
Integrated Circuits (ICs)
MCP23S18-E/SP
ActiveMicrochip Technology
I/O EXPANDER, 16 I/O, DIP-28 ROHS COMPLIANT: YES
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Integrated Circuits (ICs)
MCP23S18-E/SP
ActiveMicrochip Technology
I/O EXPANDER, 16 I/O, DIP-28 ROHS COMPLIANT: YES
Deep-Dive with AI
Technical Specifications
Parameters and characteristics for this part
| Specification | MCP23S18-E/SP |
|---|---|
| Clock Frequency | 10 MHz |
| Current - Output Source/Sink | 25 mA |
| Interface | SPI |
| Interrupt Output | True |
| Mounting Type | Through Hole |
| Number of I/O | 16 |
| Operating Temperature [Max] | 125 °C |
| Operating Temperature [Min] | -40 °C |
| Output Type | Open Drain |
| Package / Case | 0.3 in |
| Package / Case | 28-DIP |
| Package / Case | 7.62 mm |
| Supplier Device Package | 28-SPDIP |
| 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 | $ 2.26 | |
| 25 | $ 1.88 | |||
| 100 | $ 1.70 | |||
| Microchip Direct | TUBE | 1 | $ 2.26 | |
| 25 | $ 1.88 | |||
| 100 | $ 1.70 | |||
| 1000 | $ 1.66 | |||
| 5000 | $ 1.65 | |||
| Newark | Each | 1 | $ 2.22 | |
| 10 | $ 1.96 | |||
| 30 | $ 1.86 | |||
| 60 | $ 1.77 | |||
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