MCP23S18T-E/MJ
- Mfr.Part #
- MCP23S18T-E/MJ
- Manufacturer
- Microchip Technology
- Package / Case
- 24-VFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC I/O EXPANDER SPI 16B 24QFN
- Stock
- 43,019
- In Stock :
- 43,019
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- Manufacturer :
- Microchip Technology
- Product Category :
- I/O Expanders
- Package / Case :
- 24-VFQFN Exposed Pad
- RoHS Status :
- ROHS3 Compliant
- Product Type :
- I/O Expanders
- ECCN Code :
- EAR99
- Number of Terminations :
- 24
- Terminal Pitch :
- 0.5mm
- Series :
- --
- Supply Voltage :
- 5V
- Operating Temperature :
- -40°C~125°C
- Number of Terminals :
- 24
- Weight :
- 928.191737mg
- Minimum Operating Temperature :
- - 40 C
- Height Seated (Max) :
- 0.9mm
- Features :
- --
- Voltage - Supply :
- 1.8V~5.5V
- Base Product Number :
- MCP23S18
- Logic Family :
- MCP23S18
- Peak Reflow Temperature (Cel) :
- 260
- Mounting Type :
- Surface Mount
- Pin Count :
- 24
- Category :
- I/O Expander
- Operating Supply Voltage :
- 1.8 V to 5.5 V
- Type :
- I/O Expander
- Number of Bits :
- 16
- Length :
- 4mm
- Supplier Package :
- QFN EP
- Interface Type :
- Serial, SPI
- Current - Output Source/Sink :
- 25mA
- Output Current :
- 25mA
- Supplier Device Package :
- 24-QFN (4x4)
- Operating Supply Current :
- 1mA
- Brand :
- Microchip Technology / Atmel
- Number of Ports :
- 2
- uPs/uCs/Peripheral ICs Type :
- PARALLEL IO PORT, GENERAL PURPOSE
- Number of Pins :
- 24
- Mounting Style :
- SMD/SMT
- Base Part Number :
- MCP23S18
- HTS Code :
- 8542.39.00.01
- Screening Level :
- Extended
- Manufacturer :
- Microchip
- Factory Lead Time :
- 8 Weeks
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Output Type :
- Open Drain
- Power Supplies :
- 2/5V
- Maximum Operating Temperature :
- + 125 C
- Surface Mount :
- yes
- Lead Free :
- Lead Free
- Max Power Dissipation :
- 700mW
- Packaging :
- Tape and Reel (TR)
- Qualification Status :
- Not Qualified
- Number of I/O Lines :
- 16
- Reach Compliance Code :
- Compliant
- Terminal Position :
- QUAD
- Package Shape :
- Square
- Seated Height-Max :
- 0.9 mm
- RoHS :
- Details
- Interrupt Output :
- yes
- Terminal Finish :
- Matte Tin (Sn) - annealed
- MSL :
- MSL 1 - Unlimited
- Product Category :
- Interface - I/O Expanders
- Mount :
- Surface Mount
- Published :
- 2007
- JESD-609 Code :
- e3
- Interface :
- SPI
- Product :
- I/O Expanders
- Temperature Grade :
- Automotive
- ESD Protection :
- Without ESD
- Number of I/O :
- 16
- Terminal Form :
- NO LEAD
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Product Status :
- Active
- Number of I/Os :
- 16 I/O
- Width :
- 4mm
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Mounting :
- Surface Mount
- Chip Configuration :
- 16bit
- JESD-30 Code :
- S-PQCC-N24
- Clock Frequency :
- 10MHz
- Datasheets
- MCP23S18T-E/MJ

I/O Expanders Microchip Technology MCP23S18T-E/MJ Overview
The I/O Expanders Microchip Technology MCP23S18T-E/MJ is a highly versatile, SPI interface-based 16-bit I/O expander from Microchip Technology designed to provide additional input/output ports for embedded applications. With its compact 24QFN package, it effectively addresses the needs of system designers looking to expand the number of I/Os in space-constrained environments. This product is particularly adept at simplifying the integration process in complex systems by allowing additional ports through a single SPI connection, making it ideal for applications requiring additional capacity without the cost of upgrading the main processor.
MCP23S18T-E/MJ Features
This I/O expander includes features that enhance its usability and functionality in various applications. Key features include 16-bit remote bidirectional I/O port expansion, high-speed SPI interface, and broad operating voltage range. Additionally, the MCP23S18T-E/MJ supports interrupt output to alert the host controller on input changes, which is crucial for real-time system responsiveness. Its extended temperature range ensures reliable performance in diverse environmental conditions.
MCP23S18T-E/MJ Applications
- Home Automation Systems: Used to increase the number of sensors and actuators managed by the main control unit without requiring additional processing power.
- Industrial Automation: Integrates seamlessly into PLC systems for extended input/output capabilities, aiding in complex manufacturing processes.
- Automotive Applications: Enhances control systems by expanding inputs and outputs for additional sensors and controls within vehicle architectures.
- Server Management: Applied in server farms to manage more input/output operations efficiently, improving server performance and monitoring.
- Consumer Electronics: Enables additional functionalities in devices such as smart televisions and gaming consoles by expanding their I/O capacity.
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