MCP23S08-E/SO
- Mfr.Part #
- MCP23S08-E/SO
- Manufacturer
- Microchip Technology
- Package / Case
- 18-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC I/O EXPANDER SPI 8B 18SOIC
- Stock
- 3,623
- In Stock :
- 3,623
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- Manufacturer :
- Microchip Technology
- Product Category :
- I/O Expanders
- Number of Bits :
- 8
- Number of I/Os :
- 8 I/O
- Operating Temp Range :
- -40C to 125C
- Logic Family :
- MCP23S08
- Supply Voltage :
- 5V
- Chip Configuration :
- 8bit
- Number of Ports :
- 1
- Brand :
- Microchip Technology / Atmel
- Supplier Package :
- SOIC W
- Output Voltage :
- 1.8 V to 4.5 V
- Operating Supply Voltage :
- 1.8 V to 5.5 V
- Interface Type :
- SPI
- JESD-30 Code :
- R-PDSO-G18
- uPs/uCs/Peripheral ICs Type :
- PARALLEL IO PORT, GENERAL PURPOSE
- Operating Supply Voltage (Max) :
- 5.5(V)
- Package / Case :
- 18-SOIC (0.295, 7.50mm Width)
- Manufacturer :
- Microchip
- Mounting Type :
- Surface Mount
- Category :
- I/O Expander
- Number of I/O :
- 8
- Series :
- --
- Peak Reflow Temperature (Cel) :
- 260
- Packaging :
- Tube
- Terminal Position :
- Dual
- Nominal Supply Current :
- 1mA
- Operating Temperature :
- -40°C~125°C
- Length :
- 11.53 mm
- Base Product Number :
- MCP23S08
- Surface Mount :
- yes
- Interrupt Output :
- yes
- Clock Frequency :
- 10MHz
- Bus Interface :
- Not Required
- Operating Supply Voltage (Min) :
- 1.8(V)
- Terminal Finish :
- Matte Tin (Sn)
- Quiescent Current (Max) :
- 0.001(mA)
- Pbfree Code :
- yes
- Number of Addresses :
- 4
- Number of I/Os (Max) :
- 8
- Supplier Device Package :
- 18-SOIC
- Number of I/O Lines :
- 8
- Max Power Dissipation :
- 700mW
- Product :
- I/O Expanders
- Output Current :
- 25mA
- Number of Terminations :
- 18
- Width :
- 7.5mm
- Lead Free :
- Lead Free
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Pin Count :
- 18
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Logic Type :
- I/O Expander
- Qualification Status :
- Not Qualified
- Terminal Form :
- Gull wing
- Product Category :
- Interface - I/O Expanders
- Input Voltage :
- 1.8 V to 5.5 V
- RoHS :
- Details
- Subcategory :
- Interface ICs
- Product Status :
- Active
- Reach Compliance Code :
- Compliant
- Operating Supply Current :
- 1mA
- JESD-609 Code :
- e3
- Interface :
- SPI
- Package Shape :
- RECTANGULAR
- HTS Code :
- 8542.39.00.01
- Package Type :
- SOIC W
- Type :
- I/O Expander
- ECCN Code :
- EAR99
- Mount :
- Surface Mount
- Base Part Number :
- MCP23S08
- Current - Output Source/Sink :
- 25mA
- Feature :
- POR
- Factory Lead Time :
- 7 Weeks
- Published :
- 2005
- Screening Level :
- Extended
- Features :
- POR
- MSL :
- MSL 1 - Unlimited
- Maximum Operating Temperature :
- + 125 C
- Power Supplies :
- 5V
- Output Type :
- Push-Pull
- Mounting Style :
- SMD/SMT
- Mounting :
- Surface Mount
- Number of Channels :
- 1
- REACH SVHC :
- No SVHC
- Package :
- Tube
- Terminal Pitch :
- 1.27 mm
- Height Seated (Max) :
- 2.65mm
- Manual Reset :
- yes
- RoHS Status :
- ROHS3 Compliant
- Product Type :
- I/O Expanders
- Temperature Grade :
- Automotive
- Seated Height-Max :
- 2.65 mm
- Voltage - Supply :
- 1.8V~5.5V
- Minimum Operating Temperature :
- - 40 C
- Number of Terminals :
- 18
- ESD Protection :
- Without ESD
- Number of Pins :
- 18
- Datasheets
- MCP23S08-E/SO
MCP23S08-E/SO Documents

I/O Expanders Microchip Technology MCP23S08-E/SO Overview
The Microchip Technology MCP23S08-E/SO is a high-performance I/O expander that leverages the simplicity of the SPI interface to extend the I/O capabilities of host microcontrollers. Designed to address the needs of complex control systems, this component offers a seamless way to add more I/O lines without resorting to larger, more expensive microcontrollers. Its small footprint and the 18-SOIC package make it ideal for space-constrained applications, while ensuring easy integration into existing designs. With the I/O Expanders Microchip Technology MCP23S08-E/SO, designers can significantly enhance system functionality while maintaining cost and space efficiency.
MCP23S08-E/SO Features
The MCP23S08-E/SO includes several key features that make it an essential component for expanding system capabilities. It provides eight I/O pins that can be individually controlled over the SPI interface, each capable of handling interrupts, with inputs being over-voltage tolerant to ensure robust performance in adverse conditions. The device also supports hardware address pins for up to eight devices on the same bus, allowing up to 64 I/Os on a single SPI bus without address conflicts. Additionally, the expander offers polarity inversion registers, which provide added flexibility in interfacing with different logic levels.
MCP23S08-E/SO Applications
- Home Automation Systems: Utilized to control various devices such as lighting, heating, and security systems, adding numerous control points without needing more complex microcontrollers.
- Industrial Automation: In factories, the MCP23S08-E/SO can manage multiple sensors and actuators, simplifying the design and maintenance of control systems.
- Robotics: Enhances the control capabilities of robotic systems by adding more sensors and actuators, thus improving the robot's interaction with its environment.
- Consumer Electronics: Used in devices like smart TVs and gaming consoles to extend control options, enhancing user interfaces and device functionalities.
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