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PCA9534RGVRG4, PCA9535, PCA9535BS 118

Table of contents:
Info of PCA9534RGVRG4
Info of PCA9535
Info of PCA9535BS 118

PCA9534RGVRG4, PCA9535, PCA9535BS 118 Selling Leads, Datasheet

MFG:Texas Instruments Category:Integrated Circuits (ICs) Package Cooled:QFN D/C:08+

PCA9534RGVRG4, PCA9535, PCA9535BS 118 Picture

PCA9534RGVRG4, PCA9535, PCA9535BS 118 Datasheet download

Five Points

Part Number: PCA9534RGVRG4

Category: Integrated Circuits (ICs)

MFG: Texas Instruments

Package Cooled: QFN

D/C: 08+

Description: IC I/O EXPANDER I2C 8B 16QFN

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PCA9534RGVRG4 Parameters

Technical/Catalog Information	PCA9534RGVRG4
Vendor	Texas Instruments
Category	Integrated Circuits (ICs)
Interface	I²C, SMBus
Number of I /O	8
Frequency - Clock	400kHz
Voltage - Supply	2.3 V ~ 5.5 V
Package / Case	16-QFN
Packaging	Tape & Reel (TR)
Operating Temperature	-40°C ~ 85°C
Interrupt Output	Yes
Current - Drive	45mA
Includes	POR
Drawing Number	*
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	PCA9534RGVRG4 PCA9534RGVRG4

PCA9535 General Description

The PCA9535 is a 24-pin CMOS device that provide 16 bits of General Purpose parallel Input/Output (GPIO) expansion forI2C/SMBus applications and was developed to enhance the Philipsfamily of I2C I/O expanders. The improvements include higher drivecapability, 5 V I/O tolerance, lower supply current, individual I/Oconfiguration, and smaller packaging. I/O expanders provide asimple solution when additional I/O is needed for ACPI powerswitches, sensors, pushbuttons, LEDs, fans, etc.

The PCA9535 consist of two 8-bit Configuration (Input or Outputselection); Input, Output and Polarity inversion (Active HIGH orActive LOW operation) registers. The system master can enable theI/Os as either inputs or outputs by writing to the I/O configuration bits. The data for each Input or Output is kept in the correspondingInput or Output register. The polarity of the read register can beinverted with the Polarity Inversion Register. All registers can beread by the system master. Although pin-to-pin and I2C addresscompatible with the PCF8575, software changes are required due to the enhancements and are discussed in Application Note AN469.

The PCA9535 is identical to the PCA9555 except for the removal of the internal I/O pull-up resistor which greatly reduces power consumption when the I/Os are held LOW.

The PCA9535 open-drain interrupt output is activated when any input state differs from its corresponding input port register state and is used to indicate to the system master that an input state haschanged. The power-on reset sets the registers to their default values and initializes the device state machine.

Three hardware pins (A0, A1, A2) vary the fixed I2C address and allow up to eight devices to share the same I²C/SMBus. The fixedI²C address of the PCA9535 is the same as the PCA9554 allowingup to eight of these devices in anycombination to share the sameI²C/SMBus.

PCA9535 Maximum Ratings

SYMBOL	PARAMETER	CONDITIONS	MIN	MAX	UNIT
V_DD	Supply voltage		-0.5	6.0	V
V_I/O	DC input current on an I/O		V_SS - 0.5	6	V
I_I/O	DC output current on an I/O		-	± 50	mA
I_I	DC input current		-	± 20	mA
I_DD	Supply current		-	160	mA
I_SS	Supply current		-	200	mA
P_tot	Total power dissipation		-	200	mW
T_stg	Storage temperature range		-65	+150
T_amb	Operating ambient temperature		-40	+85

PCA9535 Features

• Operating power supply voltage range of 2.3 V-5.5 V
• 5 V tolerant I/Os
• Polarity inversion register
• Active LOW interrupt output
• Low stand-by current
• Noise filter on SCL/SDA inputs
• No glitch on power-up
• Internal power-on reset
• 16 I/O pins which default to 16 inputs
• 0 to 400 kHz clock frequency
• ESD protection exceeds 2000 V HBM per JESD22-A114, 200 V MM per JESD22-A115, and 1000 V CDM per JESD22-C101
• Latch-up testing is done to JESDEC Standard JESD78 whichexceeds 100 mA
• Offered in three different packages: SO24, TSSOP24, and HVQFN24

PCA9535 Connection Diagram

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