MCP23S17T-E/ML
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Microchip Technology MCP23S17T-E/ML

Manufacturer No:
MCP23S17T-E/ML
Manufacturer:
Microchip Technology
Package:
Tape & Reel (TR)
Description:
IC I/O EXPANDER SPI 16B 28QFN
Delivery:
Payment:
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Product Introduction

Overview

The MCP23S17T-E/ML is a 16-bit I/O expander produced by Microchip Technology. This component is designed to provide additional I/O ports for microcontrollers and other devices, enhancing the overall I/O capacity of a system. It supports both I2C and SPI communication interfaces, making it versatile for various applications. The MCP23S17T-E/ML is available in a QFN-28 package, which is suitable for surface mount technology (SMT) assembly.

Key Specifications

SpecificationValue
Number of I/O Pins16
Communication InterfacesI2C, SPI
Maximum SPI Clock Frequency10 MHz
Package TypeQFN-28
Package Size6x6 mm
Operating Voltage1.8V to 5.5V
Operating Temperature-40°C to +85°C

Key Features

  • 16-bit I/O expansion with individual direction control for each I/O pin
  • Support for both I2C and SPI communication interfaces
  • High-speed SPI interface up to 10 MHz
  • Low power consumption with standby current as low as 1 μA
  • Integrated pull-up resistors on SCL and SDA lines for I2C interface
  • Reset function to clear all registers and set all I/O pins to input mode

Applications

The MCP23S17T-E/ML is suitable for a variety of applications where additional I/O ports are required. These include:

  • Industrial control systems
  • Automotive systems
  • Consumer electronics
  • Medical devices
  • Embedded systems requiring I/O expansion

Q & A

  1. What is the primary function of the MCP23S17T-E/ML? The primary function is to provide 16-bit I/O expansion for microcontrollers and other devices.
  2. Which communication interfaces does the MCP23S17T-E/ML support? It supports both I2C and SPI interfaces.
  3. What is the maximum SPI clock frequency for the MCP23S17T-E/ML? The maximum SPI clock frequency is 10 MHz.
  4. In what package type is the MCP23S17T-E/ML available? It is available in a QFN-28 package.
  5. What is the operating voltage range for the MCP23S17T-E/ML? The operating voltage range is from 1.8V to 5.5V.
  6. What is the operating temperature range for the MCP23S17T-E/ML? The operating temperature range is from -40°C to +85°C.
  7. Does the MCP23S17T-E/ML have integrated pull-up resistors? Yes, it has integrated pull-up resistors on SCL and SDA lines for the I2C interface.
  8. Is the MCP23S17T-E/ML suitable for low-power applications? Yes, it has low power consumption with a standby current as low as 1 μA.
  9. Can the MCP23S17T-E/ML be reset to clear all registers? Yes, it has a reset function to clear all registers and set all I/O pins to input mode.
  10. What are some common applications for the MCP23S17T-E/ML? Common applications include industrial control systems, automotive systems, consumer electronics, medical devices, and embedded systems requiring I/O expansion.

Product Attributes

Number of I/O:16
Interface:SPI
Interrupt Output:Yes
Features:POR
Output Type:Push-Pull
Current - Output Source/Sink:25mA
Clock Frequency:10 MHz
Voltage - Supply:1.8V ~ 5.5V
Operating Temperature:-40°C ~ 125°C
Mounting Type:Surface Mount
Package / Case:28-VQFN Exposed Pad
Supplier Device Package:28-QFN (6x6)
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Similar Products

Part Number MCP23S17T-E/ML MCP23017T-E/ML MCP23S17-E/ML
Manufacturer Microchip Technology Microchip Technology Microchip Technology
Product Status Active Active Active
Number of I/O 16 16 16
Interface SPI I²C SPI
Interrupt Output Yes Yes Yes
Features POR POR POR
Output Type Push-Pull Push-Pull Push-Pull
Current - Output Source/Sink 25mA 25mA 25mA
Clock Frequency 10 MHz 1.7 MHz 10 MHz
Voltage - Supply 1.8V ~ 5.5V 1.8V ~ 5.5V 1.8V ~ 5.5V
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C
Mounting Type Surface Mount Surface Mount Surface Mount
Package / Case 28-VQFN Exposed Pad 28-VQFN Exposed Pad 28-VQFN Exposed Pad
Supplier Device Package 28-QFN (6x6) 28-QFN (6x6) 28-QFN (6x6)

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