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Microchip 8-Channel SPI Interface I/O Expander SOIC 18 Package MCP23S08T-E/SO
Specifications
| Country of Origin | United States |
|---|---|
| Brand | Microchip |
| Height | 2.65mm |
| Length | 11.55mm |
| Model | MCP23S08T-E/SO |
| Mount Type | Surface |
| Series | MCP23S08 |
| Maximum Operating Temperature | 125°C |
| Package Type | SOIC |
| Minimum Operating Temperature | -40°C |
| Interface Type | SPI |
| Pin Count | 18 |
| Maximum Supply Voltage | 5.5V |
| Minimum Supply Voltage | 1.8V |
| Clock frequency | 10MHz |
| Number of I/O Channels | 8 |
Key Features
- Provides 8-bit parallel I/O expansion for SPI interface applications.
- Operates from 1.8V up to 5.5V supply voltage.
- Supports SPI clock frequencies up to 10MHz.
- Operates reliably in industrial temperature range of -40°C to 125°C.
- Compact SOIC 18 surface-mount package with 11.55mm length and 2.65mm height.
- Each I/O pin can sink or source 25mA current.
- Includes internal power-on-reset for reliable startup.
- Ideal for embedded, industrial, and electronic interface applications.
Product Description
Microchip MCP23S08T-E/SO is an 8-channel general-purpose I/O expander IC designed for SPI interface applications. Packaged in an 18-pin SOIC surface mount device, this expander allows simple parallel input/output expansion controlled through a Serial Peripheral Interface (SPI) bus at clock speeds up to 10MHz.
The device supports supply voltages from 1.8V to a maximum of 5.5V, making it versatile for multiple embedded system voltage rails. Operating temperature ranges from industrial -40°C to 125°C, suitable for harsh environments.
The MCP23S08 series provides multiple 8-bit configuration registers enabling input/output direction setup, polarity inversion, and interrupt generation. Each I/O pin supports up to 25mA sink/source current capability, allowing it to drive LEDs, relays, or other loads directly.
I/O expanders like the MCP23S08T-E/SO are extensively used in electronic and industrial control systems where microcontroller or processor I/O pins need expansion without increased pin count complexity. Applications include manufacturing automation, instrumentation, communication devices, and consumer electronics.
The compact SOIC package with dimensions of 11.55mm length and 2.65mm height optimizes PCB space while maintaining robust electrical performance. Provides 8-bit parallel I/O expansion for SPI interface applications. Operates with supply voltages between 1.8V and 5.5V.
Supports SPI clock speeds up to 10MHz for fast data exchange. Industrial temperature rating from -40°C to 125°C for reliable operation. Compact SOIC 18 package with 11.55mm length and 2.65mm height. Each I/O pin supports 25mA current sink/source capability.
Internal power-on-reset circuitry stabilizes system startup. Suited for embedded systems, industrial automation, electronic controls, and more. Manufactured in the United States adhering to quality standards. Explore the full range of Microchip I/O Expander ICs and related components on EnvMart to enhance your electronics design and manufacturing projects.
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Frequently Asked Questions
This model operates with supply voltages ranging from 1.8V to a maximum of 5.5V.
It supports SPI clock frequencies up to 10MHz for fast data exchange.
This unit operates reliably in an industrial temperature range from -40°C to 125°C.
It provides 8-bit parallel I/O expansion with a total of 8 I/O channels.
The compact SOIC package has dimensions of 11.55mm in length and 2.65mm in height.
Each I/O pin can sink or source a maximum current of 25mA.
This model is designed for surface mounting.
It comes in an 18-pin SOIC package type.
It includes internal power-on-reset circuitry to stabilize system startup.
This unit belongs to the MCP23S08 series of I/O expanders.
It is suited for embedded systems, industrial automation, and electronic controls.
It is manufactured in the United States adhering to quality standards.
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