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PCF8575 - Remote16-BIT I2C AND SMBus I/O Expander

Datasheet Summary

Description

This 16-bit I/O expander for the two-line bidirectional bus (I2C) is designed for 2.5-V to 5.5-V VCC operation.

The PCF8575 device provides general-purpose remote I/O expansion for most microcontroller families by way of the I2C interface [serial clock (SCL), serial data (SDA)].

Features

  • 1 I2C to Parallel-Port Expander.
  • Open-Drain Interrupt Output.
  • Low Standby-Current Consumption of 10 μA Max.
  • Compatible With Most Microcontrollers.
  • 400-kHz Fast I2C Bus.
  • Address by Three Hardware Address Pins for Use of up to Eight Devices.
  • Latched Outputs With High-Current Drive Capability for Directly Driving LEDs.
  • Current Source to VCC for Actively Driving a High at the Output.
  • Latch-Up Performance Exceeds 100 mA.

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Datasheet preview – PCF8575

Datasheet Details

Part number PCF8575
Manufacturer Texas Instruments
File Size 2.84 MB
Description Remote16-BIT I2C AND SMBus I/O Expander
Datasheet download datasheet PCF8575 Datasheet
Additional preview pages of the PCF8575 datasheet.

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Full PDF Text Transcription

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Product Folder Order Now Technical Documents Tools & Software Support & Community PCF8575 SCPS121H – JANUARY 2005 – REVISED FEBRUARY 2020 PCF8575 Remote16-BIT I2C AND SMBus I/O Expander with Interrupt Output 1 Features •1 I2C to Parallel-Port Expander • Open-Drain Interrupt Output • Low Standby-Current Consumption of 10 μA Max • Compatible With Most Microcontrollers • 400-kHz Fast I2C Bus • Address by Three Hardware Address Pins for Use of up to Eight Devices • Latched Outputs With High-Current Drive Capability for Directly Driving LEDs • Current Source to VCC for Actively Driving a High at the Output • Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II • ESD Protection Exceeds JESD 22 – 2000-V Human-Body Model – 200-V Machine Model – 1000-V Charged-Device Model 2 Applications
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