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Microchip 16-Channel I/O Expander SPI SOIC 28 MCP23S17T-E/SO 1.8V-5.5V 10MHz 28-Pin Surface Mount
Specifications
| Country of Origin | India |
|---|---|
| Brand | Microchip |
| Height | 2.65mm |
| Length | 17.9mm |
| Model | MCP23S17T-E/SO |
| Mount Type | Surface |
| Series | MCP23S17 |
| Maximum Operating Temperature | 125°C |
| Package Type | SOIC |
| Minimum Operating Temperature | -40°C |
| Interface Type | SPI |
| Pin Count | 28 |
| Maximum Supply Voltage | 5.5V |
| Minimum Supply Voltage | 1.8V |
| Clock frequency | 10MHz |
| Number of I/O Channels | 16 |
Key Features
- Features 16 configurable I/O channels for versatile digital input/output control.
- Operates over a wide temperature range from -40°C to 125°C ensuring industrial robustness.
- Supports SPI communication with clock frequencies up to 10MHz for high-speed data transfer.
- Compact SOIC 28 surface mount package with 17.9mm length and 2.65mm height for space-saving integration.
- Includes programmable polarity inversion registers and configurable interrupts for flexible system design.
- Allows cascading of up to 8 devices on a single bus to expand I/O capabilities.
- Provides 25mA sink/source capability per I/O enabling direct drive of outputs.
- Includes external reset input and high-speed I2C interface compatibility at 400KHz.
Product Description
Microchip MCP23S17T-E/SO is a 16-channel general purpose parallel I/O expander packaged in a 28-pin SOIC surface mount device. It supports SPI interface communication with clock speed up to 10MHz, making it suitable for high-speed industrial and electronic applications.
The device supports voltage operation from 1.8 volts minimum to 5.5 volts maximum, offering flexible power supply options. It features multiple 8-bit configuration registers allowing system masters to enable each of the 16 I/O pins as inputs or outputs with polarity inversion capability. The input data polarity can be inverted through dedicated registers to match custom logic requirements.
Its robust operating temperature range of -40°C to 125°C makes it ideal for harsh industrial, manufacturing, and embedded system environments. The SOIC 28 package dimensions (length 17.9 mm, height 2.65 mm) allow compact PCB layouts.
The device supports cascading up to 8 units on a common bus to expand input/output capability for complex electronic control systems. It provides a 25mA sink/source drive strength per I/O, enabling it to handle direct interfacing with LEDs or relays without additional drivers. External reset input and configurable interrupt pins (INTA and INTB) offer flexible interrupt handling strategies essential for industrial automation and monitoring applications.
Common use cases include industrial automation systems, embedded controller interfaces, instrumentation, and electronic prototyping projects where extending microcontroller I/O ports is required.
Features 16 configurable I/O channels for versatile digital input/output control. Operates over a wide temperature range from -40°C to 125°C ensuring industrial robustness. Supports SPI communication with clock frequencies up to 10MHz for high-speed data transfer.
Compact SOIC 28 surface mount package with 17.9mm length and 2.65mm height for space-saving integration. Includes programmable polarity inversion registers and configurable interrupts for flexible system design. Allows cascading of up to 8 devices on a single bus to expand I/O capabilities.
Provides 25mA sink/source capability per I/O enabling direct drive of outputs. Includes external reset input and high-speed I2C interface compatibility at 400KHz. Explore the comprehensive range of semiconductor I/O expanders at EnvMart for reliable industrial and electronic component solutions.
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Frequently Asked Questions
The maximum operating temperature for this model is 125°C.
It supports 16 configurable I/O channels for digital input/output control.
The device operates with a supply voltage range from 1.8V to 5.5V.
This model supports SPI communication with clock frequencies up to 10MHz.
The package dimensions are 17.9mm in length and 2.65mm in height.
Yes, it allows cascading of up to 8 devices on a single bus to expand I/O capabilities.
Each I/O channel provides a sink/source capability of 25mA, enabling direct drive of outputs.
It comes in a compact SOIC 28 surface mount package.
The minimum operating temperature is -40°C, making it suitable for harsh environments.
Yes, it includes configurable interrupt pins (INTA and INTB) for flexible interrupt handling strategies.
It is suitable for industrial automation systems, embedded controller interfaces, and electronic prototyping projects.
The device supports a clock frequency of up to 10MHz for high-speed data transfer.
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