MCP23S18-E/MJ
- Mfr.Part #
- MCP23S18-E/MJ
- Manufacturer
- Microchip Technology
- Package / Case
- 24-VFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC I/O EXPANDER SPI 16B 24QFN
- Stock
- 12,542
- In Stock :
- 12,542
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- Manufacturer :
- Microchip Technology
- Product Category :
- I/O Expanders
- Supply Voltage :
- 5V
- Product :
- I/O Expanders
- Input Voltage :
- 1.8 V to 5.5 V
- Published :
- 2008
- Pin Count :
- 24
- Operating Supply Voltage :
- 1.8 V to 5.5 V
- Brand :
- Microchip Technology / Atmel
- Number of Ports :
- 2
- Lead Free :
- Lead Free
- JESD-30 Code :
- S-PQCC-N24
- Number of I/O :
- 16
- Width :
- 4mm
- MSL :
- MSL 1 - Unlimited
- Package :
- Tube
- Terminal Finish :
- Matte Tin (Sn) - annealed
- Temperature Grade :
- Automotive
- Terminal Form :
- NO LEAD
- ECCN Code :
- EAR99
- Interface Type :
- Serial, SPI
- Packaging :
- Tray
- ESD Protection :
- Without ESD
- Package / Case :
- 24-VFQFN Exposed Pad
- Features :
- --
- Interrupt Output :
- yes
- Supplier Package :
- QFN EP
- Factory Lead Time :
- 8 Weeks
- Logic Family :
- MPC23
- Product Status :
- Active
- Terminal Position :
- QUAD
- Current - Output Source/Sink :
- 25mA
- Number of I/Os :
- 16 I/O
- Seated Height-Max :
- 0.9 mm
- Weight :
- 928.191737mg
- Operating Temperature :
- -40°C~125°C
- Length :
- 4mm
- Type :
- I/O Expander
- Maximum Operating Temperature :
- + 125 C
- Output Type :
- Open Drain
- Clock Frequency :
- 10MHz
- Product Category :
- Interface - I/O Expanders
- Number of Bits :
- 16
- Mounting Style :
- SMD/SMT
- Base Part Number :
- MCP23S18
- RoHS :
- Details
- Series :
- --
- Minimum Operating Temperature :
- - 40 C
- Logic Type :
- I/O Expander
- Manufacturer :
- Microchip
- Qualification Status :
- Not Qualified
- HTS Code :
- 8542.39.00.01
- Category :
- I/O Expander
- Number of Channels :
- 1
- Number of I/O Lines :
- 16
- Chip Configuration :
- 16bit
- Package Shape :
- Square
- Package Type :
- QFN
- Terminal Pitch :
- 0.5mm
- Mounting Type :
- Surface Mount
- Surface Mount :
- yes
- Number of Pins :
- 24
- Mount :
- Surface Mount
- Base Product Number :
- MCP23S18
- Max Power Dissipation :
- 700mW
- Reach Compliance Code :
- Compliant
- Supplier Device Package :
- 24-QFN (4x4)
- RoHS Status :
- ROHS3 Compliant
- Voltage - Supply :
- 1.8V~5.5V
- Product Type :
- I/O Expanders
- Peak Reflow Temperature (Cel) :
- 260
- Mounting :
- Surface Mount
- Power Supplies :
- 2/5V
- Height Seated (Max) :
- 0.9mm
- Output Current :
- 400mA
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Interface :
- SPI
- Output Voltage :
- 0.6 V to 4.8 V
- Number of Terminals :
- 24
- JESD-609 Code :
- e3
- Nominal Supply Current :
- 1mA
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Number of Terminations :
- 24
- uPs/uCs/Peripheral ICs Type :
- PARALLEL IO PORT, GENERAL PURPOSE
- REACH SVHC :
- No SVHC
- Screening Level :
- Extended
- Datasheets
- MCP23S18-E/MJ

I/O Expanders Microchip Technology MCP23S18-E/MJ Overview
The MCP23S18-E/MJ by Microchip Technology is a high-performance IC I/O expander that operates over an SPI interface, designed to enhance the functionality of microcontroller systems. This component is housed in a compact 24QFN package, making it ideal for space-constrained applications. The MCP23S18-E/MJ enables interface expansion, allowing additional inputs and outputs to be added to a microcontroller or microprocessor system. This capability is crucial for complex systems requiring more I/O ports than those available on the core device, enhancing both flexibility and scalability. The integration of this I/O expander into your system can simplify design and reduce overall component count, leading to cost efficiency and improved reliability.
MCP23S18-E/MJ Features
This I/O expander supports 16-bit, bidirectional data flow, enhancing the control and interfacing capabilities of connected devices. With its SPI interface, it ensures high-speed communication and easy integration with existing microcontroller architectures. The MCP23S18-E/MJ also offers enhanced features such as interrupt output for input change notification, which is invaluable in real-time monitoring applications. Its wide operating voltage range and low power consumption make it suitable for a diverse range of industrial and consumer applications.
MCP23S18-E/MJ Applications
- Home Automation Systems: Integrates seamlessly to control lighting, security systems, and other home automation peripherals, expanding the number of manageable devices.
- Industrial Automation: Used in factory automation for managing sensors, actuators, and other control elements, improving operational efficiency and data management.
- Robotics: Provides additional I/O options for controlling robotic mechanisms and sensors, crucial for complex tasks and enhanced functionality.
- Mobile Devices: Helps in expanding the interface capabilities of mobile devices for additional buttons or indicators without increasing the processor load.
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