TCA9543ADR - TI

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

Part No

TCA9543ADR
Manufacturer

TI
ChipWorker Part#

CW10950368
Category

Logic Controller, Logic IC
Package

SOIC-14
Description

2Channel I2C Bus Switch With Interrupt Logic and Reset 14-SOIC -40℃ to 85℃
Documentation

Datasheet

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TCA9543ADR Specifications

Attribute	Attribute Value

Part Number	TCA9543ADR
Manufacturer	TI
ChipWorker Part#	CW10950368
Category	Logic Controller, Logic IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	14 Pin
Case/Package	SOIC-14
Supply Voltage (DC)	1.65V (min)
Number of Outputs	2 Output
Number of Channels	2 Channel
Number of Positions	14 Position
Propagation Delay Max (tpd)	1.00 ns
Power Dissipation	0.4 W
Number of Inputs	2 Input
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	400 mW
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
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99

Product Description

The TCA9543ADR is a dual Bidirectional Translating Switch controlled by the I²C bus. The SCL/SDA upstream pair fans out to two downstream pairs or channels. Either individual SCn/SDn channel or both channels can be selected, determined by the contents of the programmable control register. Two interrupt inputs (INT1-INT0), one for each of the downstream pairs, are provided. One interrupt output (INT) acts as an AND of the two interrupt inputs. An active-low reset (RESET) input allows the TCA9543A to recover from a situation where one of the downstream I²C buses is stuck in a low state. Pulling RESET low resets the I²C state machine and causes both of the channels to be deselected, as does the internal power-on reset function. The pass gates of the switches are constructed such that the VCC terminal can be used to limit the maximum high voltage, which will be passed by the TCA9543A.
Two active-low interrupt inputs
Active-low interrupt output
Active-Low Reset Input
Power-up with all switch channels deselected
Low Ron switches
No glitch on power-up
Supports hot insertion
Low standby current consumption
5.5V Tolerant inputs
0 to 400kHz Clock frequency
Latch-up performance exceeds 100mA per JESD 78
Green product and no Sb/Br
Device has limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

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