PCA9557DBR
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- Mfr.Part #
- PCA9557DBR
- Manufacturer
- Texas Instruments
- Package / Case
- 16-SSOP (0.209, 5.30mm Width)
- Datasheet
- Download
- Description
- IC I/O EXPANDER I2C 8B 16SSOP
- Stock
- 7,973
- In Stock ：
- 7,973
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- Manufacturer :
- Texas Instruments
- Product Category :
- I/O Expanders
- Operating Temperature :
- -40°C~85°C
- Operating Supply Voltage :
- 6V
- Weight :
- 128.593437mg
- Packaging :
- Tape and Reel (TR)
- RoHS Status :
- ROHS3 Compliant
- Pbfree Code :
- yes
- Number of Bits :
- 8
- Lifecycle Status :
- ACTIVE (Last Updated: 4 days ago)
- Surface Mount :
- yes
- Output Type :
- Open Drain, Push-Pull
- JESD-609 Code :
- e4
- Terminal Position :
- Dual
- Number of Pins :
- 16
- Contact Plating :
- Gold
- Voltage - Supply :
- 2.3V~5.5V
- Factory Lead Time :
- 6 Weeks
- Pin Count :
- 16
- Mounting Type :
- Surface Mount
- Power Supplies :
- 2.5/5V
- Terminal Form :
- Gull wing
- Current - Output Source/Sink :
- 10mA 25mA
- ECCN Code :
- EAR99
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Package / Case :
- 16-SSOP (0.209, 5.30mm Width)
- Number of I/O :
- 8
- Base Part Number :
- CA9557
- Peak Reflow Temperature (Cel) :
- 260
- Interrupt Output :
- No
- Feature :
- POR
- Number of Terminations :
- 16
- Supply Voltage :
- 2.5V
- Height :
- 2mm
- Interface :
- I2C, SMBus
- Clock Frequency :
- 400kHz
- Thickness :
- 1.95mm
- Terminal Pitch :
- 0.65mm
- Supply Current-Max :
- 0.025mA
- Width :
- 5.3mm
- Lead Free :
- Lead Free
- Number of Ports :
- 1
- Length :
- 6.2mm
- Datasheets
- PCA9557DBR
I/O Expanders Texas Instruments PCA9557DBR Overview
Optimize your digital communication needs with the Texas Instruments PCA9557DBR, a versatile and efficient I/O expander. As part of the robust family of I/O Expanders from Texas Instruments, the PCA9557DBR simplifies the extension of input/output functionalities within your embedded systems. This component leverages the I2C protocol, providing an excellent means of interfacing with a minimal number of pins and enabling control over up to 8 additional devices. Its compact 16-SSOP package ensures it fits seamlessly into space-constrained applications, while offering the reliability and performance expected from a leading semiconductor manufacturer.
PCA9557DBR Features
The PCA9557DBR features include an 8-bit I/O port expander with an I2C-bus interface, providing a straightforward solution for expanding bidirectional I/O lines. This expander supports multiple slave addresses, facilitating flexible design options and system scalability. Additional attributes such as polarity inversion and low standby current make it ideal for battery-operated devices. Its capability to operate across a wide voltage range (2.3V to 5.5V) and its built-in power-on reset further enhance its robustness and versatility in varied applications.
PCA9557DBR Applications
- Home Automation Systems: Utilized to manage additional sensors and actuators, the PCA9557DBR can handle multiple device controls through a single I2C bus, streamlining connectivity and reducing wiring complexity.
- Server Farm Management: Efficiently expands I/O ports for monitoring and controlling server environments, improving system management and operational reliability.
- Industrial Control Systems: Increases the number of I/O points available for sensors and output devices, critical in industrial environments for process automation and monitoring.
- Portable Electronics: In portable devices, it minimizes pin count requirements for microcontrollers, facilitating more compact and feature-rich designs.
- Consumer Electronics: Enhances functionality in devices such as smart TVs and gaming consoles by providing additional I/O options for user interface enhancements.
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