MICROCHIP - MCP23017-E/SP - Expander I/O, 16 bits, 1.7 MHz, I2C, Série, 1.8 V, 5.5 V, DIP MCP23017 is a 16-bit I/O expander with a serial interface.
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Sep 3, 2021
Reg Lawson
How to connect the MCP23017 GPIO Expander to an Arduino and Raspberry Pi
MICROCHIP - MCP23017-E/SP - Expander I/O, 16 bits, 1.7 MHz, I2C, Série, 1.8 V, 5.5 V, DIP
MCP23017 is a 16-bit I/O expander with a serial interface. This article mainly covers datasheet, pinout, features, and other details about MCP23017.
MCP23017-E/SP
| Quantity | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $3.37954 | $3.38 |
| 10+ | $3.18824 | $31.88 |
| 100+ | $3.00778 | $300.78 |
| 500+ | $2.83753 | $1418.77 |
| 1000+ | $2.67691 | $2676.91 |
Symbol
Symbol
Footprint
Footprint
3D Model
3D Model
The MCP23017 is a port expander that gives you virtually identical PORTS compared to standard microcontrollers e.g. Arduino or PIC devices and it even includes interrupts. It gives you an extra 16 I/O pins using an I2C interface as well as comprehensive interrupt control.
•16-Bit Remote Bidirectional I/O Port:
- I/O pins default to input
• High-Speed I2C Interface (MCP23017):
- 100 kHz
- 400 kHz
- 1.7 MHz
• High-Speed SPI Interface (MCP23S17):
- 10 MHz (maximum)
• Three Hardware Address Pins to Allow Up to
Eight Devices on the Bus
• Configurable Interrupt Output Pins:
- Configurable as active-high, active-low or
open-drain
• INTA and INTB Can Be Configured to Operate
Independently or Together
• Configurable Interrupt Source:
- Interrupt-on-change from configured register defaults or pin changes
• Polarity Inversion Register to Configure the
Polarity of the Input Port Data
• External Reset Input
• Low Standby Current: 1 µA (max.)
• Operating Voltage:
- 1.8V to 5.5V @ -40°C to +85°C
- 2.7V to 5.5V @ -40°C to +85°C
- 4.5V to 5.5V @ -40°C to +125°C
Microchip Technology MCP23017-E/SP technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology MCP23017-E/SP.
Microchip Technology MCP23017-E/SP technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology MCP23017-E/SP.
| Product Attribute | Attribute Value | |
|---|---|---|
| Factory Lead Time | 12 Weeks | |
| Mount | Surface Mount, Through Hole | |
| Mounting Type | Through Hole | |
| Package / Case | 28-DIP (0.300, 7.62mm) | |
| Number of Pins | 28Pins | |
| Number of I/Os | 16I/Os | |
| Operating Temperature | -40°C~125°C | |
| Packaging | Tube | |
| Published | 2006 | |
| JESD-609 Code | e3 | |
| Pbfree Code | yes | |
| Part Status | Active | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | |
| Number of Terminations | 28Terminations |
| Product Attribute | Attribute Value | |
|---|---|---|
| ECCN Code | EAR99 | |
| Terminal Finish | Matte Tin (Sn) | |
| Voltage - Supply | 1.8V~5.5V | |
| Terminal Position | DUAL | |
| Peak Reflow Temperature (Cel) | NOT APPLICABLE | |
| Supply Voltage | 5V | |
| Terminal Pitch | 2.54mm | |
| Time@Peak Reflow Temperature-Max (s) | NOT APPLICABLE | |
| Base Part Number | MCP23017 | |
| Pin Count | 28 | |
| Qualification Status | Not Qualified | |
| Output Type | Push-Pull | |
| Power Supplies | 5V | |
| Number of Channels | 1Channel |
| Product Attribute | Attribute Value | |
|---|---|---|
| Interface | I2C | |
| Number of Ports | 2Ports | |
| Nominal Supply Current | 1mA | |
| Number of Bits | 16Bits | |
| Clock Frequency | 1.7MHz | |
| Interrupt Output | Yes | |
| Current - Output Source/Sink | 25mA | |
| Features | POR | |
| Height Seated (Max) | 5.08mm | |
| Width | 7.62mm | |
| REACH SVHC | No SVHC | |
| RoHS Status | ROHS3 Compliant | |
| Lead Free | Lead Free |
To power, the MCP23017, connects the VDD pin to the +5V voltage rail, and the VSS pin to the ground rail. Connect the SCL and SDA pins on the MCP23017 to the I2C pins on the Raspberry Pi hardware. Set the I2C device address of the MCP23017 to '0x20' by grounding the A0, A1, A2 pins.
Microchip Technology Inc. is a leading provider of microcontroller and analog semiconductors, providing low-risk product development, lower total system cost, and faster time to market for thousands of diverse customer applications worldwide. Headquartered in Chandler, Arizona, Microchip offers outstanding technical support along with dependable delivery and quality.
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