BCR119SH6327 - INFINEON TECHNOLOGIES AG

 2004 Microchip Technology Inc. DS21451D-page 1

MTC6501/2/3/4

Features

• 5-Pin SOT-23A

• Factory-programmed Thresholds from

-45°C to +125°C in 10°C Increments

• Pin Selectable +2°C or +10°C Hysteresis

• ±0.5°C (Typ) Threshold Accuracy Over Full

Temperature Range

• No External Components Required

• 17 µA Supply Current (Typ)

Applications

• Thermal Management in PCs and Servers

• Over-temperature Fail-safe Circuits

• Simple Fan Controller

• Temperature Alarms

• Projectors/Printers

• Notebook Computers

•Network Boxes

Package Types

General Description

The TC6501/2/3/4 are SOT-23 temperature switches

that require no external components and are available

with factory-programmed temperature thresholds. A

choice of factory-trimmed temperature trip points are

also available. Pin-selectable hysteresis of +2°C or

+10°C allows flexibility to the design of the application.

These parts typically consume only 17 µA of current

and operate over the entire -55°C to +135°C

temperature range, while offering accuracies of ±0.5°C

(typ).

The TC6501 and TC6503 have an open-drain, active-

low output, which targets microcontroller reset control.

The TC6502 and TC6504 have a CMOS, active-high

output designed to drive the logic level MOSFET that

turns on a fan or heater element.

The TC6501/TC6502 are designed for hot temperature

monitoring (+35°C to +125°C). These devices assert a

logic signal when the temperature goes above the

threshold. The TC6503/TC6504 are optimized for cold

temperature monitoring (-45°C to +15°C) and assert a

logic signal when the temperature goes below the

threshold.

The TC6501/2/3/4 are offered with five standard tem-

perature thresholds. Available in 5-Pin SOT-23A pack-

ages, these parts are ideal for applications requiring

high integration, small size, low power and low installed

cost.

Functional Block Diagram

TOVER TC6502

HYST

TC6501

TC6502

VCC

GND

Note: 5-Pin SOT-23A is equivalent to EIAJ SC-74A

TUNDER TC6503

TUNDER TC6504

HYST

TC6503

TC6504

VCC

GND

TOVER TC6501

GND GNDHYST

+2.7V to +5.5V

INT

PICmicro

OVER

TC6502

GND

100 pF

Microcontroller

Ultra Small Temperature Switches

with Pin Selectable Hysteresis

TC6501/2/3/4

DS21451D-page 2  2004 Microchip Technology Inc.

1.0 ELECTRICAL

CHARACTERISTICS

Absolute Maximum Ratings*

Supply Voltage (VCC) .............................. -0.3V to +7V

Input Current (All Pins) .......................................20 mA

Output Current (All Pins) ....................................20 mA

Operating Temperature Range..........- 55°C to +135°C

Storage Temperature Range.............- 65°C to +165°C

TOVER (TC6501)....................................... -0.3V to +7V

TOVER (TC6502)......................... -0.3V to (VCC + 0.3V)

TUNDER (TC6503)....................................... -0.3V to 7V

TUNDER (TC6504)....................... -0.3V to (VCC + 0.3V)

All Other Pins ............................. -0.3V to (VCC + 0.3V)

Maximum Junction Temperature, TJ.................. 150°C

Power Dissipation (TA = +70°C):

(Derate 7.1 mW/°C Above +70°C) ...............570 mW

* Notice: Stresses above those listed under “Maximum

Ratings” may cause permanent damage to the device.

This is a stress rating only and functional operation of

the device at these or any other conditions above those

indicated in the operational sections of the specifica-

tions is not implied. Exposure to maximum rating con-

ditions for extended periods may affect device

reliability.

ELECTRICAL SPECIFICATIONS

Electrical Characteristics: Unless otherwise noted, VCC = +2.7V to +5.5V, RPULL-UP = 100 kΩ (TC6501/TC6503 only), 100 pF

decoupling capacitor from VCC to GND, TAMB = -55°C to +135°C. Typical values are at TA = +25°C.

