| Allicdata Part #: | 296-21784-2-ND |
| Manufacturer Part#: |
PCA9554PWR |
| Price: | $ 0.70 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Texas Instruments |
| Short Description: | IC I/O EXPANDER I2C 8B 16TSSOP |
| More Detail: | I/O Expander 8 I²C, SMBus 400kHz 16-TSSOP |
| DataSheet: |  PCA9554PWR Datasheet/PDF |
| Quantity: | 1000 |
| 1 +: | $ 0.70000 |
| 10 +: | $ 0.67900 |
| 100 +: | $ 0.66500 |
| 1000 +: | $ 0.65100 |
| 10000 +: | $ 0.63000 |
Specifications
| Series: | -- |
| Packaging: | Tape & Reel (TR) |
| Part Status: | Not For New Designs |
| Number of I/O: | 8 |
| Interface: | I²C, SMBus |
| Interrupt Output: | Yes |
| Features: | POR |
| Output Type: | Push-Pull |
| Current - Output Source/Sink: | 10mA, 25mA |
| Clock Frequency: | 400kHz |
| Voltage - Supply: | 2.3 V ~ 5.5 V |
| Operating Temperature: | -40°C ~ 85°C |
| Mounting Type: | Surface Mount |
| Package / Case: | 16-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package: | 16-TSSOP |
| Base Part Number: | PCA9554 |
Description
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The PCA9554PWR is an extremely useful tool for expanding the number of I/O ports on a microcontroller. It is a kind of I/O expander that can be connected to a microcontroller to add additional I/O ports. This can be helpful when developing an application that need more input/output pins than are physically available on the microcontroller.The PCA9554PWR is a member of the PCA9554 family of I/O expanders. This family of expanders use the I2C bus to communicate with a microcontroller. It is a very simple device that can be used to isolate and buffer up to eight I/O lines, as well as operate in both push-pull or open-drain modes.The PCA9554PWR is a versatile tool that is used in a variety of applications. This device can be used in applications where additional I/O ports are required to interface with external components such as relays, solenoids, or other actuators. It can also be used for control or monitoring, as it can be used to sense the on/off state of switches, buttons, or other input devices.The working principle of the PCA9554PWR is very simple. The device is connected to the microcontroller using the I2C bus. The microcontroller then sends out commands over the I2C bus to the PCA9554PWR to configure it. Once configured, the PCA9554PWR can then be used to sense input and control output lines.The PCA9554PWR is an extremely versatile and cost effective tool for expanding the number of I/O ports on a microcontroller. It is an ideal solution for applications that need to add additional I/O ports and sense or control external components. With its easy to use I2C interface, it is also very simple to get up and running quickly.
The specific data is subject to PDF, and the above content is for reference
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