PCA9544AD,118
- Mfr.Part #
- PCA9544AD,118
- Manufacturer
- NXP Semiconductors
- Package / Case
- 20-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC INTERFACE SPECIALIZED 20SO
- Stock
- 22,733
- In Stock :
- 22,733
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- Manufacturer :
- NXP Semiconductors
- Product Category :
- Specialized
- Terminal Pitch :
- 1.27mm
- Operating Temperature (Min) :
- -40°C
- Number of Terminations :
- 20
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Voltage - Supply :
- 2.3V~3.6V 4.5V~5.5V
- JESD-30 Code :
- R-PDSO-G20
- Supply Voltage-Min (Vsup) :
- 2.3V
- Length :
- 12.8mm
- Peak Reflow Temperature (Cel) :
- 260
- RoHS Status :
- ROHS3 Compliant
- JESD-609 Code :
- e4
- Interface :
- I2C, SMBus
- Temperature Grade :
- Industrial
- Base Part Number :
- PCA9544A
- Supply Voltage :
- 3.3V
- Supply Voltage-Max (Vsup) :
- 3.6V
- Terminal Form :
- Gull wing
- Packaging :
- Tape and Reel (TR)
- Additional Feature :
- ALSO OPERATES WITH 3.6 TO 5.5V SUPPLY
- Logic IC Type :
- Multiplexer
- HTS Code :
- 8542.39.00.01
- Number of Functions :
- 1
- Height Seated (Max) :
- 2.65mm
- Applications :
- Translating Switch
- Pin Count :
- 20
- Propagation Delay (tpd) :
- 0.3 ns
- Factory Lead Time :
- 7 Weeks
- Package / Case :
- 20-SOIC (0.295, 7.50mm Width)
- Terminal Position :
- Dual
- Qualification Status :
- Not Qualified
- Number of Outputs :
- 1
- Number of Inputs :
- 2
- Output Polarity :
- TRUE
- Surface Mount :
- yes
- Mounting Type :
- Surface Mount
- Published :
- 2003
- Operating Temperature (Max) :
- 85°C
- Terminal Finish :
- NICKEL PALLADIUM GOLD
- Width :
- 7.5mm
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Datasheets
- PCA9544AD,118

Specialized NXP Semiconductors PCA9544AD,118 Overview
The NXP Semiconductors PCA9544AD,118 is an IC interface specialized for managing multiple I2C devices. This specialized interface chip is designed to enhance communication efficiency and reliability in complex systems by providing multiplexing capabilities for up to four I2C buses from a single master. The PCA9544AD,118 stands out in its category by ensuring stable and efficient management of I2C data traffic, which is critical in high-performance computing environments and densely populated electronic assemblies.
PCA9544AD,118 Features
This interface IC features four selectable I2C bus channels which are controlled via a simple I2C-bus interface and interrupt function, supporting I2C bus frequencies of up to 400 kHz. The PCA9544AD,118 incorporates active-low interrupt inputs and outputs, allowing for immediate response to critical events, enhancing system diagnostics and reliability. Additionally, it includes a power-down feature that significantly reduces power consumption when inactive, making it suitable for power-sensitive applications.
PCA9544AD,118 Applications
- Multi-channel I2C device management: Utilizes multiplexing to connect multiple I2C devices to a single host, reducing complexity and enhancing performance in systems like advanced sensor arrays.
- Server management: Manages multiple sensor inputs efficiently in server farms, allowing high-speed data collection and processing.
- Telecommunications equipment: Ideal for use in telecommunications systems where multiple modules require access to a common I2C bus, optimizing space and functionality.
- Consumer electronics: Employs in consumer gadgets such as multi-functional smart home systems, improving the integration of various I2C sensors and devices.
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