PCA9533DP01 [NXP]

4-bit I2C LED dimmer; 4位I2C LED调光器


型号：	PCA9533DP01
厂家：	NXP
描述：	4-bit I2C LED dimmer 4位I2C LED调光器
文件：	总18页 (文件大小：133K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

INTEGRATED CIRCUITS

PCA9533

4-bit I²C LED dimmer

Product data sheet

2004 Oct 01

Supersedes data of 2003 Sep 19

Philips

Semiconductors

Philips Semiconductors

Product data sheet

4-bit I²C LED dimmer

PCA9533

the duty cycle to vary the amount of time the LED is on and thus the

average current through the LED.

The initial setup sequence programs the two blink rates/duty cycles

for each individual PWM. From then on, only one command from the

bus master is required to turn individual LEDs ON, OFF, BLINK

RATE 1 or BLINK RATE 2. Based on the programmed frequency

and duty cycle, BLINK RATE 1 and BLINK RATE 2 will cause the

LEDs to appear at a different brightness or blink at periods up to

1.69 second. The open drain outputs directly drive the LEDs with

maximum output sink current of 25 mA per bit and 100 mA per

package.

FEATURES

• 4 LED drivers (on, off, flashing at a programmable rate)

To blink LEDs at periods greater than 1.69 second the bus master

(MCU, MPU, DSP, chipset, etc.) must send repeated commands to

turn the LED on and off as is currently done when using normal I/O

Expanders like the Philips PCF8574 or PCA9554. Any bits not used

for controlling the LEDs can be used for General Purpose Parallel

Input/Output (GPIO) expansion which provides a simple solution

when additional I/O is needed for ACPI power switches, sensors,

pushbuttons, alarm monitoring, fans, etc.

• 2 selectable, fully programmable blink rates (frequency and duty

cycle) between 0.591 Hz and 152 Hz (1.69 seconds and

6.58 milliseconds)

• 256 brightness steps

• Input/outputs not used as LED drivers can be used as regular

GPIOs

Power-On Reset (POR) initializes the registers to their default state

causing the bits to be set HIGH (LED off).

• Internal oscillator requires no external components

• I C interface logic compatible with SMBus

Due to pin limitations, the PCA9533 is not featured with hardware

address pins. The PCA9533/01 and the PCA9533/02 have different

• Internal power-on reset

fixed I C addresses allowing operation of both on the same bus.

• Noise filter on SCL/SDA inputs

• 4 open drain outputs directly drive LEDs to 25 mA

• Edge rate control on outputs

• No glitch on power-up

PIN CONFIGURATION

LED0

LED1

LED2

SDA

SCL

• Supports hot insertion

• Low stand-by current

LED3

• Operating power supply voltage range of 2.3 V to 5.5 V

• 0 to 400 kHz clock frequency

SW01035

• ESD protection exceeds 2000 V HBM per JESD22-A114,

Figure 1. Pin configuration

150 V MM per JESD22-A115 and 1000 V CDM per JESD22-C101

• Latch-up testing is done to JEDEC Standard JESD78 which

PIN DESCRIPTION

exceeds 100 mA

NUMBER

SYMBOL

FUNCTION

LED driver 0

• Packages offered: SO8, TSSOP8 (MSOP8)

LED0

LED1

LED2

LED driver 1

DESCRIPTION

The PCA9533 is a 4-bit I C and SMBus I/O expander optimized for

LED driver 2

dimming LEDs in 256 discrete steps for Red/Green/Blue (RGB)

color mixing and back light applications.

