MAX7301 Overview
Key Specifications
Package: SSOP
Mount Type: Surface Mount
Pins: 36
Operating Voltage: 5.5 V
Description
The MAX7301 compact, serial-interfaced I/O expander (or general-purpose I/O (GPIO) peripheral) provides microprocessors with up to 28 ports. Each port is individually user configurable to either a logic input or logic output.
Key Features
- configurable transition detection logic, which generates an interrupt upon change of port logic level
- The MAX7301 is controlled through an SPI-compatible 4-wire serial interface
- The MAX7301AAX and MAX7301ATL have 28 ports and are available in 36-pin SSOP and 40-pin TQFN packages, respectively
- The MAX7301AAI has 20 ports and is available in a 28-pin SSOP package
- For a 2-wire I2C-interfaced version, refer to the MAX7300 data sheet
- For a pin-compatible port expander with additional 24mA constant-current LED drive capability, refer to the MAX6957 data sheet