
Allicdata Part #: | MCP23009-E/MG-ND |
Manufacturer Part#: |
MCP23009-E/MG |
Price: | $ 0.87 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Microchip Technology |
Short Description: | IC I/O EXPANDER I2C 8B 16QFN |
More Detail: | I/O Expander 8 I²C 3.4MHz 16-QFN-EP (3x3) |
DataSheet: | ![]() |
Quantity: | 5398 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
1 +: | $ 0.78750 |
25 +: | $ 0.65545 |
100 +: | $ 0.59699 |
Series: | -- |
Packaging: | Tube |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Number of I/O: | 8 |
Interface: | I²C |
Interrupt Output: | Yes |
Features: | POR |
Output Type: | Open Drain |
Current - Output Source/Sink: | 25mA |
Clock Frequency: | 3.4MHz |
Voltage - Supply: | 1.8 V ~ 5.5 V |
Operating Temperature: | -40°C ~ 125°C |
Mounting Type: | Surface Mount |
Package / Case: | 16-VFQFN Exposed Pad |
Supplier Device Package: | 16-QFN-EP (3x3) |
Base Part Number: | MCP23009 |
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Interface - I/O Expanders are broadly used in numerous applications ranging from home automation to healthcare and industrial automation. An I/O Expander is basically a peripheral device usually used to extend the number of integrated input-output ports available on a microcontroller. One of the finest examples of such a device is MCP23009-E/MG.
MCP23009-E/MG is an 8-bit I/O Expander that includes an 8-bit digital input port, 8-bit interrupt port, 8-bit digital output port, a write-only port that can be used to control input pin configuration pins, and a write-only port to control the output pin configuration pins. This device is built by Microchip, a leading semiconductor company.
The device operates at a power supply voltage of 2.6V to 5.5V and has one dedicated interrupt output pin. It is a perfect \'plug and play\' device which does not require any external programming for configuration. It is available in various package types such as 8-pin SO, 8-pin SSOP, 8-pin MLP and 8-pin TSSOP.
The key advantages of using MCP23009-E/MG are that it is highly flexible, simple to use and requires low power consumption. It has a low operating temperature of -40°C to 85°C, making it suitable for a wide variety of applications. It also offers the flexibility to configure for different bus-mastering and address modes.
MCP23009-E/MGhas some built-in features that allow it to be used in different applications and applications. Some of them include:
- High speed and low voltage communication interface that supports both SPI and I2C.
- Programmable input / output port selection port.
- Configurable pin polarity.
- Ready/busy and interrupt flags.
- 8-bit data direction configuration.
- 10-bit digital input port.
- 10-bit digital output port.
- Status LED for four output pins.
In addition, MCP23009-E/MG is made using advanced semiconductor process and has various integrated circuit protection features that help ensure reliable operation. It also provides software and hardware protection against angular overvoltage, reverse polarity and ESD.
The working principle of MCP23009-E/MG is very simple. When the external power is applied, the device will initiate the communication between the external system and microcontroller by initiating a read or write cycle. The selected pins of the device will be configured as a function according to the predetermined configuration options. Then, the device will transfer data between the external system and the microcontroller. Once the data transfer is finished, the device will wait for a new command to start the communication process.
MCP23009-E/MG is an effective and budget friendly I/O expander. The device is being used in a wide range of applications ranging from industrial automation to health care and home automation. Its low power requirement and simple configuration make it the ideal device for cost-sensitive applications. By combining the device with the advanced features of Microchip technology, engineers have access to a powerful and reliable I/O Expander.
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