Supply ground

LED driver 3

LED3

SCL

The PCA9533 contains an internal oscillator with two user

Serial clock line

Serial data line

Supply voltage

programmable blink rates and duty cycles coupled to the output

PWM. The LED brightness is controlled by setting the blink rate high

enough (> 100 Hz) that the blinking cannot be seen and then using

SDA

2004 Oct 01

Philips Semiconductors

Product data sheet

4-bit I²C LED dimmer

PCA9533

ORDERING INFORMATION

PACKAGES

TEMPERATURE RANGE

ORDER CODE

TOPSIDE MARK

DRAWING NUMBER

8-Pin Plastic SO

–40 °C to +85 °C

PCA9533D/01

PCA9533D/02

PCA9533DP/01

PCA9533DP/02

P9533/1

P9533/2

P33/1

SOT96-1

SOT505-1

8-Pin Plastic TSSOP

P33/2

Standard packing quantities and other packaging data are available at www.standardproducts.philips.com/packaging.

I C is a trademark of Philips Semiconductors Corporation.

BLOCK DIAGRAM

PCA9533

INPUT

SCL

INPUT

FILTERS

I C-BUS

LED SELECT (LSx)

CONTROL

SDA

LEDx

POWER-ON

RESET

BLINK0

BLINK1

PWM0

PRESCALER 0

PWM1

PRESCALER 1

OSCILLATOR

SW02046

NOTE: ONLY ONE I/O SHOWN FOR CLARITY

Figure 2. Block diagram

2004 Oct 01

Philips Semiconductors

Product data sheet

4-bit I²C LED dimmer

PCA9533

DEVICE ADDRESSING

CONTROL REGISTER DEFINITION

Following a START condition the bus master must output the

address of the slave it is accessing. The address of the PCA9533/01

is shown in Figure 3 and PCA9533/02 in Figure 4.

NAME

FUNCTION

TYPE

INPUT

READ

SLAVE ADDRESS

READ/

WRITE

FREQUENCY

PRESCALER 0

PSC0

PWM0

PSC1

PWM1

LS0

R/W

READ/

WRITE

PWM

SW01037

Figure 3. Slave address — PCA9533/01

READ/

WRITE

FREQUENCY

PRESCALER 1

SLAVE ADDRESS

READ/

WRITE

PWM

R/W

READ/

WRITE

LED SELECTOR

SW01038

Figure 4. Slave address — PCA9533/02

INPUT — INPUT REGISTER

The last bit of the address byte defines the operation to be

performed. When set to logic 1 a read is selected while a logic 0

selects a write operation.

LED LED LED LED

bit

CONTROL REGISTER

Default

Following the successful acknowledgement of the slave address,

the bus master will send a byte to the PCA9533 which will be stored

in the Control Register.

The INPUT register reflects the state of the device pins. Writes to

this register will be acknowledged but will have no effect.

NOTE: The default value “X” is determined by the externally applied

logic level, normally ‘1’ when used for directly driving LED with

B2 B1 B0

pull-up to V

PSC0 — FREQUENCY PRESCALER 0

AUTO-INCREMENT FLAG

bit

RESET STATE: 00h

default

SW01034

PSC0 is used to program the period of the PWM output.

Figure 5. Control register

(PSC0 ) 1)

The period of BLINK0 +

152

The lowest 3 bits are used as a pointer to determine which register

will be accessed.

PWM0 — PWM REGISTER 0

bit

If the auto-increment flag is set, the three low order bits of the

Control Register are automatically incremented after a read or write.

This allows the user to program the registers sequentially. The

contents of these bits will rollover to ‘000’ after the last register is

accessed.

default

The PWM0 register determines the duty cycle of BLINK0. The

outputs are LOW (LED on) when the count is less than the value in

PWM0 and HIGH (LED off) when it is greater. If PWM0 is

programmed with 00h, then the PWM0 output is always HIGH

(LED off) .

When auto-increment flag is set (AI = 1) and a read sequence is

initiated, the sequence must start by reading a register different from

the input register (B2 B1 B0 0 0 0 0).

PWM0

The duty cycle of BLINK0 is:

256

Only the 3 least significant bits are affected by the AI flag.

Unused bits must be programmed with zeroes.

