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The Renesas Electronics 74LVCH16543APAG is a 16-bit I2C-bus and SMBus I/O port with an interrupt output. It is part of the LVCH family of high-speed CMOS logic ICs. Functions: - 16-bit I/O expander. - Provides 16-bit parallel-in/serial-out data shifting. - Includes a 16-bit latch for bus hold applications. - Provides an interrupt output flag that can be configured for active high or active low operation. Applications: - I/O expansion in microcontroller systems. - Data shifting and storage in digital systems. - Interrupt generation for system alerts. - Control and monitoring in industrial automation. Alternative Components: 1. 74HC165: 8-bit parallel-in, serial-out shift register. 2. 74F675A: 16-bit shift register. 3. SN74LVCH16541A: 16-bit parallel-in, parallel-out shift register. Embedded Modules: - I2C-bus interface module. - SMBus interface module. - Interrupt output module. Related Q&A: 1. Can the 74LVCH16543APAG be cascaded for more I/O expansion? - Yes, multiple devices can be cascaded together for increased I/O expansion. 2. What is the maximum clock frequency supported by this IC? - The maximum clock frequency supported is typically in the MHz range depending on the operating conditions. 3. How is the interrupt output configured on the 74LVCH16543APAG? - The interrupt output can be configured for active high or active low operation via internal control registers. 4. What is the power supply voltage range for this IC? - The typical power supply voltage range is between 2.0V to 3.6V. 5. Can the 74LVCH16543APAG be used in automotive applications? - Yes, this IC is suitable for automotive applications as it is designed to meet automotive quality standards.