TCA9534DWT
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- Mfr.Part #
- TCA9534DWT
- Manufacturer
- Texas Instruments
- Package / Case
- 16-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC I/O EXPANDER I2C 8B 16SOIC
- Stock
- 9,847
- In Stock ：
- 9,847
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- Manufacturer :
- Texas Instruments
- Product Category :
- I/O Expanders
- Factory Lead Time :
- 6 Weeks
- Number of Ports :
- 1
- Number of Bits :
- 8
- Width :
- 7.5mm
- Lifecycle Status :
- ACTIVE (Last Updated: 3 days ago)
- Output Type :
- Push-Pull
- Number of I/O :
- 8
- Terminal Position :
- Dual
- Operating Temperature :
- -40°C~85°C
- Mounting Type :
- Surface Mount
- Supply Voltage :
- 1.8V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Height :
- 2.65mm
- Number of Terminations :
- 16
- Surface Mount :
- yes
- RoHS Status :
- ROHS3 Compliant
- Supply Current-Max :
- 0.04mA
- Length :
- 10.3mm
- uPs/uCs/Peripheral ICs Type :
- PARALLEL IO PORT, GENERAL PURPOSE
- Voltage - Supply :
- 1.65V~5.5V
- Interface :
- I2C
- Packaging :
- Tape and Reel (TR)
- Pbfree Code :
- yes
- Terminal Form :
- Gull wing
- Number of Pins :
- 16
- Package / Case :
- 16-SOIC (0.295, 7.50mm Width)
- Base Part Number :
- CA9534
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Interrupt Output :
- yes
- Thickness :
- 2.35mm
- JESD-609 Code :
- e4
- Clock Frequency :
- 400kHz
- Terminal Pitch :
- 1.27mm
- Datasheets
- TCA9534DWT
I/O Expanders Texas Instruments TCA9534DWT Overview
The Texas Instruments TCA9534DWT is a versatile, low-power I/O expander that enhances the performance of microcontroller-based systems by providing additional 8-bit parallel input/output expansion via the I2C bus. This component is designed to function efficiently in environments where input and output resources are limited, making it an ideal solution for expanding the capabilities of microcontrollers without adding significant cost or complexity. The integration of Texas Instruments' advanced technology in the TCA9534DWT offers an effective way to increase system functionality while minimizing power consumption and saving on board space, crucial for modern electronic designs.
TCA9534DWT Features
The TCA9534DWT I/O expander from Texas Instruments includes several features that make it exceptionally useful for a wide range of applications. Key features include 8-bit I/O ports which can be individually configured as inputs or outputs, an interrupt output which can be configured to indicate a change on input ports to the host microcontroller, thereby reducing the need for the microcontroller to continuously monitor the inputs. Additionally, it operates over a broad power supply range (2.3V to 5.5V) and features a built-in power-up reset to ensure consistent start-up sequences. Its I2C interface supports standard (100kHz), fast (400kHz), and fast-plus (1MHz) I2C speeds, making it highly adaptable to different system requirements.
TCA9534DWT Applications
- Smart Home Devices: Integrates seamlessly into home automation systems, providing expanded control for lighting, security systems, and other smart home elements through additional input and output management.
- Industrial Automation: Used in complex machinery to add more control points without altering existing microcontroller setups, facilitating enhanced monitoring and control of industrial processes.
- Consumer Electronics: Employed in devices like TVs and gaming consoles to manage various functionalities, improving user interface options and device versatility.
- Mobile Devices: Helps in extending battery life and reducing power consumption in mobile peripherals by efficiently managing additional I/Os, supporting the creation of more sophisticated features in compact devices.
- Healthcare Equipment: Applied in medical devices to handle multiple sensor inputs, aiding in patient monitoring systems that require reliable and precise control over numerous parameters.
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