MCP23S17T-E/SO

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MCP23S17T-E/SO

+Nomenclature

IC I/O EXPANDER SPI 16B 28SOIC

  • FabricantTechnologie de micropuce

  • Pièce fabricant #MCP23S17T-E/SO

  • Package SOIC-28

  • En stock7784

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Spécifications

Attribut Valeur
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
NumberofI/O 16
Interface SPI
InterruptOutput Yes
Features POR
OutputType Push-Pull
Current-OutputSource/Sink 25mA
ClockFrequency 10 MHz
Voltage-Supply 1.8V ~ 5.5V
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 28-SOIC (0.295, 7.50mm Width)

Présentation

Description

The MCP23S17T-E/SO is a 16-bit I/O expander from Microchip, using SPI for communication. It features:
- 16 GPIO pins (configurable as inputs or outputs)
- High-speed SPI interface (up to 10 MHz)
- Hardware address pins (supports up to 8 devices on a single bus)
- Interrupt output for monitoring pin changes
- 3.3V or 5V operation
Ideal for expanding I/O in embedded systems, it reduces microcontroller pin usage while offering flexible control. The SOIC-28 package ensures compact PCB integration. Key applications include industrial controls, sensors, and LED/button interfacing.
Datasheet: [Microchip MCP23S17](https://www.microchip.com)

Equivalent

The MCP23S17T-E/SO is a 16-bit SPI I/O expander. Equivalent alternatives include:
- MCP23S17-E/SO (same series, slight variations)
- MCP23017-E/SO (I²C version)
- PCA9535PW (NXP, I²C)
- MAX7313AUG+ (Maxim, I²C)
- TCA6416APWR (TI, I²C)
For SPI alternatives, consider SX1509 (Semtech) or MAX6958AAI+ (Maxim). Verify pin compatibility and features for your application.

Manufacturer

The MCP23S17T-E/SO is manufactured by Microchip Technology Inc., a leading American semiconductor company specializing in microcontroller, mixed-signal, analog, and Flash-IP solutions. Founded in 1989 and headquartered in Chandler, Arizona, Microchip is known for its embedded control systems, serving industries like automotive, industrial, consumer electronics, and IoT. The MCP23S17T-E/SO is a 16-bit I/O expander with SPI interface, commonly used for expanding GPIOs in embedded designs. Microchip is recognized for its reliable, high-performance components and extensive product portfolio.

Application

The MCP23S17T-E/SO is a 16-bit I/O expander with SPI interface, widely used in applications requiring additional GPIOs. Key areas include:
- Industrial Control: PLCs, sensor interfacing, and automation systems.
- Consumer Electronics: Keypad expansions, LED control, and smart home devices.
- Embedded Systems: Adding I/O ports to microcontrollers (e.g., Arduino, Raspberry Pi).
- Automotive: Dashboard controls and infotainment systems.
- Medical Devices: User interface and peripheral management.
Its SPI interface, daisy-chain capability, and interrupt features make it ideal for space-constrained or multi-device designs.

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