PSC1 — FREQUENCY PRESCALER 1

bit

default

PSC1 is used to program the period of PWM output.

(PSC1 ) 1)

The period of BLINK1 +

152

2004 Oct 01

Philips Semiconductors

Product data sheet

4-bit I²C LED dimmer

PCA9533

PWM1 — PWM REGISTER 1

PINS USED AS GENERAL PURPOSE I/Os

LED pins not used to control LEDs can be used as general purpose

I/Os.

bit

default

For use as input: Set LEDx to high-impedance (00) and then read

the pin state via the input register.

The PWM1 register determines the duty cycle of BLINK1. The

outputs are LOW (LED on) when the count is less than the value in

PWM1 and HIGH (LED off) when it is greater. If PWM1 is

programmed with 00h, then the PWM1 output is always HIGH

(LED off).

For use as output: Connect external pull-up resistor to the pin and

size it according to the DC recommended operating characteristics.

LED output pin is HIGH when the output is programmed as

high-impedance, and LOW when the output is programmed LOW

through the “LED selector” register. The output can be pulse-width

controlled when PWM0 or PWM1 are used.

PWM1

The duty cycle of BLINK1 is:

256

LS0 — LED SELECTOR

LED3

LED2

LED 1

LED 0

bit

POWER-ON RESET

default

When power is applied to V , an internal Power-On Reset holds

the PCA9533 in a reset condition until V has reached V

this point, the reset condition is released and the PCA9533 registers

are initialized to their default states, with all outputs in the off state.

. At

POR

The LSx LED select registers determine the source of the LED data.

00 = Output is set Hi-Z (LED off – default)

01 = Output is set LOW (LED on)

Thereafter, V must be lowered below 0.2 V to reset the device.

10 = Output blinks at PWM0 rate

11 = Output blinks at PWM1 rate

2004 Oct 01

Philips Semiconductors

Product data sheet

4-bit I²C LED dimmer

PCA9533

CHARACTERISTICS OF THE I C-BUS

Start and stop conditions

The I C-bus is for 2-way, 2-line communication between different ICs

Both data and clock lines remain HIGH when the bus is not busy. A

HIGH-to-LOW transition of the data line, while the clock is HIGH is

defined as the start condition (S). A LOW-to-HIGH transition of the

data line while the clock is HIGH is defined as the stop condition (P)

(see Figure 7).

or modules. The two lines are a serial data line (SDA) and a serial

clock line (SCL). Both lines must be connected to a positive supply

via a pull-up resistor when connected to the output stages of a device.

Data transfer may be initiated only when the bus is not busy.

System configuration

Bit transfer

A device generating a message is a transmitter: a device receiving

is the receiver. The device that controls the message is the master

and the devices which are controlled by the master are the slaves

(see Figure 8).

One data bit is transferred during each clock pulse. The data on the

SDA line must remain stable during the HIGH period of the clock

pulse as changes in the data line at this time will be interpreted as

control signals (see Figure 6).

SDA

SCL

data line

stable;

data valid

change

of data

allowed

SW00363

Figure 6. Bit transfer

SDA

SCL

START condition

STOP condition

SW00365

Figure 7. Definition of start and stop conditions

SDA

SCL

MASTER

TRANSMITTER/

RECEIVER

SLAVE

TRANSMITTER/

RECEIVER

MASTER

TRANSMITTER/

RECEIVER

SLAVE

RECEIVER

I C

MASTER

TRANSMITTER

MULTIPLEXER

SLAVE

SW00366

Figure 8. System configuration

2004 Oct 01

Philips Semiconductors

Product data sheet

4-bit I²C LED dimmer

PCA9533

Acknowledge

The number of data bytes transferred between the start and the stop conditions from transmitter to receiver is not limited. Each byte of eight bits

is followed by one acknowledge bit. The acknowledge bit is a HIGH level put on the bus by the transmitter whereas the master generates an

extra acknowledge related clock pulse.

