fax: 91-80-3090-4123
India - New Delhi
Tel: 91-11-4160-8631
Fax: 91-11-4160-8632
India - Pune
Tel: 91-20-3019-1500
Japan - Osaka
Tel: 81-6-6152-7160
Fax: 81-6-6152-9310
Japan - Tokyo
Tel: 81-3-6880- 3770
Fax: 81-3-6880-3771
Korea - Daegu
Tel: 82-53-744-4301
Fax: 82-53-744-4302
Korea - Seoul
Tel: 82-2-554-7200
Fax: 82-2-558-5932 or
82-2-558-5934
Malaysia - Kuala Lumpur
Tel: 60-3-6201-9857
Fax: 60-3-6201-9859
Malaysia - Penang
Tel: 60-4-227-8870
Fax: 60-4-227-4068
Philippines - Manila
Tel: 63-2-634-9065
Fax: 63-2-634-9069
Singapore
Tel: 65-6334-8870
Fax: 65-6334-8850
Taiwan - Hsin Chu
Tel: 886-3-5778-366
Fax: 886-3-5770-955
Taiwan - Kaohsiung
Tel: 886-7-213-7828
Taiwan - Taipei
Tel: 886-2-2508-8600
Fax: 886-2-2508-0102
Thailand - Bangkok
Tel: 66-2-694-1351
Fax: 66-2-694-1350
EUROPE
Austria - Wels
Tel: 43-7242-2244-39
Fax: 43-7242-2244-393
Denmark - Copenhagen
Tel: 45-4450-2828
Fax: 45-4485-2829
France - Paris
Tel: 33-1-69-53-63-20
Fax: 33-1-69-30-90-79
Germany - Dusseldorf
Tel: 49-2129-3766400
Germany - Karlsruhe
Tel: 49-721-625370
Germany - Munich
Tel: 49-89-627-144-0
Fax: 49-89-627-144-44
Italy - Milan
Tel: 39-0331-742611
Fax: 39-0331-466781
Italy - Venice
Tel: 39-049-7625286
Netherlands - Drunen
Tel: 31-416-690399
Fax: 31-416-690340
Poland - Warsaw
Tel: 48-22-3325737
Spain - Madrid
Tel: 34-91-708-08-90
Fax: 34-91-708-08-91
Sweden - Stockholm
Tel: 46-8-5090-4654
UK - Wokingham
Tel: 44-118-921-5800
Fax: 44-118-921-5820
Worldwide Sales and Service
06/23/16