SX1509BIULTRT – SEMTECH

Electronic Components
 
Part Number:
SX1509BIULTRT
 
 
Manufacturer:
 
 
Date Code:
18+
 
 
RoHS:
RoHS Compliant
 
 
MSL:
1
 
 
COO:
MALAYSIA
 
 
Description:

400 kHz I²C Expander IC, 28‑QFN Package

 
 
Datasheet:
 
 
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Product Details:

Overview

The SX1509BIULTRT is an I²C expander IC manufactured by SEMTECH. This device provides GPIO expansion through the I²C communication protocol, operating at a maximum frequency of 400 kHz. It is housed in a compact 28-QFN package, making it suitable for space-constrained applications requiring additional digital input/output capabilities.

Key Features

  • I²C interface for control
  • Up to 400 kHz I²C clock speed
  • 28-QFN package
  • GPIO expansion functionality

Applications

This I²C expander is commonly used in systems where the microcontroller or processor requires more digital I/O pins than are natively available. It finds applications in various embedded systems and control circuits.

  • LED control
  • Keypad scanning
  • Sensor interfacing
 
 
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