PCA9546APWT - TI

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

Part No

PCA9546APWT
Manufacturer

TI
ChipWorker Part#

CW26464300
Category

Multiplexer IC
Package

TSSOP-16
Description

I2C Multiplexer 1Element 4IN 16Pin TSSOP T/R
Documentation

Datasheet

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PCA9546APWT Specifications

Attribute	Attribute Value

Part Number	PCA9546APWT
Manufacturer	TI
ChipWorker Part#	CW26464300
Category	Multiplexer IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	TSSOP-16
Supply Voltage (DC)	2.30V ~ 5.50V
Number of Outputs	1 Output
Supply Current	3.00 µA
Number of Circuits	4 Circuit
Number of Channels	4 Channel
Number of Positions	16 Position
Drain to Source Resistance (on) (Rds)	9 Ω
Propagation Delay Max (tpd)	1.00 ns
Power Dissipation	400 mW
Bandwidth	400 kHz
Number of Inputs	4 Input
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	400 mW
Supply Voltage	2.3V ~ 5.5V
Supply Voltage (Max)	5.5 V
Supply Voltage (Min)	2.3 V
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Size-Length	5 mm
Size-Width	4.4 mm
Size-Height	1.15 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Each
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99

Product Description

The PCA9546APWT is a quad bidirectional Translating Switch controlled via the I²C bus. The SCL/SDA upstream pair fans out to four downstream pairs or channels. Any individual SCn/SDn channel or combination of channels can be selected, determined by the contents of the programmable control register. An active-low reset (RESET\\) input allows the PCA9546A to recover from a situation in which one of the downstream I²C buses is stuck in a low state. Pulling RESET\ low resets the I²C state machine and causes all 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 pin can be used to limit the maximum high voltage, which will be passed by the PCA9546A. External pull-up resistors pull the bus up to the desired voltage level for each channel.
Three address pins, allowing up to eight PCA9546A devices on the I²C bus
Channel selection via I²C bus, in any combination
Power up with all switch channels deselected
Low RON switches
Allows voltage-level translation between 1.8V, 2.5V, 3.3V and 5V buses
No glitch on power up
Supports hot insertion
Low standby current
5.5V Tolerant inputs
0 to 400kHz Clock frequency
Latch-Up performance exceeds 100mA per JESD 78
ESD Protection Exceeds JESD 22

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