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TCA9555 - Low-Voltage 16-Bit I2C and SMBus I/O Expander

Description

This 16-bit I/O expander for the two-line bidirectional bus (I2C) is designed for 1.65-V to 5.5-V VCC operation.

It provides general-purpose remote I/O expansion for most microcontroller families via the I2C interface.

Features

  • 1 Low Standby-Current Consumption of 3.5 μA Maximum.
  • I2C to Parallel Port Expander.
  • Open-Drain Active-Low Interrupt Output.
  • 5-V Tolerant I/O Ports.
  • Compatible With Most Microcontrollers.
  • 400-kHz Fast I2C Bus.
  • Configurable Slave Address with 3 Address Pins.
  • Polarity Inversion Register.
  • Latched Outputs With High-Current Drive Capability for Directly Driving LEDs.
  • Latch-Up Performance Exceeds 100 mA Per JESD 7.

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Datasheet preview – TCA9555

Datasheet Details

Part number TCA9555
Manufacturer Texas Instruments
File Size 2.79 MB
Description Low-Voltage 16-Bit I2C and SMBus I/O Expander
Datasheet download datasheet TCA9555 Datasheet
Additional preview pages of the TCA9555 datasheet.

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Full PDF Text Transcription

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Product Folder Order Now Technical Documents Tools & Software Support & Community TCA9555 SCPS200E – JULY 2009 – REVISED APRIL 2019 TCA9555 Low-Voltage 16-Bit I2C and SMBus I/O Expander with Interrupt Output and Configuration Registers 1 Features •1 Low Standby-Current Consumption of 3.
Published: |