PCA9557D112
- Mfr.Part #
- PCA9557D112
- Manufacturer
- NXP Semiconductors
- Package / Case
- 16-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC I/O EXPANDER I2C 8B 16SOIC
- Stock
- 31,072
- In Stock :
- 31,072
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- Manufacturer :
- NXP Semiconductors
- Product Category :
- I/O Expanders
- Height Seated (Max) :
- 1.75mm
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- JESD-609 Code :
- e4
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Number of Terminations :
- 16
- Base Part Number :
- PCA9557
- Number of I/O :
- 8
- Terminal Position :
- Dual
- Width :
- 3.9mm
- Length :
- 9.9mm
- JESD-30 Code :
- R-PDSO-G16
- Output Type :
- Open Drain, Push-Pull
- Number of Ports :
- 1
- Package / Case :
- 16-SOIC (0.154, 3.90mm Width)
- Clock Frequency :
- 400kHz
- Surface Mount :
- yes
- Feature :
- POR
- Number of Bits :
- 8
- Interface :
- I2C, SMBus
- Terminal Pitch :
- 1.27mm
- Peak Reflow Temperature (Cel) :
- 260
- Interrupt Output :
- No
- Current - Output Source/Sink :
- 10mA 20mA
- Factory Lead Time :
- 7 Weeks
- Voltage - Supply :
- 2.3V~5.5V
- Packaging :
- Tube
- Operating Temperature :
- -40°C~85°C
- RoHS Status :
- ROHS3 Compliant
- Mounting Type :
- Surface Mount
- Pin Count :
- 16
- Terminal Form :
- Gull wing
- Published :
- 2002
- Terminal Finish :
- NICKEL PALLADIUM GOLD
- Power Supplies :
- 2.5/5V
- Datasheets
- PCA9557D112

I/O Expanders NXP Semiconductors PCA9557D112 Overview
The I/O Expanders NXP Semiconductors PCA9557D112 is a state-of-the-art integrated circuit designed to enhance the efficiency of I2C communication systems. This product allows for significant expansion of I/O capabilities without needing additional microcontroller pins. The PCA9557D112 is housed in a 16SOIC package, making it compact and suitable for high-density applications where space is at a premium. Its capability to operate over a broad voltage range and its easy programmability make it a versatile solution tailored for managing multiple I/O operations seamlessly.
PCA9557D112 Features
The PCA9557D112 offers numerous features that make it an indispensable component for developers looking to expand their system's I/O capabilities through I2C bus. It supports 8 I/O pins that can be configured as inputs or outputs. Each pin is equipped with latched outputs with high-current drive capability and pull-up resistors, which are crucial for robust, reliable operation in diverse environments. Additionally, the device features an interrupt output which provides an alert to the host controller whenever an input state changes, thus enabling efficient real-time monitoring and response strategies.
PCA9557D112 Applications
- Industrial Control Systems: In industrial settings, the PCA9557D112 can be used to manage additional sensors and actuators, streamlining the automation and monitoring processes.
- Server Farms: This IC can efficiently expand the number of status indicators and manage control lines, enhancing the monitoring and maintenance capabilities in server environments.
- Home Automation Systems: The PCA9557D112 is ideal for extending input/output ports for smart home devices, allowing centralized control and improved connectivity of various home automation elements.
- Consumer Electronics: It is used in devices such as TVs and sound systems to control additional buttons, indicators, or extend remote control functionalities.
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