PCA9544APWT
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- Mfr.Part #
- PCA9544APWT
- Manufacturer
- Texas Instruments
- Package / Case
- 20-TSSOP (0.173, 4.40mm Width)
- Datasheet
- Download
- Description
- IC INTERFACE SPECIALIZED 20TSSOP
- Stock
- 4,045
- In Stock ：
- 4,045
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- Manufacturer :
- Texas Instruments
- Product Category :
- Specialized
- Logic Function :
- Multiplexer
- Length :
- 6.5mm
- Operating Supply Current :
- 3μA
- Output Polarity :
- TRUE
- Max Frequency :
- 400kHz
- Width :
- 4.4mm
- Pbfree Code :
- yes
- Factory Lead Time :
- 6 Weeks
- Temperature Grade :
- Industrial
- Terminal Pitch :
- 0.65mm
- Max Operating Temperature :
- 85°C
- Packaging :
- Tape and Reel (TR)
- Supply Voltage-Min (Vsup) :
- 2.3V
- Mounting Type :
- Surface Mount
- Thickness :
- 1mm
- JESD-609 Code :
- e4
- Interface :
- I2C, SMBus
- RoHS Status :
- ROHS3 Compliant
- Packing Method :
- TR
- Min Operating Temperature :
- -40°C
- Peak Reflow Temperature (Cel) :
- 260
- Bandwidth :
- 400 kHz
- Resistance :
- 45Ohm
- Surface Mount :
- yes
- Supply Voltage :
- 2.5V
- Package / Case :
- 20-TSSOP (0.173, 4.40mm Width)
- Weight :
- 76.997305mg
- Radiation Hardening :
- No
- Propagation Delay :
- 1 ns
- Applications :
- Translating Switch
- Number of Channels :
- 4
- Number of Outputs :
- 1
- Number of Terminations :
- 20
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Supply Voltage-Max (Vsup) :
- 5.5V
- Base Part Number :
- CA9544
- Voltage - Supply :
- 2.3V~5.5V
- Terminal Position :
- Dual
- Power Dissipation :
- 400mW
- Max Power Dissipation :
- 400mW
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Lifecycle Status :
- ACTIVE (Last Updated: 2 days ago)
- Terminal Form :
- Gull wing
- Lead Free :
- Lead Free
- Height :
- 1.2mm
- Number of Pins :
- 20
- Number of Functions :
- 1
- Pin Count :
- 20
- Datasheets
- PCA9544APWT
Specialized Texas Instruments PCA9544APWT Overview
The Specialized Texas Instruments PCA9544APWT is a high-performance interface IC designed specifically for advanced multiplexing applications. This IC enables four different I2C or SMBus devices to communicate with a single host controller, significantly expanding system capabilities without requiring additional pins on the main processor. Its compact 20-TSSOP package is ideal for space-constrained applications, offering a scalable solution for complex embedded systems. The PCA9544APWT is particularly suited for environments where multiple sensors, peripherals, or tasks need to operate seamlessly over a common communication bus, enhancing both system efficiency and reliability.
PCA9544APWT Features
This specialized interface IC boasts several key features including four bidirectional translating switches that can connect any combination of I2C or SMBus devices. Each channel can be independently selected through a simple I2C-bus interface, which also supports interrupt-driven communication, minimizing the need for continuous host monitoring and thus reducing power consumption. The PCA9544APWT is also equipped with active LOW interrupt outputs, further facilitating robust and flexible system design.
PCA9544APWT Applications
- Server Management: Utilizes channel switching capabilities to monitor and control multiple server sensors through a single host controller, simplifying infrastructure and enhancing system diagnostics.
- Multi-Zone Audio Systems: Enables distinct audio components to communicate over a single I2C bus, allowing for streamlined integration and control of complex audio processing units.
- Industrial Automation: Facilitates the connection of a variety of sensors and actuators to a central processor, optimizing process control and data acquisition in automated production lines.
- Telecommunications Equipment: Applied in managing multiple communication modules within network devices, ensuring efficient data exchange and system performance monitoring without overwhelming the main processor.
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