A slave receiver which is addressed must generate an acknowledge after the reception of each byte. Also a master must generate an

acknowledge after the reception of each byte that has been clocked out of the slave transmitter. The device that acknowledges has to pull down

the SDA line during the acknowledge clock pulse, so that the SDA line is stable LOW during the HIGH period of the acknowledge related clock

pulse, set-up and hold times must be taken into account.

A master receiver must signal an end of data to the transmitter by not generating an acknowledge on the last byte that has been clocked out of

the slave. In this event, the transmitter must leave the data line HIGH to enable the master to generate a stop condition.

DATA OUTPUT

BY TRANSMITTER

not acknowledge

DATA OUTPUT

BY RECEIVER

acknowledge

SCL FROM

MASTER

clock pulse for

acknowledgement

START condition

SW00368

Figure 9. Acknowledgement on the I C-bus

2004 Oct 01

Philips Semiconductors

Product data sheet

4-bit I²C LED dimmer

PCA9533

Bus transactions

SCL

slave address

command byte

data to register

DATA 1

SDA

B2 B1 B0

start condition

R/W acknowledge

from slave

acknowledge

from slave

acknowledge

from slave

WRITE TO

DATA OUT

FROM PORT

DATA 1 VALID

SW02002

Figure 10. WRITE to register

acknowledge

from slave

acknowledge

from slave

acknowledge

from slave

acknowledge

from master

slave address

data from register

DATA

B2 B1 B0

first byte

R/W

auto-increment

if AI = 1

at this moment master-transmitter

becomes master-receiver and

slave-receiver becomes

slave-transmitter

no acknowledge

from master

data from register

DATA

last byte

SW02001

Figure 11. READ from register

slave address

data from port

SDA

DATA 1

DATA 4

start condition

R/W acknowledge

from slave

acknowledge

from master

no acknowledge

from master

stop

condition

READ FROM

PORT

DATA INTO

PORT

DATA 1

DATA 2

DATA 3

DATA 4

SW01097

NOTES:

1. This figure assumes the command byte has previously been programmed with 00h.

2. PCA9533/01 shown.

Figure 12. READ input port register

2004 Oct 01

Philips Semiconductors

Product data sheet

4-bit I²C LED dimmer

PCA9533

APPLICATION DATA

5 V

10 kΩ

LED0

LED1

LED2

LED3

SDA

SCL

SDA

SCL

I C/SMBus MASTER

PCA9533

SW02047

Figure 13. Typical application

Minimizing I when the I/O is used to control LEDs

When the I/Os are used to control LEDs, they are normally connected to V through a resistor as shown in Figure 13. Since the LED acts as a

diode, when the LED is off the I/O V is about 1.2 V less than V . The supply current, I , increases as V becomes lower than V and is

specified as ∆I in the DC characteristics table.

Designs needing to minimize current consumption, such as battery power applications, should consider maintaining the I/O pins greater than or

equal to V when the LED is off. Figure 14 shows a high value resistor in parallel with the LED. Figure 15 shows V less than the LED supply

voltage by at least 1.2 V. Both of these methods maintain the I/O V at or above V and prevents additional supply current consumption when

the LED is off.

3.3 V

5 V

LED

100 kΩ

LED

LEDx

SW02086

SW02087

Figure 14. High value resistor in parallel with the LED

Figure 15. Device supplied by a lower voltage

2004 Oct 01

Philips Semiconductors

Product data sheet

4-bit I²C LED dimmer

PCA9533

Programming example

The following example will show how to set LED0 and LED1 off. It

will set LED2 to blink at 1 Hz, 50 % duty cycle. LED3 will be set to

be dimmed at 25 % of their maximum brightness

(duty cycle = 25 %). PCA9533/01 is used in this example.

Table 1.

