MAX7315 Datasheet (Maxim Integrated Products)

MAX7315, 8-Port I/O Expander

The MAX7315 I2C™-/SMBus-compatible serial interfaced peripheral provides microprocessors with 8 I/O ports.

Each I/O port can be individually configured as either an open-drain current-sinking output rated at 50mA at 5.5V, or a logic input with transition detection.

A ninth port can be used for trans

MAX7315 Features

* o 400kbps, 2-Wire Serial Interface, 5.5V Tolerant o 2V to 3.6V Operation o Overall 8-Bit PWM LED Intensity Control Global 16-Step Intensity Control Plus Individual 16-Step Intensity Control o Automatic Two-Phase LED Blinking o 50mA Maximum Port Output Current o Outputs Are 5.5V-Rated Open Drain o In