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PCA9534DWR The PCA9534DWR from Texas Instruments is an 8-bit I2C and SMBus I/O expander. It operates from 2.3V to 5.5V and features an interrupt output.
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PCA9534DWR

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The PCA9534DWR from Texas Instruments is an 8-bit I2C and SMBus I/O expander. It operates from 2.3V to 5.5V and features an interrupt output.
✓ Total Stock: 17,964 pcs
$ Price Range: $1.18

PCA9534DWR Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
12,914 pcs
On Request
12914 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
5,050 pcs
On Request
5050 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

PCA9534DWR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Clock Frequency
Current
Features
Industrial Grade
Interface
Interrupt Output
Lead Spacing
Medical Grade
Military Grade
Mounting Type
Number of I
Operating Temperature
Output Type
Supplier Device Package
Voltage
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PCA9534DWR Description

Short technical summary and product information.

The Texas Instruments PCA9534DWR is an 8-bit I/O expander designed for I2C and SMBus interfaces. It offers a wide operating voltage range from 2.3V to 5.5V, making it suitable for various applications. The device includes configuration registers and an open-drain, active-low interrupt output, providing flexible control and status monitoring.

 

With a maximum clock frequency of 400 kHz, the PCA9534DWR facilitates efficient communication in embedded systems. It supports up to eight devices on the I2C/SMBus, with potential for more when used with PCA9534A. The I/O ports are 5V tolerant, enhancing compatibility with different logic levels.

 

This I/O expander is available in a 16-SOIC package, designed for surface mounting. Its operating temperature range is -40°C to 85°C, ensuring reliable performance in diverse environmental conditions. The PCA9534DWR is ideal for expanding the number of available I/Os in microcontrollers and other digital systems.

PCA9534DWR Quick Information

Product Type: I/O Expander
Canonical Name: PCA9534DWR 8-bit I2C/SMBus I/O Expander with Interrupt and Configuration Registers
Subcategory: I2C & SPI General-Purpose I/Os (GPIOs)

PCA9534DWR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

PCA9534DWR Estimated Pricing

Qty Low High
1+ $1.18 $1.18

Estimated market price range - modelled values for guidance only, not live distributor offers.

PCA9534DWR Features

  • 8-bit I2C/SMBus I/O expander.
  • Operates from 2.3V to 5.5V supply.
  • Features an interrupt output.
  • 400kHz fast I2C bus support.
  • Available in 16-SOIC package.

PCA9534DWR Applications

  • Expands microcontroller I/O capabilities.
  • Suitable for embedded system designs.
  • Used in applications requiring additional digital pins.
  • Interface expansion for various control systems.

PCA9534DWR FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the PCA9534DWR?

The PCA9534DWR operates from 2.3V to 5.5V.

What is the maximum clock frequency supported by the PCA9534DWR?

The PCA9534DWR supports a maximum clock frequency of 400 kHz.

What package type is the PCA9534DWR available in?

The PCA9534DWR is available in a 16-SOIC package.

What is the operating temperature range for the PCA9534DWR?

The PCA9534DWR operates from -40°C to 85°C.

Does the PCA9534DWR have an interrupt output?

Yes, the PCA9534DWR features an open-drain, active-low interrupt output.

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