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TCA9534DWR The Texas Instruments TCA9534DWR is an 8-bit I2C/SMBus IO expander. It operates from 1.65V to 5.5V and features a 400kHz I2C bus interface.
Mfr Part #:

TCA9534DWR

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TCA9534DWR is an 8-bit I2C/SMBus IO expander. It operates from 1.65V to 5.5V and features a 400kHz I2C bus interface.
✓ Total Stock: 222 pcs
$ Price Range: $0.52

TCA9534DWR Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
211 pcs
On Request
211 pcs On Request 1 On Request On Request 1619+ On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
11 pcs
On Request
11 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.

TCA9534DWR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Frequency
ESD Protection
Features
Interface
Interrupt Output
Latch-up Performance
Mounting Type
Number of I
Operating Temperature
Output Type
Supplier Device Package
Tape & Reel
Voltage
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TCA9534DWR Description

Short technical summary and product information.

The TCA9534DWR from Texas Instruments is an 8-bit general-purpose I/O expander designed for I2C and SMBus interfaces. This device operates within a wide voltage range of 1.65V to 5.5V, making it suitable for various applications. It supports a fast I2C bus speed of up to 400 kHz and includes an open-drain active-low interrupt output.

 

The TCA9534DWR features 5-V tolerant I/O ports, an input and output configuration register, and a polarity inversion register. It also includes an internal power-on reset and ensures no glitch on power-up. The device is available in a 16-SOIC package, suitable for surface mounting.

 

Key features include low standby current consumption, latched outputs with high-current drive capability for directly driving LEDs, and latch-up performance exceeding 100 mA per JESD 78, Class II. Three hardware address pins allow for up to eight devices on the I2C/SMBus, enhancing system flexibility.

TCA9534DWR Quick Information

Product Type: IO Expander
Series: TCA9534
Canonical Name: TCA9534 8-bit I2C/SMBus I/O Expander with Interrupt and Configuration Registers
Subcategory: I2C/SMBus IO Expander

TCA9534DWR Compliance

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

TCA9534DWR Estimated Pricing

Qty Low High
1+ $0.52 $0.52

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

TCA9534DWR Features

  • 8-bit I2C/SMBus IO expander.
  • Wide operating voltage from 1.65V to 5.5V.
  • Supports 400kHz fast I2C bus.
  • Includes interrupt output and 5V tolerant I/O.
  • Available in a 16-SOIC surface mount package.

TCA9534DWR Applications

  • Extends microcontroller I/O capabilities.
  • Ideal for systems with limited GPIO pins.
  • Suitable for low-voltage applications.
  • Used in embedded control systems.

TCA9534DWR FAQs

4 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the TCA9534DWR?

The operating voltage range is 1.65V to 5.5V.

What package type is the TCA9534DWR available in?

The TCA9534DWR is available in a 16-SOIC package.

What is the operating temperature range for the TCA9534DWR?

The operating temperature range is -40°C to 85°C.

What is the RoHS status of the TCA9534DWR?

The RoHS status is RoHS3 Compliant.

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