I C-bus

Start

PCA9533 address

C4h

11h

97h

PSC0 subaddress + auto-increment

Set prescaler PSC0 to achieve a period of 1 second:

PSC0 ) 1

Blink period + 1 +

152

PSC0 = 151

Set PWM0 duty cycle to 50 %:

80h

00h

PWM0

+ 0.5

256

PWM0 = 128

Set prescaler PWM1 to dim at maximum frequency

Blink period + maximum

PSC1 = 0

Set PWM1 output duty cycle to 25 %:

40h

PWM1

256

+ 0.25

PWM1 = 64

Set LED0 on, LED1 off, LED2 set to blink at PSC0,

PWM0, LED3 set to blink at PCS1, PWM1

E1h

Stop

2004 Oct 01

Philips Semiconductors

Product data sheet

4-bit I²C LED dimmer

PCA9533

ABSOLUTE MAXIMUM RATINGS

In accordance with the Absolute Maximum Rating System (IEC 134)

SYMBOL

PARAMETER

CONDITIONS

MIN

MAX

UNIT

Supply voltage

–0.5

6.0

5.5

DC voltage on an I/O

– 0.5

I/O

DC output current on an I/O

Supply current

—

+25

100

400

+150

+85

°C

tot

Total power dissipation

Storage temperature range

Operating ambient temperature

—

stg

–65

–40

amb

°C

HANDLING

Inputs and outputs are protected against electrostatic discharge in normal handling. However, to be totally safe, it is desirable to take

precautions appropriate to handling MOS devices. Advice can be found in Data Handbook IC24 under “Handling MOS devices”.

DC CHARACTERISTICS

= 2.3 V to 5.5 V; V = 0 V; T

= –40 °C to +85 °C; unless otherwise specified. TYP at 3.3 V and 25 °C.

amb

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

Supplies

Supply voltage

Supply current

2.3

—

5.5

Operating mode; V = 5.5 V; no load;

350

500

µA

V = V or V ; f = 100 kHz

SS SCL

Standby mode; V = 5.5 V; no load;

stb

Standby current

—

1.9

3.0

µA

V = V or V ; f = 0 kHz

SS SCL

Standby mode; V = 5.5 V; Every

∆I

Additional standby current

—

325

2.2

µA

LED I/O at V = 4.3 V; f

= 0 kHz

SCL

POR

Power-on reset voltage (Note 1)

No load; V = V or V

1.7

Input SCL; input/output SDA

LOW-level input voltage

HIGH-level input voltage

LOW-level output current

Leakage current

–0.5

—

0.3V

0.7V

5.5

—

= 0.4 V

6.5

—

µA

V = V = V

–1

—

Input capacitance

V = V

3.7

I/Os

LOW-level input voltage

HIGH-level input voltage

–0.5

2.0

—

2.1

0.8

5.5

—

= 0.4 V; V = 2.3 V; Note 2

µA

= 0.4 V; V = 3.0 V; Note 2

–1

—

= 0.4 V; V = 5.0 V; Note 2

LOW-level output current

= 0.7 V; V = 2.3 V; Note 2

= 0.7 V; V = 3.0 V; Note 2

= 0.7 V; V = 5.0 V; Note 2

Input leakage current

= 3.6 V; V = 0 V or V

I DD

Input/output capacitance

NOTES:

1. V must be lowered to 0.2 V in order to reset part.

2. Each I/O must be externally limited to a maximum of 25 mA and the device must be limited to a maximum current of 100 mA.

