TCA9539RTWR - TI

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

Part No

TCA9539RTWR
Manufacturer

TI
ChipWorker Part#

CW16518129
Category

Interface IC, Interface Controller
Package

WQFN-24
Description

I2C/SMBus GPIO Expander 400kHz 5.5V 24Pin WQFN EP T/R
Documentation

Datasheet

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TCA9539RTWR Specifications

Attribute	Attribute Value

Part Number	TCA9539RTWR
Manufacturer	TI
ChipWorker Part#	CW16518129
Category	Interface IC, Interface Controller
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	24 Pin
Case/Package	WQFN-24
Supply Voltage (DC)	1.65V ~ 5.50V
Number of Outputs	16 Output
Number of Positions	24 Position
Clock Speed	400 kHz
Voltage Nodes	1.80 V, 2.70 V, 3.30 V, 3.60 V
Number of Inputs and Outputs	16 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	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

Product Description

The TCA9539 is a 24-pin device that provides 16 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 (VCC) range from 1.65 V to 5.5 V. The device supports 100-kHz (I2C Standard mode) and 400-kHz (I2C Fast mode) clock frequencies. I/O expanders such as the TCA9539 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 TCA9539 include an interrupt that is generated on the INT pin whenever an input port changes state. The A0 and A1 hardware selectable address pins allow up to four TCA9539 devices on the same I2C bus. The device can be reset to its default state by cycling the power supply and causing a power-on-reset. Also, the TCA9539 has a hardware RESET pin that can be used to reset the device to its default state.

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