Integrated Circuits (ICs)
MCP23S18-E/MJ
ActiveMicrochip Technology
I/O EXPANDER, 16BIT, 3.4 MHZ, I2C, SERIAL, SPI, 1.8 V, 5.5 V, QFN ROHS COMPLIANT: YES
Integrated Circuits (ICs)
MCP23S18-E/MJ
ActiveMicrochip Technology
I/O EXPANDER, 16BIT, 3.4 MHZ, I2C, SERIAL, SPI, 1.8 V, 5.5 V, QFN ROHS COMPLIANT: YES
Technical Specifications
Parameters and characteristics for this part
| Specification | MCP23S18-E/MJ |
|---|---|
| Clock Frequency | 10 MHz |
| Current - Output Source/Sink | 25 mA |
| Interface | SPI |
| Interrupt Output | True |
| Mounting Type | Surface Mount |
| Number of I/O | 16 |
| Operating Temperature [Max] | 125 °C |
| Operating Temperature [Min] | -40 °C |
| Output Type | Open Drain |
| Package / Case | 24-VFQFN Exposed Pad |
| Supplier Device Package | 24-QFN (4x4) |
| Voltage - Supply [Max] | 5.5 V |
| Voltage - Supply [Min] | 1.8 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Tube | 1 | $ 2.15 | |
| 25 | $ 1.80 | |||
| 100 | $ 1.63 | |||
| Microchip Direct | TUBE | 1 | $ 2.15 | |
| 25 | $ 1.80 | |||
| 100 | $ 1.63 | |||
| 1000 | $ 1.57 | |||
| 5000 | $ 1.56 | |||
| Newark | Each | 1 | $ 2.24 | |
| 10 | $ 2.06 | |||
| 25 | $ 1.87 | |||
| 50 | $ 1.79 | |||
| 182 | $ 1.70 | |||
Description
General part information
MCP23S18 Series
The MCP23X18 device provides 16-bit, general purpose parallel I/O expansion for I2C bus or SPI applications. The two devices differ only in the serial interface.
• MCP23018 - I2C interface
• MCP23S18 - SPI interface
Documents
Technical documentation and resources
