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TCA9555RTWR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

TCA9555RTWR product

TCA9555RTWR

Interface

I/O ExpanderI2CGPIO

The TCA9555RTWR is a 16-bit I/O expander for I2C/SMBus interfaces, ideal for adding GPIOs to microcontrollers.

Best for

  • GPIO expansion
  • LED control
  • Keypad interfacing

Avoid if

  • High-speed data transfer requirements

Check before use

  • I2C address conflicts
  • Pull-up resistor sizing

Key specifications

I/O Count
16
Voltage Range
1.65V - 5.5V
Interface
I2C/SMBus

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
Level-2-260C-1 YEAR
ECCN
EAR99
HTSUS
8542.39.0000

Application

Industrial AutomationConsumer Electronics

Datasheet

Texas-Instruments-company-64.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for TCA9555RTWR: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a 16-bit I/O expander that communicates via I2C or SMBus, allowing microcontrollers to control additional I/O pins.