CAT9555WI-T1
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- Mfr.Part #
- CAT9555WI-T1
- Manufacturer
- onsemi
- Package / Case
- 24-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC I/O EXPANDER I2C 16B 24SOIC
- Stock
- 38,673
- In Stock ：
- 38,673
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- Manufacturer :
- onsemi
- Product Category :
- I/O Expanders
- Terminal Position :
- Dual
- JESD-609 Code :
- e3
- Clock Frequency :
- 400kHz
- Power Dissipation :
- 1W
- Terminal Form :
- Gull wing
- Output Current :
- 50mA
- Output Type :
- Push-Pull
- Packaging :
- Tape and Reel (TR)
- Peak Reflow Temperature (Cel) :
- NOT SPECIFIED
- HTS Code :
- 8542.39.00.01
- Terminal Finish :
- Tin (Sn)
- RoHS Status :
- RoHS Compliant
- Base Part Number :
- CAT9555
- Surface Mount :
- yes
- Operating Temperature :
- -40°C~85°C
- Interrupt Output :
- yes
- Number of Ports :
- 2
- Number of Bits :
- 16
- Pin Count :
- 24
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Width :
- 7.47mm
- Package / Case :
- 24-SOIC (0.295, 7.50mm Width)
- Power Supplies :
- 2.5/5V
- Voltage - Supply :
- 2.3V~5.5V
- Lead Free :
- Lead Free
- Number of I/O :
- 16
- Qualification Status :
- Not Qualified
- Mounting Type :
- Surface Mount
- Number of Pins :
- 24
- Length :
- 15.3mm
- Pbfree Code :
- yes
- Supply Voltage :
- 3V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Height Seated (Max) :
- 2.65mm
- Feature :
- POR
- ECCN Code :
- EAR99
- REACH SVHC :
- No SVHC
- Interface :
- I2C, SMBus
- Number of Terminations :
- 24
- Terminal Pitch :
- 1.27mm
- Published :
- 2008
- Current - Output Source/Sink :
- 10mA 24mA
- Halogen Free :
- Halogen Free
- Datasheets
- CAT9555WI-T1
I/O Expanders onsemi CAT9555WI-T1 Overview
The onsemi CAT9555WI-T1 I/O Expander represents a key solution for system designers looking to increase the number of I/Os in their microcontroller-based projects without a significant increase in cost or complexity. This 16-bit I/O expander uses an I2C interface and comes in a compact 24-SOIC package, making it ideal for a wide range of applications in commercial and industrial environments. Its ability to interface directly with standard data buses addresses a critical need for expanding I/O capabilities in tightly packed system designs, ensuring that it meets the demands of sophisticated electronic systems while maintaining a low power footprint.
CAT9555WI-T1 Features
The CAT9555WI-T1 I/O Expander from onsemi features 16 I/O ports that can be individually configured as input or output. It operates over a standard I2C bus, allowing easy integration into existing systems with minimal overhead. Additional features include polarity inversion register to configure the polarity of the input port data and built-in power-on reset. The device supports multiple I2C bus frequencies, including 100kHz, 400kHz, and 1MHz, providing flexibility for different system requirements.
CAT9555WI-T1 Applications
- Home Automation Systems: Easily integrates into smart home devices for managing multiple inputs and outputs, such as controlling lights, thermostats, and other household sensors.
- Industrial Control: Enhances control systems by expanding I/O capabilities necessary for operating relays, switches, and sensors in manufacturing processes.
- Server Farms: Used in server management to handle signals from various control buttons and indicators across multiple server racks efficiently.
- Automotive Applications: Suitable for expanding I/O capabilities in automotive environments, managing functions such as lighting controls and dashboard indicators.
- Portable Devices: Helps in adding more I/O options to portable electronic devices without significantly increasing power consumption or design complexity.
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