The PCF8574APWR is a sophisticated, high-performance product from Texas Instruments, a renowned global semiconductor company that designs, manufactures, tests, and sells analog and embedded processing chips.

• Type: 8-bit I/O expander for the two-line bidirectional bus (I2C).
• Operation Voltage: Designed for 2.5V to 6V VCC operation.
• Function: Offers an effective solution for expanding the I/O capability of microcontrollers where additional I/Os are needed.
• Features: Low current consumption, operates via an I2C interface, and provides an interrupt output.
• Additional Features: Internal power-on reset, recognizes a LOW to HIGH transition on SDA as a STOP signal, and includes an open-drain interrupt (INT) output.
• Applications: Servers, telecom, industrial, and consumer electronics, LED signs and displays, security systems, and appliances.
• Package: Comes in a TSSOP-16 package.
• Operation Temperature: Characterized for operation from -40°C to 85°C.