2004 Oct 01

Philips Semiconductors

Product data sheet

4-bit I²C LED dimmer

PCA9533

AC SPECIFICATIONS

STANDARD MODE

FAST MODE

I C-BUS

SYMBOL

PARAMETER

UNITS

MIN

MAX

100

—

MIN

MAX

400

—

Operating frequency

kHz

µs

SCL

Bus free time between STOP and START conditions

Hold time after (repeated) START condition

Repeated START condition setup time

Setup time for STOP condition

4.7

4.0

4.7

4.0

1.3

BUF

—

0.6

—

HD;STA

—

0.6

—

SU;STA

SU;STO

—

0.6

—

Data in hold time

—

HD;DAT

VD;ACK

Valid time for ACK condition

—

600

1500

—

600

—

(L)

Data out valid time

—

VD;DAT

(H)

Data out valid time

—

VD;DAT

Data setup time

250

4.7

4.0

—

100

SU;DAT

Clock LOW period

Clock HIGH period

Clock/Data fall time

Clock/Data rise time

—

1.3

—

LOW

—

0.6

—

HIGH

300

1000

20 + 0.1 C

—

300

—

Pulse width of spikes that must be suppressed by the

input filters

—

Port Timing

Output data valid

—

100

200

—

100

200

—

µs

Input data setup time

Input data hold time

—

NOTES:

1. C = total capacitance of one bus line in pF.

2. t

3. t

= time for Acknowledgement signal from SCL LOW to SDA (out) LOW.

= minimum time for SDA data out to be valid following SCL LOW.

VD;ACK

VD;DAT

2004 Oct 01

Philips Semiconductors

Product data sheet

4-bit I²C LED dimmer

PCA9533

+20%

+10%

MAX

PERCENT

VARIATION

AVG

–10%

–20%

–30%

–40%

MIN

–40

+25

+70

+85

TEMPERATURE

(°C)

SW02311

Figure 16. Typical frequency variation over process at V = 2.3 V to 3.0 V

+20%

+10%

MAX

PERCENT

VARIATION

AVG

MIN

–10%

–20%

–30%

–40%

–40

+25

+70

+85

TEMPERATURE

(°C)

SW02312

Figure 17. Typical frequency variation over process at V = 3.0 V to 5.5 V

2004 Oct 01

Philips Semiconductors

Product data sheet

4-bit I²C LED dimmer

PCA9533

SDA

HD;STA

LOW

BUF

SCL

SU;STO

HD;STA

SU;STA

SU;DAT

HD;DAT

HIGH

SU00645

Figure 18. Definition of timing

BIT 7

MSB

(A7)

START

CONDITION

(S)

STOP

CONDITION

(P)

BIT 6

(A6)

BIT 7

(D1)

BIT 8

(D0)

ACKNOWLEDGE

(A)

PROTOCOL

HIGH

SU;STA

LOW

1 / f

SCL

SDA

BUF

HD;DAT

HD;STA

SU;DAT

VD;DAT

VD;ACK

SU;STO

SW02333

Figure 19. I C-bus timing diagram; rise and fall times refer to V and V

Open

= 500 Ω

PULSE

GENERATOR

D.U.T.

50 pF

DEFINITIONS

R = Load resistor FOR LEDN. R FOR SDA AND SCL > 1 kΩ

(3 mA or less current).

C = Load capacitance includes jig and probe capacitance

R = Termination resistance should be equal to the output

impedance Z of the pulse generators.

SW02334

Figure 20. Test circuitry for switching times

2004 Oct 01

Philips Semiconductors

Product data sheet

4-bit I²C LED dimmer

PCA9533

SO8: plastic small outline package; 8 leads; body width 3.9 mm

SOT96-1

2004 Oct 01

Philips Semiconductors

Product data sheet

4-bit I²C LED dimmer

PCA9533

TSSOP8: plastic thin shrink small outline package; 8 leads; body width 3 mm

SOT505-1

2004 Oct 01

Philips Semiconductors

Product data sheet

4-bit I²C LED dimmer

PCA9533

REVISION HISTORY

Rev

Date

Description

20041001

Product data sheet (9397 750 13692). Supersedes data of 2003 Sep 19 (9397 750 12061).

