PCA9554APW
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- Mfr.Part #
- PCA9554APW
- Manufacturer
- Texas Instruments
- Package / Case
- 16-TSSOP (0.173, 4.40mm Width)
- Datasheet
- Download
- Description
- IC I/O EXPANDER I2C 8B 16TSSOP
- Stock
- 902
- In Stock ：
- 902
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- Manufacturer :
- Texas Instruments
- Product Category :
- I/O Expanders
- Number of Pins :
- 16
- Number of Bits :
- 8
- Terminal Form :
- Gull wing
- Interrupt Output :
- yes
- RoHS Status :
- ROHS3 Compliant
- Package / Case :
- 16-TSSOP (0.173, 4.40mm Width)
- Packaging :
- Tube
- Length :
- 5mm
- Terminal Position :
- Dual
- Pbfree Code :
- yes
- Clock Frequency :
- 400kHz
- JESD-609 Code :
- e4
- Operating Supply Current :
- 104μA
- Pin Count :
- 16
- Supply Current-Max :
- 0.175mA
- Weight :
- 61.887009mg
- Thickness :
- 1mm
- Contact Plating :
- Gold
- Radiation Hardening :
- No
- Height :
- 1.2mm
- Feature :
- POR
- Number of I/O :
- 8
- Voltage - Supply :
- 2.3V~5.5V
- Lifecycle Status :
- NRND (Last Updated: 6 days ago)
- ECCN Code :
- EAR99
- Output Type :
- Push-Pull
- Lead Free :
- Lead Free
- Supply Voltage :
- 5V
- Interface :
- I2C, SMBus
- Current - Output Source/Sink :
- 10mA 25mA
- Surface Mount :
- yes
- Number of Terminations :
- 16
- Operating Temperature :
- -40°C~85°C
- Number of Ports :
- 1
- Mounting Type :
- Surface Mount
- Power Supplies :
- 2.5/5V
- Operating Supply Voltage :
- 5.5V
- Width :
- 4.4mm
- Base Part Number :
- CA9554
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Peak Reflow Temperature (Cel) :
- 260
- Datasheets
- PCA9554APW
I/O Expanders Texas Instruments PCA9554APW Overview
The I/O Expanders Texas Instruments PCA9554APW is a highly versatile, 8-bit I/O expander designed for the I2C bus interface. This compact component, housed in a 16-TSSOP package, enables the extension of input/output capabilities of microcontrollers or processors which have limited GPIOs. Its primary function is to provide additional I/O ports by converting serial input into parallel outputs and vice versa, thereby optimizing system design and efficiency in sophisticated control environments. The PCA9554APW is especially suited for applications requiring additional I/O lines and supports a wide range of applications including servers, personal computers, and industrial automation systems, making it an ideal choice for businesses looking to scale their operations effectively.
PCA9554APW Features
This I/O expander features an 8-bit I/O port, interrupt output, and configurable polarity inversion, all accessible through a simple I2C bus interface. The PCA9554APW operates over a supply voltage range of 2.3V to 5.5V, which accommodates a variety of common logic levels and power systems. Enhanced with built-in power-on reset and low standby current, this device is crafted for robust performance and reliability.
PCA9554APW Applications
- Industrial Control Systems: Utilizes the PCA9554APW to add additional I/O ports for sensor interfaces, thereby expanding control capabilities without the need for major hardware changes.
- Home Automation: Integrates seamlessly into smart home devices, allowing for extended input/output functionalities which can manage multiple devices through minimal GPIOs on the main controller.
- Server Management: Employs the PCA9554APW in server farms to monitor and control a large number of status indicators and switches remotely, enhancing the efficiency of infrastructure management.
- Personal Electronics: Utilized in personal electronic devices such as tablets and smartphones to increase the number of control interfaces available, improving usability and functionality.
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