Parameter Symbol Min Typ Max Unit Test Conditions

Supply Voltage Range VCC 2.7 — 5.5 V

Supply Current ICC —17 40µA

HYST Input Threshold VIH 0.8 x VCC — —V

HYST Input Threshold VIL — — 0.2 x VCC V

Temperature Threshold Accuracy (Note 1) ∆TTH -6 ±0.5 6 °C -45°C to -25°C

-4 ±0.5 4 °C -15°C to +15°C

-4 ±0.5 4 °C +35°C to +65°C

-6 ±0.5 6 °C +75°C to +125°C

Temperature Threshold Hysteresis THYST — 2.0 — °C HYST = GND

—10 — °CHYST = V

Output Voltage High VOH 0.8 x VCC — — VI

SOURCE = 500 µA, VCC > 2.7V

(TC6502/TC6504 Only)

VCC - 1.5 — — V ISOURCE = 800 µA, VCC > 4.5V

(TC6502/TC6504 Only)

Output Voltage Low VOL —— 0.3VI

SINK = 1.2 mA, VCC > 2.7V

—— 0.4VI

SINK = 3.2 mA, VCC > 4.5V

Open-Drain Output Leakage Current — 10 — nA VCC = 2.7V, TUNDER = 5.5V

(TC6503); TOVER = 5.5V

(TC6501)

Note 1: The TC6501/2/3/4 are available with internal, factory-programmed temperature trip thresholds from -45°C to +125°C, in

+10°C increments.

 2004 Microchip Technology Inc. DS21451D-page 3

TC6501/2/3/4

2.0 TYPICAL PERFORMANCE CURVES

Note: Unless otherwise noted, VCC = 5.0V, RPULL-UP = 100 kΩ (TC6501/TC6503 only), 100 pF decoupling

capacitor from VCC to GND, TAMB = +25°C.

FIGURE 2-1: Trip Threshold Accuracy.

FIGURE 2-2: Output Sink Resistance vs.

Temperature.

FIGURE 2-3: Thermal Step Response in

Perfluorinated Fluid (SOT-23).

FIGURE 2-4: Supply Current vs.

Temperature.

FIGURE 2-5: Hysteresis vs. Trip

Temperature.

FIGURE 2-6: Thermal Step Response in

Still Air (SOT-23).

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.

-5 -3-4 -1-2 1032

Accuracy (˚C)

Frequency

01020304050

Temperature (˚C)

Output Resistance (Ω)

060 70 80 90 10

VCC = 2.7V

VCC

= 4.0V

VCC = 5.0V

+15˚C/div

+100˚C

+25˚C

5sec/div

Mounted On 0.75 in2

of 2 oz. Copper

-60 -40 -20 0 20 40

Temperature (˚C)

Supply Current (µA)

060 80100 120 14

Trip Temperature (˚C)

Hysteresis (˚C)

-45

0-25 -5 15 35 55 75 95 11

HYS = GND

HYST = VCC

TC6503/04

TC6501/02

+12.5 C/div

+100˚C

+25˚C

20sec/div

Mounted On 0.75 in2

of 2 oz. Copper

TC6501/2/3/4

DS21451D-page 4  2004 Microchip Technology Inc.

Note: Unless otherwise noted, VCC = 5.0V, RPULL-UP = 100 kΩ (TC6501/TC6503 only), 100 pF decoupling

capacitor from VCC to GND, TAMB = +25°C.

FIGURE 2-7: Output Source Resistance

vs. Temperature (TC6502).

0 20 40 60 80 100

Temperature (˚C)

Output Source Resistance (Ω)

180

160

140

120

100

180

20 14

120

VCC = 2.7V

VCC = 4.0V

VCC = 5.0V

 2004 Microchip Technology Inc. DS21451D-page 5

TC6501/2/3/4

3.0 PIN DESCRIPTIONS

The descriptions of the pins are listed in Table 3-1.

TABLE 3-1: PIN FUNCTION TABLE

3.1 Ground

Connect the device ground pins directly to the PCB

ground and minimize the length of the connection. The

thermal resistance to the die is at a minimum at Pin 2.

3.2 Hysteresis Input (HYST)

Either 2°C (GND) or 10°C (VCC) of hysteresis is

selected by connecting HYST to GND or VCC.

3.3 Supply Input (VCC)

A 100 pF or greater decoupling capacitor from VCC to

GND is recommended.

3.4 Open-Drain, Active-Low Output

(TC6501) (TOVER)

The voltage at the TOVER pin is equal to a logic-low

level if the sensor detects a temperature that is greater

than the factory-programmed threshold temperature.

Because this is an open-drain output, an external pull-

up resistor is required (a 100 kΩ pull-up resistor is

recommended). The voltage on this pin can be higher

than VCC, though the voltage must not exceed the

absolute maximum input voltage of 7.0V.

