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TCA9554DBR The Texas Instruments TCA9554DBR is an 8-bit I/O expander designed for I2C and SMBus interfaces. It operates with a clock frequency of up to 400 kHz.
Mfr Part #:

TCA9554DBR

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TCA9554DBR is an 8-bit I/O expander designed for I2C and SMBus interfaces. It operates with a clock frequency of up to 400 kHz.
✓ Total Stock: 5,590 pcs
$ Price Range: $0.58

TCA9554DBR 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
3,660 pcs
On Request
3660 pcs On Request 1 On Request On Request 1510+ On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
1,930 pcs
On Request
1930 pcs On Request 1 On Request On Request 1510+ 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.

TCA9554DBR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Clock Frequency
Features
Industrial Grade
Interface
Interrupt Output
Lead Spacing
Medical Grade
Military Grade
Mounting Type
Number of I
Operating Temperature
Output Type
Supplier Device Package
Supplier Package
Voltage
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TCA9554DBR Description

Short technical summary and product information.

The TCA9554DBR from Texas Instruments is an 8-bit I/O expander that facilitates communication over I2C and SMBus interfaces. It supports a clock frequency of up to 400 kHz, making it suitable for various embedded applications.

 

This I/O expander operates within a voltage range of 1.65V to 5.5V and can function across an industrial temperature range of -40°C to 85°C. It features an interrupt output and a Power-On Reset (POR) function, enhancing system control and reliability. The device is available in a 16-SSOP package, designed for surface mount installation.

 

With 8 I/O pins, the TCA9554DBR offers flexibility in expanding digital input/output capabilities in microcontroller-based systems. Its push-pull output type is standard for many digital interfaces. The device is specified with RoHS3 compliance and an MSL of 1, indicating its suitability for a wide range of manufacturing environments.

TCA9554DBR Quick Information

Product Type: I/O Expander
Canonical Name: TCA9554 8-bit I2C/SMBus I/O Expander
Subcategory: I2C, I3C & SPI General-Purpose I/Os (GPIOs)

TCA9554DBR Compliance

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

TCA9554DBR Estimated Pricing

Qty Low High
1+ $0.58 $0.58

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

TCA9554DBR Features

  • 8-bit I2C/SMBus I/O expander.
  • Operates at up to 400 kHz clock frequency.
  • Wide voltage range of 1.65V to 5.5V.
  • Industrial temperature range of -40°C to 85°C.
  • Available in a 16-SSOP surface mount package.

TCA9554DBR Applications

  • Expands microcontroller I/O capabilities.
  • Suitable for I2C and SMBus interfaces.
  • Used in embedded system designs.
  • Facilitates digital signal control.

TCA9554DBR FAQs

4 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the TCA9554DBR?

The TCA9554DBR operates within a voltage range of 1.65V to 5.5V.

What is the package type for the TCA9554DBR?

The TCA9554DBR is supplied in a 16-SSOP package.

What is the operating temperature range of the TCA9554DBR?

The TCA9554DBR operates from -40°C to 85°C.

Does the TCA9554DBR have an interrupt output?

Yes, the TCA9554DBR features an interrupt output.

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