MAX7322 I²C Port Expander with 4 Push-Pull Outputs and 4 Inputs MAX7327 I²C Port Expander with 12 Push-Pull Outputs and 4 Open-Drain I/Os MAX7319 I²C Port Expander with Eight Inputs and Maskable Transition Detection MAX7326 I²C Port Expander with 12 Push-Pull Outputs and Four Inputs MAX7320 I²C Port Expander with Eight Push-Pull Outputs MAX7321 I²C Port Expander with 8 Open-Drain I/Os MAX7324 I²C Port Expander with Eight Push-Pull Outputs and Eight Inputs MAX7323 I²C Port Expander with 4 Push-Pull Outputs and 4 Open-Drain I/Os MAX7328, MAX7329 I²C Port Expanders with Eight I/O Ports