3.5 Push/Pull Active-High Output

(TC6502) (TOVER)

The voltage at TOVER is equal to a logic-high level if the

sensor detects a temperature greater than the factory-

programmed threshold temperature.

3.6 Open-Drain, Active-Low Output

(TC6503) (TUNDER)

The voltage at the TUNDER pin is equal to a logic-low

level if the sensor detects a temperature that is less

than the factory-programmed threshold temperature.

Because this is an open-drain output, an external pull-

up resistor is required (a 100 kΩ pull-up resistor is

recommended). The voltage on this pin can be higher

than VCC, though the voltage must not exceed the

absolute maximum input voltage of 7.0V

3.7 Push/Pull Active-High Output

(TC6504) (TUNDER)

The voltage at TUNDER is equal to a logic-high level if

the sensor detects a temperature less than the factory-

programmed threshold temperature.

TC6501 TC6502 TC6503 TC6504 Symbol Description

1, 21, 21, 21, 2GNDGround

3 3 3 3 HYST Hysteresis Input

44 4 4V

CC Supply Input (+2.7V to +5.5V)

5———T

OVER Open-Drain, Active-Low Output

—5 ——T

OVER Push/Pull Active-High Output

—— 5 —T

UNDER Open-Drain, Active-Low Output

—— — 5T

UNDER Push/Pull Active-High Output

TC6501/2/3/4

DS21451D-page 6  2004 Microchip Technology Inc.

4.0 DETAILED DESCRIPTION

The TC6501/2/3/4 integrate a temperature sensor with

a factory-programmed threshold switch (see Functional

Block Diagrams in Figure 5-4 through Figure 5-7). A

logic signal is asserted when the die temperature

crosses the factory-programmed threshold. An external

hysteresis input pin allows the user to select either 2°C

or 10°C hysteresis to give further flexibility to the design

of the application. The TC6501 and TC6502 are

intended for a temperature range of 35°C to 125°C in

10°C increments. The TC6501 has an open-drain

output, while the TC6502 has a push-pull output stage.

The TC6503 and TC6504 are intended for a cold

temperature range of -45°C to +15°C in 10°C

increments. The TC6503 has an open-drain output,

while the TC6504 has a push/pull output stage. The

TC6501 and TC6503 are intended for applications with

a microcontroller reset input. The TC6502 and TC6504

are intended for applications where a fan or heater

element is turned on.

Please contact Microchip Technology for the availabil-

ity of a particular temperature threshold not included in

Table 4-1.

4.1 Hysteresis Input

To prevent the output from “chattering” at or near the

trip point temperature, a selectable HYST input pin is

provided. Hysteresis can be externally selected at 2°C

(HYST = GND) or 10°C (HYST = VCC) by means of the

CMOS compatible HYST input pin. Do not let the HYST

pin float, as this could cause an increase in supply

current. The hysteresis does not depend on the part’s

programmed trip threshold.

TABLE 4-1: FACTORY-PROGRAMMED

THRESHOLD RANGE

4.2 Thermal Considerations

With a 17 µA typical supply current, the TC6501/2/3/4

dissipates very little power. Thus, the die temperature

is basically the same as the package temperature. To

minimize the error in temperature readings, the load

current should be limited to a few milliamps. For

example, the typical thermal resistance of a 5-Pin SOT-

23A package is 140°C/W. If, for instance, the TC6501

had to sink 1 mA, and the output voltage is ensured to

be less than 0.3V, an additional 0.3 mW of power is

dissipated within the temperature sensor. This

corresponds to a 0.042°C rise in die temperature.

Temperature-monitoring accuracy depends on the

thermal resistance between the device being

monitored and the temperature switch die. Heat flows

primarily through the leads onto the die. Pin 2 provides

the lowest thermal resistance to the die. To achieve the

best temperature-monitoring results, the TC6501/2/3/4

should be placed closest to the device being

monitored. Additionally, a short and wide copper trace

from pin 2 to the device should be used. In some cases,

the 5-Pin SOT-23A package can be placed directly

under the socketed microcontroller for improved ther-

mal contact.

Part Number Threshold (TTH) Range

TC6501 +35°C < TTH < +125°C

TC6502 +35°C < TTH < +125°C

TC6503 -45°C < TTH < +15°C

TC6504 -45°C < TTH < +15°C

 2004 Microchip Technology Inc. DS21451D-page 7

TC6501/2/3/4

5.0 APPLICATIONS

The TC6501 and TC6503 have open-drain outputs and

are, therefore, intended to interface as microcontroller

reset inputs. Moreover, the combination of these two

devices can be used to implement a temperature

window alarm by wire-ORing the outputs and using an

external pull-up resistor (see Figure 5-1).

