MAX6957 Datasheet (Maxim) - 20-Port and 28-Port LED Display Driver and I/O Expander

MAX6957, 20-Port and 28-Port LED Display Driver and I/O Expander

The MAX6957 compact, serial-interfaced LED display driver general-purpose I/O (GPIO) peripheral provides microprocessors with up to 28 ports.

Each port is individually user configurable to either a logic input, logic output, or common-anode (CA) LED constant-current segment driver.

Each port configu

MAX6957 Features

* High-Speed 26MHz SPI-/QSPI™-/MICROWIRE®Compatible Serial Interface

* 2.5V to 5.5V Operation

* -40°C to +125°C Temperature Range

* 20 or 28 I/O Ports, Each Configurable as Constant-Current LED Driver Push-Pull Logic Output Schmitt Logic Input Schmitt Log