TCA9554DBR - TI

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

Part No

TCA9554DBR
Manufacturer

TI
ChipWorker Part#

CW73526515
Category

Interface IC, Interface Controller
Package

SSOP-16
Description

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

Datasheet

TCA9554DBR Global Supplier

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TCA9554DBR Specifications

Attribute	Attribute Value

Part Number	TCA9554DBR
Manufacturer	TI
ChipWorker Part#	CW73526515
Category	Interface IC, Interface Controller
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	SSOP-16
Clock Speed	400 kHz
Voltage Nodes	1.80 V, 2.70 V, 3.30 V, 3.60 V, 5.00 V
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	1.65V ~ 5.5V
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Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

The TCA9554 is a 16-pin device that provides 8 bits of general purpose parallel input and 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 TCA9554 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 TCA9554 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 TCA9554 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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