Overview
The MCP23017-E/SS is a 16-bit general purpose I/O expander produced by Microchip Technology. This component is designed to provide parallel I/O expansion for I2C or SPI bus applications. It is available in a surface mount SSOP-28 package, making it suitable for a variety of embedded systems and microcontroller projects. The device operates over a wide voltage range and offers high-speed I2C interface capabilities, making it versatile for different application needs.
Key Specifications
| Attribute | Value |
|---|---|
| Interface Type | I2C |
| No of Channels | 1 |
| Clock Frequency-Max | 1.7 MHz |
| No of I/O Lines | 16 |
| Supply Voltage-Nom | 1.8V to 5.5V |
| Supply Current | 1 mA |
| Package Style | SSOP-28 |
| Mounting Method | Surface Mount |
| Operating Temperature | -40°C to +85°C |
Key Features
- 16-bit remote bidirectional I/O port
- I/O pins default to input
- High-speed I2C interface (100 kHz, 400 kHz, 1.7 MHz)
- Three hardware address pins to allow up to eight devices on the bus
- Configurable interrupt output pins (active-high, active-low, or open-drain)
- INTA and INTB can be configured to operate independently or together
- Configurable interrupt source and 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.)
Applications
The MCP23017-E/SS is suitable for a wide range of applications, including:
- Embedded systems requiring I/O expansion
- Microcontroller projects needing additional I/O ports
- Industrial control systems
- Automotive systems
- Consumer electronics
- Medical devices
Q & A
- What is the MCP23017-E/SS?
The MCP23017-E/SS is a 16-bit general purpose I/O expander with an I2C interface, produced by Microchip Technology. - What package type is the MCP23017-E/SS available in?
The MCP23017-E/SS is available in a surface mount SSOP-28 package. - What is the maximum clock frequency of the MCP23017-E/SS?
The maximum clock frequency is 1.7 MHz. - How many I/O lines does the MCP23017-E/SS have?
The MCP23017-E/SS has 16 I/O lines. - What is the operating voltage range of the MCP23017-E/SS?
The operating voltage range is from 1.8V to 5.5V. - Can the interrupt output pins be configured?
Yes, the interrupt output pins can be configured as active-high, active-low, or open-drain. - How many devices can be connected on the same I2C bus using the MCP23017-E/SS?
Up to eight devices can be connected on the same I2C bus using the three hardware address pins. - What is the standby current of the MCP23017-E/SS?
The standby current is 1 μA (max.). - Is the MCP23017-E/SS suitable for industrial applications?
Yes, the MCP23017-E/SS is suitable for industrial applications due to its robust specifications and operating temperature range. - Where can I find detailed specifications and datasheets for the MCP23017-E/SS?
Detailed specifications and datasheets can be found on Microchip Technology's official website or through authorized distributors like Future Electronics and RS Components.
