The PCA9538DWR from Texas Instruments is a highly sophisticated and advanced integrated circuit designed to provide exceptional performance and efficiency.

• Category: Interface - I/O Expanders
• Function: 8-bit I²C and SMBus, low power I/O expander with an interrupt in 16 pin SOIC package
• Interface: I²C interface serial clock (SCL) and serial data (SDA)
• I/O Port: 8-bit quasi-bidirectional I/O port (P7–P0), including latched outputs with high current drive capability
• Reset Input: Active-low reset input (RESET)
• I/O Configuration: Each I/O port can be configured as an input or output
• Bus Technology: Operates via a two-wire bidirectional bus
• I²C Address: Fixed I²C address allows up to eight devices to share the same I²C bus or SMBus
• Standby Current: Low standby current
• Operating Voltage Range: 2.3V to 5.5V
• RoHS Compliant: Yes
• Lead-Free: Yes