Maxim Integrated MAX7301
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. Each port can be configured either as a push-pull logic output capable of sinking 10mA and sourcing 4.5mA, or a Schmitt logic input with optional internal pullup.| Part No. | MAX7301 |
|---|---|
| Datasheet | MAX7301 Download |
| Manufacturer |  Maxim Integrated |
| Description | 20-Port and 28-Port I/O Expander |
| Buy | Stock & Price |
GENERAL DESCRIPTION
Seven ports feature 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.APPLICATIONS
●● White Goods●● Gaming Machines
●● Industrial Controllers
●● System Monitoring Ordering Information PART TEMP RANGE PINPACKAGE MAX7301AAI+ -40°C to +125°C 28 SSOP MAX7301AAX+ -40°C to +125°C 36 SSOP MAX7301ATL+ -40°C to +125°C 40 TQFN-EP* +Denotes a lead(Pb)-free/RoHS-compliant package. *EP = Exposed pad. QSPI is a trademark of Motorola, Inc. MICROWIRE is a registered trademark of National Semiconductor Corp.
