PCA9554DW
- Mfr.Part #
- PCA9554DW
- Manufacturer
- Texas Instruments
- Package / Case
- 16-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC I/O EXPANDER I2C 8B 16SOIC
- Stock
- 2,001
- In Stock :
- 2,001
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- Manufacturer :
- Texas Instruments
- Product Category :
- I/O Expanders
- Number of I/O :
- 8
- Supply Current-Max :
- 0.175mA
- Supply Voltage :
- 3V
- Lead Free :
- Lead Free
- Pbfree Code :
- yes
- Output Type :
- Push-Pull
- Feature :
- POR
- Base Part Number :
- CA9554
- Height :
- 2.65mm
- Operating Temperature :
- -40°C~85°C
- Thickness :
- 2.35mm
- Terminal Position :
- Dual
- Interrupt Output :
- yes
- Number of Ports :
- 1
- Packaging :
- Tape and Reel (TR)
- Package / Case :
- 16-SOIC (0.295, 7.50mm Width)
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Operating Supply Voltage :
- 5.5V
- Width :
- 7.5mm
- Weight :
- 420.395078mg
- Interface :
- I2C, SMBus
- Clock Frequency :
- 400kHz
- Qualification Status :
- Not Qualified
- Terminal Form :
- Gull wing
- Length :
- 10.3mm
- Mounting Type :
- Surface Mount
- Lifecycle Status :
- ACTIVE (Last Updated: 3 days ago)
- Terminal Pitch :
- 1.27mm
- Power Supplies :
- 2.5/5V
- Number of Pins :
- 16
- Number of Bits :
- 8
- Surface Mount :
- yes
- Factory Lead Time :
- 6 Weeks
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- ECCN Code :
- EAR99
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- JESD-609 Code :
- e4
- Peak Reflow Temperature (Cel) :
- 260
- RoHS Status :
- ROHS3 Compliant
- Current - Output Source/Sink :
- 10mA 25mA
- Number of Terminations :
- 16
- Pin Count :
- 16
- Voltage - Supply :
- 2.3V~5.5V
- Datasheets
- PCA9554DW

I/O Expanders Texas Instruments PCA9554DW Overview
The I/O Expanders Texas Instruments PCA9554DW is a highly versatile and reliable component designed for seamless integration into a variety of digital communication environments. Engineered by Texas Instruments, this integrated circuit specializes in expanding I/O capabilities using the I2C bus interface. It offers an effective solution for systems that require additional input/output ports without the need for increasing the number of microcontrollers or processors. This device is encapsulated in a 16-SOIC package, ensuring compactness and ease of embedding in space-constrained applications. Its robust design and Texas Instruments' cutting-edge technology make the PCA9554DW an ideal choice for developers looking to enhance system functionality with minimal hardware adjustments.
PCA9554DW Features
The PCA9554DW I/O expander includes features that are crucial for a wide range of applications, such as 8-bit I/O port expansion, low standby current, and an interrupt output. Additionally, its compatibility with most microcontrollers via the I2C bus enhances its versatility in various electronic configurations. The device also supports multiple device addressing, allowing the connection of up to eight devices on the same bus without address conflicts.
PCA9554DW Applications
- Home Automation Systems: Integrates seamlessly to add more inputs and outputs for managing lighting, security, and other automated services.
- Industrial Control: Used in control panels where additional I/Os are necessary for handling sensors, switches, and actuaries with minimal processor load.
- Server Management: Expands I/O ports on server motherboards for enhanced control and monitoring capabilities.
- Portable Devices: Provides additional I/O options in compact devices without significantly increasing power consumption or form factor.
- Consumer Electronics: Used in devices like smart TVs and gaming consoles to manage multiple inputs and outputs efficiently.
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