PCA9539 Remote 16-Bit I2C and SMBus Low-Power I/O Expander With Interrupt Output, Reset, and Configuration Registers

1 Features • Low standby-current consumption of 1 μA max • I2C to Parallel port expander • Open-drain active-low interrupt output • Active-low reset input • 5-V Tolerant I/O ports • Compatible with most microcontrollers • 400-kHz Fast I2C Bus • Polarity inversion register • Address by two

16-bit I2C and SMBus, low power I/O port with interrupt and reset

DESCRIPTION The PCA9539 is a 24-pin CMOS device that provide 16 bits of General Purpose parallel Input/Output (GPIO) expansion with interrupt and reset for I2C/SMBus applications and was developed to enhance the Philips family of I2C I/O expanders. I/O expanders provides a simple solution when

16-bit I2C and SMBus, low power I/O port with interrupt and reset

DESCRIPTION The PCA9539 is a 24-pin CMOS device that provide 16 bits of General Purpose parallel Input/Output (GPIO) expansion with interrupt and reset for I2C/SMBus applications and was developed to enhance the Philips family of I2C I/O expanders. I/O expanders provides a simple solution when

16-bit I2C and SMBus, low power I/O port with interrupt and reset

DESCRIPTION The PCA9539 is a 24-pin CMOS device that provide 16 bits of General Purpose parallel Input/Output (GPIO) expansion with interrupt and reset for I2C/SMBus applications and was developed to enhance the Philips family of I2C I/O expanders. I/O expanders provides a simple solution when

16-bit I2C and SMBus, low power I/O port with interrupt and reset

DESCRIPTION The PCA9539 is a 24-pin CMOS device that provide 16 bits of General Purpose parallel Input/Output (GPIO) expansion with interrupt and reset for I2C/SMBus applications and was developed to enhance the Philips family of I2C I/O expanders. I/O expanders provides a simple solution when

REMOTE 16-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT, RESET, AND CONFIGURATION REGISTERS

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