FIGURE 5-1: Over and Under

Temperature Alarm.

The TC6502 can be used to control a DC fan. The fan

turns on when the sensed temperature rises above the

factory-set threshold and remains on until the

temperature falls below threshold minus the hysteresis

selected. An additional fail-safe measure could be

temperature threshold to alert the user of an impending

thermal shutdown, should the temperature continue to

rise (see Figure 5-2).

FIGURE 5-2: Fan Control with Over

Temperature Alert.

The TC6504, with its push-pull output, may be used in

a similar fashion to turn on a heater element at cold

temperatures (see Figure 5-3).

FIGURE 5-3: TC6504 As Heater

Thermostat.

HYST

VCC

GNDGND HYST

TUNDER

+5V

RPULL-UP

100 kΩ

GND GND

VCC

TOVER

TC6501 TC6503

HYST

100 pF Out of Range

100 pF

HYST

VCC

GNDGND HYST

TUNDER

GND GND

VCC

TOVER

TC6501 TC6503

HYST

Te m p erature

GND

100 pF

HYST

+5V

TOVER

VCC

TC6502PO65

GND GND

HYST

TOVER

VCC

TC6502PO45

Temperature

Fault

Fan Control

GND

HYST

+5V

TOVER

VCC

TC6502PO65

GND GND

HYST

TOVER

VCC

TC6502PO45

GND

HYST

+5V

TOVER

VCC

TC6502

GND GND

HYST

TOVER

VCC

TC6502

100 pF

Heater "On"

TUNDER

TUNDER + 2°C

TC6504

+5V 12V

GND GND HYST

VCC Heater

TUNDER

100 pF

Temperature

Time

TC6501/2/3/4

DS21451D-page 8  2004 Microchip Technology Inc.

FIGURE 5-4: TC6501 Functional Block Diagram.

FIGURE 5-5: TC6502 Functional Block Diagram.

FIGURE 5-6: TC6503 Functional Block Diagram.

FIGURE 5-7: TC6504 Functional Block Diagram.

–

Positive

Temperature

Coefficient

Hysteresis

Selection

TC6501

TEMP

TC6501

with 100 kΩ Pull-Up

COLD +25°C TTH HOT

TOVER

Reference

Negative

Temperature

Coefficient

Reference

HYST

Negative

Temperature

Coefficient

Reference

TC6502

TEMP

TC6502

TOVER

COLD +25°C TTH HOT

–

Positive

Temperature

Coefficient

Hysteresis

Selection

TOVER

Reference

Negative

Temperature

Coefficient

Reference

HYST

TC6503

TEMP

TC6503

COLD TTH HOT +25°C

with 100 kΩ Pull-Up

–

Positive

Temperature

Coefficient

Hysteresis

Selection

Reference

Negative

Temperature

Coefficient

Reference

HYST

TUNDER TUNDER

TC6504

TEMP

TC6504

COLD TTH HOT +25°C

–

Positive

Temperature

Coefficient

Hysteresis

Selection

Reference

Negative

Temperature

Coefficient

Reference

HYST

TUNDER

 2004 Microchip Technology Inc. DS21451D-page 9

TC6501/2/3/4

6.0 PACKAGING INFORMATION

6.1 Package Marking Diagram

Part Number Marking Code Temperature

Threshold (°C)

TC6501P045VCT HA 45

TC6501P065VCT HC 65

TC6501P075VCT HD 75

TC6501P095VCT HF 95

TC6501P105VCT HG 105

TC6501P115VCT HH 115

TC6501P120VCT HV 120

TC6501P125VCT HJ 125

TC6502P045VCT JA 45

TC6502P065VCT JC 65

TC6502P075VCT JD 75

TC6502P095VCT JF 95

TC6502P115VCT JH 115

TC6502P125VCT JJ 125

TC6503N015VCT KA -15

TC6503P005VCT KB 5

TC6504N015VCT LA -15

TC6504P005VCT LB 5

Legend: 1-2 Part Number Marking Code*

3 Year and two-month period code

4 Lot ID

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.

*Standard OTP marking consists of Microchip part number, year code, week code, and traceability code.

cdef

Note: Please contact Microchip Technology for the availability of a particular temperature

threshold not included in Table 4-1.

