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PCA9554DBR The Texas Instruments PCA9554DBR is an 8-bit I/O expander featuring an I2C/SMBus interface. It operates from 2.3V to 5.5V and is suitable for surface mounting.
Mfr Part #:

PCA9554DBR

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments PCA9554DBR is an 8-bit I/O expander featuring an I2C/SMBus interface. It operates from 2.3V to 5.5V and is suitable for surface mounting.
✓ Total Stock: 808 pcs
$ Price Range: $1.15

PCA9554DBR Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Braun Electronic Components ✓
Non-Authorised Inventory information
404 pcs
On Request
404 pcs On Request 1 On Request On Request On Request On Request On Request
MW.FEP S.p.A. ✓
Non-Authorised Inventory information
404 pcs
On Request
404 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.

PCA9554DBR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Frequency
Current
Features
Interface
Interrupt Output
Lead Spacing
Lead Style
Mounting Type
Number of I
Operating Temperature
Output Type
Supplier Device Package
Supplier Package
Voltage
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PCA9554DBR Description

Short technical summary and product information.

The Texas Instruments PCA9554DBR is an 8-bit I/O expander designed for expanding microcontroller capabilities. It communicates via the I²C and SMBus interfaces, supporting clock frequencies up to 400 kHz.

 

This device operates within a voltage range of 2.3V to 5.5V and features 8 push-pull outputs. The operating temperature range is from -40°C to 85°C, making it suitable for various environmental conditions. It includes an interrupt output feature.

 

The PCA9554DBR comes in a 16-SSOP package and is designed for surface mount applications. Its RoHS3 compliant status and MSL 1 rating indicate standard environmental considerations for electronic components.

PCA9554DBR Quick Information

Product Type: IO Expander
Canonical Name: PCA9554DBR I/O Expander
Subcategory: IO Expanders

PCA9554DBR Compliance

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

PCA9554DBR Estimated Pricing

Qty Low High
1+ $1.15 $1.15

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

PCA9554DBR Features

  • Provides 8 push-pull output channels.
  • Supports I2C and SMBus communication.
  • Operates from 2.3V to 5.5V supply.
  • Suitable for surface mount applications.
  • Wide operating temperature range.

PCA9554DBR Applications

  • Expands microcontroller I/O capabilities.
  • Ideal for embedded system designs.
  • Used in applications requiring I2C interface.
  • Suitable for SMBus communication needs.

PCA9554DBR FAQs

3 frequently asked questions generated from this part’s specifications.
What is the operating voltage for the PCA9554DBR?

The PCA9554DBR operates from 2.3V to 5.5V.

What package type is the PCA9554DBR available in?

The PCA9554DBR is available in a 16-SSOP package.

What is the operating temperature range of the PCA9554DBR?

The operating temperature range for the PCA9554DBR is -40°C to 85°C.

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