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TCA9548A Pinout Diagram

Part Series:TCA9548A Series
Category:Logic ICs
Description:I2C Multiplexer 1Element 8IN 24Pin TSSOP T/R
Document:TCA9548APWR Datasheet PDF (34 Pages)

TCA9548A Logic ICs Pinout Diagram

TCA9548APWR - TI Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Number of Pins
24 Pin
Supply Voltage (DC)
1.65V ~ 5.50V
Case/Package
TSSOP-24
Number of Outputs
1 Output
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TCA9548APWR - TI Function Overview

The TCA9548APWR is an eight-channel Bidirectional Translating Switch can be controlled through the I²C bus. The SCL/SDA upstream pair fans out to eight 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. The system master can reset the TCA9548A in the event of a time-out or other improper operation by asserting a low in the RESET input. Similarly, the power-on reset deselects all channels and initializes the I²C/SMBus state machine. Asserting RESET causes the same reset and initialization to occur without powering down the part. The pass gates of the switches are constructed so that the VCC pin can be used to limit the maximum high voltage, which is passed by the TCA9548A. Limiting the maximum high voltage allows the use of different bus voltages on each pair, so that 1.8 or 2.5 or 3.3V parts can communicate with 5V parts, without any additional protection.
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
5V Tolerant inputs
0 to 400kHz Clock frequency
Latch-up performance exceeds 100mA per JESD 78, class II
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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