TCA9554ADBQR - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

TCA9554ADBQR
Manufacturer

TI
ChipWorker Part#

CW3460793
Category

Interface IC, Interface Controller
Package

SSOP-16
Description

I2C/SMBus GPIO Expander 100kHz/400kHz 5.5V 16Pin SSOP T/R
Documentation

Datasheet

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TCA9554ADBQR Specifications

Attribute	Attribute Value

Part Number	TCA9554ADBQR
Manufacturer	TI
ChipWorker Part#	CW3460793
Category	Interface IC, Interface Controller
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	SSOP-16
Supply Voltage (DC)	1.65V (min)
Number of Positions	16 Position
Clock Speed	400 kHz
Voltage Nodes	1.80 V, 2.70 V, 3.30 V, 3.60 V, 5.00 V
Number of Inputs and Outputs	8 Input IO
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	1.65V ~ 5.5V
Supply Voltage (Max)	5.5 V
Supply Voltage (Min)	1.65 V
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Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Each
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99

Product Description

The TCA9554A is a 16-pin device that provides 8 bits of general purpose parallel input-output (I/O) expansion for the two-line bidirectional I2C bus (or SMBus) protocol. The device can operate with a power supply voltage ranging from 1.65 V to 5.5 V. The device supports both 100-kHz (Standard-mode) and 400-kHz (Fast-mode) clock frequencies. I/O expanders such as the TCA9554A provide a simple solution when additional I/Os are needed for switches, sensors, push-buttons, LEDs, fans, and other similar devices.
The features of the TCA9554A include an interrupt that is generated on the INT pin whenever an input port changes state. The A0, A1, and A2 hardware selectable address pins allow up to eight TCA9554A devices on the same I2C bus. The device can also be reset to its default sate by cycling the power supply and causing a power-on reset.

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