I2C general-purpose I/Os (GPIOs)

Get more system I/Os with small form-factor package 

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Our portfolio of I2C general-purpose I/O (GPIO) expanders helps you increase the number of available system I/Os which gives you expanded microcontroller I/O capability and enables I2C-based keypad scanners and LED driver designs.
TCAL9539 NEW

16-bit low voltage, I²C-bus/SMBus I/O expander w/ interrupt, reset, and agile I/O configuration

TCAL6416 NEW

16-bit translating I²C-bus/SMBus I/O expander with interrupt, reset, and agile I/O configuration

Approx. price (USD) 1ku | 0.72
TCA9537 NEW

Remote 4-Bit I²C and SMBus I/O expander with configuration register, interrupt and reset

Approx. price (USD) 1ku | 0.45
TCA9536 NEW

Remote 4-Bit I²C and SMBus I/O expander with configuration register and interrupt

Approx. price (USD) 1ku | 0.45