MCP23017-E/SO
Part Number: MCP23017-E/SO
Manufacturer/Brand: MICROCHIP
Description: 16-bit Input/output (I/O) expander, 1.7 MHz Frequency, 16 Additional I/O pins, SOP28 Package.
Product Category: Interface – I/O Expanders
Package/Case: SOP8
Stock Condition: 12,000, Can Ship in 48 Hours
Minimum: 1 Multiple: 1 Price For: Each
| Quantity | Price |
|---|---|
| 1+ | $1.62 |
| 10+ | $1.35 |
| 100+ | $1.24 |
About MCP23017-E/SO
The MCP23017-E/SO is an IC (integrated circuit) that serves as an I/O (input/output) expander, allowing for the expansion of the number of I/O ports in applications using the I2C (Inter-Integrated Circuit) or SPI (Serial Peripheral Interface) protocols. It provides 16 bits of general-purpose I/O expansion and operates at a frequency of 1.7 MHz. The device has an I2C interface and is housed in a SOP28 package.
The MCP23017-E/SO features multiple 8-bit configuration registers for input, output, and polarity selection. By writing the I/O configuration bits, the system master can enable the I/Os as either inputs or outputs. The data for each input or output is stored in the corresponding register. The Polarity Inversion register allows for the inversion of the Input Port register’s polarity. All registers can be accessed and read by the system master.
The MCP23017-E/SO includes two 8-bit ports that function as a 16-bit I/O port. It can operate in both 8-bit and 16-bit modes, with the mode being selected via the IOCON.BANK setting.
Features
- I/O Expansion: Provides 16 bits of general-purpose I/O expansion, allowing for the connection of additional devices and peripherals.
- I2C Interface: The device features an I2C interface, which enables communication with other devices using the I2C protocol.
- Multiple Configuration Registers: The MCP23017-E/SO has multiple 8-bit configuration registers for input, output, and polarity selection. These registers allow the system master to enable I/Os as inputs or outputs and control the polarity of the input port register.
- Data Storage: The data for each input or output is stored in the corresponding register, allowing for easy retrieval and manipulation by the system master.
- Polarity Inversion: The Polarity Inversion register allows for the inversion of the Input Port register’s polarity, providing flexibility in signal processing.
Specifications
TYPE | DESCRIPTION |
|---|---|
Category | Interface – I/O Expanders |
Mfr | Microchip Technology |
Package | Tube |
Product Status | Active |
DigiKey Programmable | Not Verified |
Number of I/O | 16 |
Interface | I²C |
Interrupt Output | Yes |
Features | POR |
Output Type | Push-Pull |
Current – Output Source/Sink | 25mA |
Clock Frequency | 1.7 MHz |
Voltage – Supply | 1.8V ~ 5.5V |
Operating Temperature | -40°C ~ 125°C |
Mounting Type | Surface Mount |
Package / Case | SOP28 |
Base Product Number | MCP23017 |
Applications
- Interface with I2C or SPI Devices: It can be used to interface with other devices or peripherals that use the I2C or SPI protocols, such as sensors, displays, memory modules, and communication devices.
- Signal Processing: The MCP23017-E/SO’s ability to invert the input port’s polarity can be useful in applications where signal processing or signal compatibility is required.
- System Control: It can be employed in controlling and monitoring systems, providing a means to expand the I/O capabilities of microcontrollers and other control devices.
- Prototyping and Development: The MCP23017-E/SO can be used in the prototyping and development stages of electronic projects, facilitating the testing and integration of various components and subsystems.
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