onsemi

PCA9655EMTTXG

PCA9655EMTTXG Description

The PCA9655EMTTXG is a 16-bit I/O expander designed for I2C and SMBus communication. Manufactured by onsemi, this device is an obsolete product with a clock frequency of 100 kHz, making it suitable for applications requiring high-speed data transfer. It operates within a voltage supply range of 1.65V to 5.5V and can source or sink a current of 42mA. The PCA9655EMTTXG is surface-mountable and is packaged in a Tape & Reel (TR) format. It is compliant with the RoHS3 standard and is unaffected by REACH regulations.

PCA9655EMTTXG Features

• 16-bit I/O Expander: Offers 16 I/O lines for expanding the capabilities of microcontrollers and processors.
• I2C and SMBus Interface: Enables communication with a wide range of devices and systems that use these popular protocols.
• 100 kHz Clock Frequency: Supports high-speed data transfer for efficient operation.
• 1.65V to 5.5V Supply Voltage: Provides flexibility in power supply requirements.
• 42mA Source/Sink Current: Ensures reliable operation with various loads.
• Surface Mount: Facilitates easy integration into PCB designs.
• Tape & Reel Packaging: Ideal for automated assembly processes.
• RoHS3 Compliant: Meets environmental standards for hazardous substances.
• REACH Unaffected: Complies with European regulations on the registration, evaluation, authorization, and restriction of chemicals.

PCA9655EMTTXG Applications

The PCA9655EMTTXG is ideal for applications that require high-speed I/O expansion, such as:

1. Industrial Control Systems: For expanding the number of digital inputs and outputs in automation and control systems.
2. Automotive Applications: To interface with various sensors and actuators in vehicles.
3. Consumer Electronics: For expanding the functionality of devices like home automation systems and smart appliances.
4. Telecommunications: To interface with equipment that requires high-speed data transfer and control.

Conclusion of PCA9655EMTTXG

The PCA9655EMTTXG is a versatile I/O expander that offers high-speed communication, flexible power supply options, and a wide range of I/O lines. While it is an obsolete product, it remains a valuable solution for applications that require reliable and efficient I/O expansion. Its unique features, such as the 100 kHz clock frequency and 42mA source/sink current, make it suitable for demanding applications where performance is critical. Despite its obsolescence, the PCA9655EMTTXG continues to be a reliable choice for designers looking to expand the capabilities of their systems.