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TCA9554ADBR The Texas Instruments TCA9554ADBR is an 8-bit I/O expander designed for I2C and SMBus interfaces. It operates within a voltage range of 1.65V to 5.5V and supports a clock frequency of up to 400 kHz.
Mfr Part #:

TCA9554ADBR

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TCA9554ADBR is an 8-bit I/O expander designed for I2C and SMBus interfaces. It operates within a voltage range of 1.65V to 5.5V and supports a clock frequency of up to 400 kHz.
✓ Total Stock: 932 pcs
$ Price Range: $0.52

TCA9554ADBR Available from 1 distributor

✓ 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
932 pcs
On Request
932 pcs On Request 1 On Request On Request 18+ On Request On Request
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TCA9554ADBR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Frequency
Features
Interface
Interrupt Output
Mounting Type
Number of I
Operating Temperature
Output Type
Supplier Device Package
Voltage
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TCA9554ADBR Description

Short technical summary and product information.

The TCA9554ADBR from Texas Instruments is an 8-bit I/O expander that facilitates communication over I2C and SMBus interfaces. This device is suitable for applications requiring additional digital I/Os, offering a flexible operating voltage range from 1.65V to 5.5V.

 

Key electrical characteristics include an interrupt output feature and a maximum clock frequency of 400 kHz, supporting fast I2C bus speeds. The expander is designed with configuration registers, allowing for input/output direction control and polarity inversion. It also includes an internal power-on reset and a noise filter on SCL/SDA inputs.

 

Packaged in a 16-SSOP, the TCA9554ADBR is designed for surface mount applications. Its 5-V tolerant I/O ports provide compatibility with various logic levels. The device is specified for an operating temperature range of -40°C to 85°C, making it suitable for a wide array of environmental conditions.

TCA9554ADBR Quick Information

Product Type: I/O Expander
Canonical Name: TCA9554A 8-bit I2C/SMBus I/O Expander
Subcategory: I2C & SPI general-purpose I/Os (GPIOs)

TCA9554ADBR Compliance

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

TCA9554ADBR Estimated Pricing

Qty Low High
1+ $0.52 $0.52

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

TCA9554ADBR Features

  • 8-bit I/O expander for I2C/SMBus.
  • Wide operating voltage from 1.65V to 5.5V.
  • Supports 400 kHz fast I2C bus.
  • Includes interrupt output functionality.
  • Surface mount 16-SSOP package.

TCA9554ADBR Applications

  • Extends digital I/O capabilities.
  • Suitable for embedded systems.
  • Used in low-power applications.
  • Interface expansion for microcontrollers.

TCA9554ADBR FAQs

4 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the TCA9554ADBR?

The operating voltage range for the TCA9554ADBR is 1.65V to 5.5V.

What package type is the TCA9554ADBR available in?

The TCA9554ADBR is available in a 16-SSOP package.

What is the operating temperature range of the TCA9554ADBR?

The operating temperature range for the TCA9554ADBR is -40°C to 85°C.

Does the TCA9554ADBR have an interrupt output?

Yes, the TCA9554ADBR features an interrupt output.

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