TC6501/2/3/4

DS21451D-page 10  2004 Microchip Technology Inc.

5-Lead Plastic Small Outline Transistor (CT) (SOT-23)

10501050

Mold Draft Angle Bottom

10501050

Mold Draft Angle Top

0.500.430.35.020.017.014BLead Width

0.200.150.09.008.006.004

Lead Thickness

10501050

Foot Angle

0.550.450.35.022.018.014LFoot Length

3.102.952.80.122.116.110DOverall Length

1.751.631.50.069.064.059E1Molded Package Width

3.002.802.60.118.110.102EOverall Width

0.150.080.00.006.003.000A1Standoff §

1.301.100.90.051.043.035A2Molded Package Thickness

1.451.180.90.057.046.035AOverall Height

1.90.075

Outside lead pitch (basic)

0.95.038

Pitch

Number of Pins

MAXNOMMINMAXNOMMINDimension Limits

MILLIMETERSINCHES*Units

βφ

* Controlling Parameter

Notes:

Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed

.010” (0.254mm) per side.

JEDEC Equivalent: MO-178

Drawing No. C04-091

§ Significant Characteristic

 2004 Microchip Technology Inc. DS21451D-page 11

TC6501/2/3/4

Product Tape and Reel Specification

User Direction of Feed

P, Pitch

Standard Reel Component Orientation Reverse Reel Component Orientation

W, Width

of Carrier

Tape

Pin 1

Device

Marking

TC6501/2/3/4

DS21451D-page 12  2004 Microchip Technology Inc.

NOTES:

 2004 Microchip Technology Inc. DS21451D-page 13

TC6501/2/3/4

PRODUCT IDENTIFICATION SYSTEM

To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office.

Sales and Support

Device: TC6501: Ultra Small Temp Switch with Pin-Selectable

Hysteresis

TC6502: Ultra Small Temp Switch with Pin-Selectable

Hysteresis

TC6503: Ultra Small Temp Switch with Pin-Selectable

Hysteresis

TC6504: Ultra Small Temp Switch with Pin-Selectable

Hysteresis

Standard

Temperature

Threshold:

N015 = -15°C (TC6503, TC6504)

P005 = 5°C (TC6503, TC6504

P045 = 45°C (TC6501, TC6502)

P065 = 65°C (TC6501, TC6502)

P075 = 75°C (TC6501, TC6502)

P095 = 95°C (TC6501, TC6502)

P105 = 105°C (TC6501)

P115 = 115°C (TC6501, TC6502)

P120 = 120°C (TC6501)

P125 = 125°C (TC6501, TC6502)

Package: VCTTR = SOT-23, 5-lead (Tape and Reel)

VCTRT = SOT-23, 5-lead (Reverse Tape and Reel)

(Available only in 95°C and 125°C

temperatures for TC6501)

PART NO. XXXX

Standard

Temperature

Device

Threshold

XXXXX

Package

Examples:

a) TC6501P045VCTTR: 5-Pin SOT-23A, 45°C,

Open-Drain, tape and reel.

b) TC6501P065VCTTR: 5-Pin SOT-23A, 65°C,

Open-Drain, tape and reel.

c) TC6501P095VCTTR: 5-Pin SOT-23A, 95°C,

Open-Drain, tape and reel.

d) TC6501P095VCTRT: 5-Pin SOT-23A, 95°C,

Open-Drain,

reverse tape and reel.

e) TC6501P125VCTRT: 5-Pin SOT-23A, 125°C,

Open-Drain,

reverse tape and reel.

a) TC6502P045VCTTR 5-Pin SOT-23A, 45°C,

Push-Pull, tape and reel.

b) TC6502P065VCTTR 5-Pin SOT-23A, 65°C,

Push-Pull, tape and reel.

c) TC6502P095VCTTR: 5-Pin SOT-23A, 95°C,

Push-Pull, tape and reel.

a) TC6503N015VCTTR 5-Pin SOT-23A, -15°C,

Open-Drain, tape and reel.

b) TC6503P005VCTTR: 5-Pin SOT-23A, 5°C,

Open-Drain, tape and reel.

a) TC6504N015VCTTR: 5-Pin SOT-23A, -15°C,

Push-Pull, tape and reel.

b) TC6504P005VCTTR: 5-Pin SOT-23A, 5°C,

Push-Pull, tape and reel.

