This website uses cookies. By using this site, you consent to the use of cookies. For more information, please take a look at our Privacy Policy.

Images are for reference only,

See Technical Specifications

PCA9534ADWR +BOM

8-bit 2.3- to 5.5-V I2C/SMBus I/O expander with interrupt & config registers

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

PCA9534ADWR
Datasheet:

PCA9534ADWR Datasheet (PDF)
Programmable:

Not Verified
Number Of I/O:

8
Interface:

I²C, SMBus
Interrupt Output:

Yes
EDA/CAD Models:

Request Free CAD Models for PCA9534ADWR

Email: [email protected]

Skype: live:.cid.ab6b29428937b76

Tel: +852 95804164

PCA9534ADWR General Description

The PCA9534ADWR is a versatile device that offers the flexibility of being able to connect up to 16 devices on the same I2C bus while providing a simple and efficient way to inform a microcontroller of incoming data through the INT pin. With high-current drive capability, this device is ideal for directly driving LEDs without the need for additional circuitry. Additionally, the PCA9534ADWR features low current consumption, making it a cost-effective solution for a variety of applications

Key Features

Low standby current consumption of 1 µA max
I²C to Parallel port expander
Open-drain active-low interrupt output
Operating power-supply voltage range of 2.3 V to 5.5 V
5-V Tolerant I/O ports
400-kHz Fast I²C bus
Three hardware address pins allow up to eight devices on the I²C/SMBus
Allows up to 16 devices on the I²C/SMBus when used in conjunction with the PCA9534 See Section 5 for I²C Expander offerings
Input and output configuration register
Polarity inversion register
Internal power-on reset
Power-up with all channels configured as Inputs
No glitch on power-up
Noise filter on SCL and SDA inputs
Latched outputs with high-current drive maximum capability for directly driving LEDs
Latch-up performance exceeds 100 mA Per JESD 78, Class II
ESD protection exceeds JESD 22
- 2000-V Human-body Model (A114-A)
- 200-V Machine Model (A115-A)
- 1000-V Charged-device model (C101)

Specifications

Category	Integrated Circuits (ICs)InterfaceI/O Expanders	Series	-
Programmable	Not Verified	Number of I/O	8
Interface	I²C, SMBus	Interrupt Output	Yes
Features	POR	Output Type	Push-Pull
Current - Output Source/Sink	10mA, 25mA	Clock Frequency	400 kHz
Voltage - Supply	2.3V ~ 5.5V	Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount	Base Product Number	PCA9534