Texas Instruments TCA9554DWR O Expanders
IC I/O EXPANDER I2C 8BIT 16-SOIC

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
TCA9554DWR
Detailed Description
IC I/O EXPANDER I2C 8BIT 16-SOIC
Package
16-SOIC (0.295", 7.50mm Width)
Key Features
Package / Case: 16-SOIC (0.295", 7.50mm Width); Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
TCA9554DWR Datasheet
Quick Jump:
Technical Specifications
Texas Instruments TCA9554DWR O Expanders technical specifications.
General
Interface
I²C
Package / Case
16-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C
Supply Voltage
1.65V ~ 5.5V
Features
POR
Output Type
Push-Pull
Number of I/O
8
Interrupt Output
Yes
Max Frequency
400 kHz
Alternate Parts Comparison (TCA9554DWR vs TCA9534ADWR vs TCA9534DWR vs TCA9554ADWR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 16-SOIC | 16-SOIC | 16-SOIC | 16-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Supply Voltage | 1.65V ~ 5.5V | 1.65V ~ 5.5V | 1.65V ~ 5.5V | 1.65V ~ 5.5V |
| Interface | I²C | I²C | I²C | I²C, SMBus |
| Interrupt Output | Yes | Yes | Yes | Yes |
| Max Frequency | 400 kHz | 400 kHz | 400 kHz | 400 kHz |
| Number of I/O | 8 | 8 | 8 | 8 |
| Output Type | Push-Pull | Push-Pull | Push-Pull | Push-Pull |
| Features | POR | -- | POR | POR |
| Action |
More Parts in I/O Expanders
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.