Examples:

a) TC6501P045VCTTR: 5-Pin SOT-23A, 45°C,

Open-Drain, tape and reel.

b) TC6501P065VCTTR: 5-Pin SOT-23A, 65°C,

Open-Drain, tape and reel.

c) TC6501P095VCTTR: 5-Pin SOT-23A, 95°C,

Open-Drain, tape and reel.

d) TC6501P095VCTRT: 5-Pin SOT-23A, 95°C,

Open-Drain,

reverse tape and reel.

e) TC6501P125VCTRT: 5-Pin SOT-23A, 125°C,

Open-Drain,

reverse tape and reel.

a) TC6502P045VCTTR 5-Pin SOT-23A, 45°C,

Push-Pull, tape and reel.

b) TC6502P065VCTTR 5-Pin SOT-23A, 65°C,

Push-Pull, tape and reel.

c) TC6502P095VCTTR: 5-Pin SOT-23A, 95°C,

Push-Pull, tape and reel.

a) TC6503N015VCTTR 5-Pin SOT-23A, -15°C,

Open-Drain, tape and reel.

b) TC6503P005VCTTR: 5-Pin SOT-23A, 5°C,

Open-Drain, tape and reel.

a) TC6504N015VCTTR: 5-Pin SOT-23A, -15°C,

Push-Pull, tape and reel.

b) TC6504P005VCTTR: 5-Pin SOT-23A, 5°C,

Push-Pull, tape and reel.

Data Sheets

Products supported by a preliminary Data Sheet may have an errata sheet describing minor operational differences and

recommended workarounds. To determine if an errata sheet exists for a particular device, please contact one of the following:

1. Your local Microchip sales office

2. The Microchip Corporate Literature Center U.S. FAX: (480) 792-7277

3. The Microchip Worldwide Site (www.microchip.com)

Please specify which device, revision of silicon and Data Sheet (include Literature #) you are using.

Customer Notification System

TC6501/2/3/4

DS21451D-page 14  2004 Microchip Technology Inc.

NOTES:

DS21451D-page 15  2004 Microchip Technology Inc.

Information contained in this publication regarding device

applications and the like is intended through suggestion only

and may be superseded by updates. It is your responsibility to

ensure that your application meets with your specifications.

No representation or warranty is given and no liability is

assumed by Microchip Technology Incorporated with respect

to the accuracy or use of such information, or infringement of

patents or other intellectual property rights arising from such

use or otherwise. Use of Microchip’s products as critical com-

ponents in life support systems is not authorized except with

express written approval by Microchip. No licenses are con-

veyed, implicitly or otherwise, under any intellectual property

rights.

Trademarks

The Microchip name and logo, the Microchip logo, Accuron,

dsPIC, KEELOQ, MPLAB, PIC, PICmicro, PICSTART,

PRO MATE and PowerSmart are registered trademarks of

Microchip Technology Incorporated in the U.S.A. and other

countries.

AmpLab, FilterLab, microID, MXDEV, MXLAB, PICMASTER,

SEEVAL, SmartShunt and The Embedded Control Solutions

Company are registered trademarks of Microchip Technology

Incorporated in the U.S.A.

Application Maestro, dsPICDEM, dsPICDEM.net,

dsPICworks, ECAN, ECONOMONITOR, FanSense,

FlexROM, fuzzyLAB, In-Circuit Serial Programming, ICSP,

ICEPIC, microPort, Migratable Memory, MPASM, MPLIB,

MPLINK, MPSIM, PICkit, PICDEM, PICDEM.net, PICtail,

PowerCal, PowerInfo, PowerMate, PowerTool, rfLAB, rfPIC,

Select Mode, SmartSensor, SmartTel and Total Endurance

are trademarks of Microchip Technology Incorporated in the

U.S.A. and other countries.

Serialized Quick Turn Programming (SQTP) is a service mark

of Microchip Technology Incorporated in the U.S.A.

All other trademarks mentioned herein are property of their

respective companies.

Printed on recycled paper.

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-16949:2002 quality system certification for

its worldwide headquarters, design and wafer fabrication facilities in

Chandler and Tempe, Arizona and Mountain View, California in October

2003 . The Company’s quality system processes and procedures are

for its PICmicro® 8-bit MCUs, KEELOQ® code hopping devices, Serial

EEPROMs, microperipherals, non-volatile memory and analog

products. In addition, Microchip’s quality system for the design and

manufacture of development systems is ISO 9001:2000 certified.

DSTEMP

DS21451D-page 16  2004 Microchip Technology Inc.

DS21451D-page 17  2004 Microchip Technology Inc.

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01/08/04

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