PCF8574AP112 - Brand New NXP Semiconductors I/O Expanders
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Description
The PCF8574AP112 is an electronic component belonging to the category of I/O Expanders. It is a silicon CMOS circuit designed to provide general-purpose remote I/O expansion for most families of microcontrollers. The PCF8574AP112 offers 8-bit quasi-bidirectional port and an I2C-bus interface. It consumes minimal current while also possessing latched outputs with high current drive capability for directly driving LEDs. Furthermore, it has an interrupt line (INT) which can be connected to the interrupt logic of the microcontroller. By sending an interrupt signal on this line, the remote I/O can inform the microcontroller of incoming data on its ports without having to communicate via the I2C-bus. The PCF8574AP112 means that the device remains a simple slave device.
Specifications and features
The PCF8574AP112 comes with the following features:
- Operating supply voltage 2.5 to 6 V
- Low standby current consumption of 10 µA maximum
- I2C-bus to parallel port expander
- Open-drain interrupt output
- 8-bit remote I/O port for the I2C-bus
- Compatible with most microcontrollers
- Latched outputs with high current drive capability for directly driving LEDs
- Addressed by 3 hardware address pins for use of up to 8 devices (up to 16 with PCF8574A)
- DIP16, or space-saving SO16 or SSOP20 packages.
Application Scenarios
The PCF8574AP112 is suitable for a wide range of embedded system applications such as flat-panel displays, medical equipment, and personal computers. It is also ideal for use in other applications that require control of various elements via I2C-bus interface.
Comparison
Advantages- Easily compatible with most microcontrollers, making for seamless integration into projects.
- Low standby current consumption with latched outputs with high current drive capability allows for straightforward direct driving of LEDs.
- Offers 8-bit remote I/O port for the I2C-bus.
- Has a low cost and comes in DIP16, or space-saving SO16 or SSOP20 packages for convenience.
Disadvantages- Does not come with any particular unique features aside from the basic purpose of providing general-purpose remote I/O expansion.
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Datasheet
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Shopping guide
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- Datasheet: Download PCF8574AP112
- Chipdatas Part: CD91-PCF8574AP112
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/13 04:30 +0800
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