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See Technical Specifications

TCA9554ADBQR +BOM

Upgrade your system's input/output capacity with this reliable and efficient 8-bit expander

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

TCA9554ADBQR
Datasheet:

TCA9554ADBQR Datasheet (PDF)
Programmable:

Not Verified
Number Of I/O:

8
Interface:

I²C, SMBus
Interrupt Output:

Yes
EDA/CAD Models:

Request Free CAD Models for TCA9554ADBQR

TCA9554ADBQR General Description

One of the key features of the TCA9554A is its interrupt capability, allowing for immediate notification of changes in input port states. The device can be easily addressed using hardware selectable pins, enabling multiple TCA9554A devices to coexist on the same I2C bus. Additionally, the ability to reset the device to its default state through a simple power cycle ensures reliability and ease of maintenance

Key Features

High-Speed Data Transfer Rate
Error-Free Data Transmission Guaranteed
Flexible Pin-Out Configuration Options

Specifications

Category	Integrated Circuits (ICs)InterfaceI/O Expanders	Series	-
Programmable	Not Verified	Number of I/O	8
Interface	I²C, SMBus	Interrupt Output	Yes
Features	POR	Output Type	Push-Pull
Current - Output Source/Sink	-	Clock Frequency	400 kHz
Voltage - Supply	1.65V ~ 5.5V	Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount	Base Product Number	TCA9554

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Packing

AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.

Warranty

365-Day Product

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Ratings and Reviews

N**h 04/21/2023

Delivery 12 days to vladimir. obl. check later. everything is fine.

E**h 09/06/2022

About 30 days in Italy. Works as due to

C**e 07/12/2021

Made neatly, delivery six days to yekaterinburg.

O**a 06/16/2021

This is a counterfeit NE5532 as far as I can tell.Slew rate measures as ~1.8V/us loaded, or 2.3V unloaded. The datasheet specification is 9V/us.GBW is less than 1MHz, but datasheet spec is 10MHz.