Modifications:

• “Features” section on page 2:

– second bullet: change from “... between 0.625 and 160 Hz (1.6 seconds and 6.25 milliseconds)”

to “... between 0.591 Hz and 152 Hz (1.69 seconds and 6.58 milliseconds)”

– Last bullet: add “(MSOP8)”

• “Description” section on page 2:

– Third paragraph, third sentence: change from “... or blink at periods up to 1.6 second.” to “... or blink at

periods up to 1.69 second.”

– Fourth paragraph, first sentence: change from “... periods greater than 1.6 second ...” to “... periods greater

than 1.69 second.”

• “Input-Input register” table on page 4 modified; added note.

• Add section “Pins used as General Purpose I/Os” on page 5.

• Section “Power-on reset” on page 5 re-written.

• Figure 13 on page 8: add resistor values.

• (New) Note 1 added to DC Characteristics table on page 10, and its reference added at parameter V

• Figures 19 and 20 on page 13 modified.

POR

20030919

Product data (9397 750 12061); ECN 853-2404 30307 dated 08 September 2003.

2004 Oct 01

Philips Semiconductors

Product data sheet

4-bit I²C LED dimmer

PCA9533

Purchase of Philips I C components conveys a license under the Philips’ I C patent

to use the components in the I C system provided the system conforms to the

I C specifications defined by Philips. This specification can be ordered using the

code 9398 393 40011.

Data sheet status

Product

status

Definitions

[1]

Level

Data sheet status

[2] [3]

Objective data sheet

Development

This data sheet contains data from the objective specification for product development.

Philips Semiconductors reserves the right to change the specification in any manner without notice.

Preliminary data sheet

Product data sheet

Qualification

Production

This data sheet contains data from the preliminary specification. Supplementary data will be published

at a later date. Philips Semiconductors reserves the right to change the specification without notice, in

order to improve the design and supply the best possible product.

III

This data sheet contains data from the product specification. Philips Semiconductors reserves the

right to make changes at any time in order to improve the design, manufacturing and supply. Relevant

changes will be communicated via a Customer Product/Process Change Notification (CPCN).

[1] Please consult the most recently issued data sheet before initiating or completing a design.

[2] The product status of the device(s) described in this data sheet may have changed since this data sheet was published. The latest information is available on the Internet at URL

http://www.semiconductors.philips.com.

[3] For data sheets describing multiple type numbers, the highest-level product status determines the data sheet status.

Definitions

Short-form specification — The data in a short-form specification is extracted from a full data sheet with the same type number and title. For detailed information see

the relevant data sheet or data handbook.

Limitingvaluesdefinition— Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 60134). Stress above one or more of the limiting

values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given

in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended periods may affect device reliability.

Application information — Applications that are described herein for any of these products are for illustrative purposes only. Philips Semiconductors make no

representation or warranty that such applications will be suitable for the specified use without further testing or modification.

Disclaimers

Life support — These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be

expected to result in personal injury. Philips Semiconductors customers using or selling these products for use in such applications do so at their own risk and agree

to fully indemnify Philips Semiconductors for any damages resulting from such application.

Right to make changes — Philips Semiconductors reserves the right to make changes in the products—including circuits, standard cells, and/or software—described

or contained herein in order to improve design and/or performance. When the product is in full production (status ‘Production’), relevant changes will be communicated

viaaCustomerProduct/ProcessChangeNotification(CPCN).PhilipsSemiconductorsassumesnoresponsibilityorliabilityfortheuseofanyoftheseproducts,conveys

nolicenseortitleunderanypatent, copyright, ormaskworkrighttotheseproducts, andmakesnorepresentationsorwarrantiesthattheseproductsarefreefrompatent,

Koninklijke Philips Electronics N.V. 2004

Contact information

For additional information please visit

http://www.semiconductors.philips.com.

Fax: +31 40 27 24825

Date of release: 10-04

9397 750 13692

For sales offices addresses send e-mail to:

sales.addresses@www.semiconductors.philips.com.

Document number:

Philips

Semiconductors

2004 Oct 01

PCA9533DP01 [NXP]

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