PCA9544APW - TI

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

Part No

PCA9544APW
Manufacturer

TI
ChipWorker Part#

CW6914777
Category

Analog Switch Ic, Analog Switch Multiplexer
Package

TSSOP-20
Description

TEXAS INSTRUMENTS PCA9544APW Analog Multiplexer, 4:1, 1 Circuit, 30Ω, 10μA, 2.3V to 5.5V, TSSOP-20
Documentation

Datasheet

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PCA9544APW Specifications

Attribute	Attribute Value

Part Number	PCA9544APW
Manufacturer	TI
ChipWorker Part#	CW6914777
Category	Analog Switch Ic, Analog Switch Multiplexer
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	20 Pin
Case/Package	TSSOP-20
Supply Voltage (DC)	2.30V ~ 5.50V
Number of Outputs	1 Output
Supply Current	3 µA
Number of Circuits	4 Circuit
Number of Positions	20 Position
Propagation Delay Max (tpd)	1.00 ns
Power Dissipation	400 mW
Number of Inputs	4 Input
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	400 mW
Supply Voltage	2.3V ~ 5.5V
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Size-Length	6.6 mm
Size-Width	4.5 mm
Size-Height	1.05 mm
Product Lifecycle Status	Active
Packaging	Tube
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 PCA9544APW is a quad bidirectional Translating Switch controlled via the I²C bus. The SCL/SDA upstream pair fans out to four downstream pairs or channels. One SCL/SDA pair can be selected at a time and this is determined by the contents of the programmable control register. Four interrupt inputs (INT3\\-INT0\\), one for each of the downstream pairs, are provided. One interrupt output (INT\\) acts as an AND of the four interrupt inputs. A power-ON reset function puts the registers in their default state and initializes the I²C state machine, with no channel selected. 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 PCA9544A. External pull-up resistors pull the bus up to the desired voltage level for each channel.
Active-low interrupt output
Three address pins, allowing up to eight devices on the I²C bus
Channel selection via I²C bus
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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