• Part: SX1503
  • Description: 16 Channel Low Voltage GPIO
  • Manufacturer: SEMTECH
  • Size: 0.98 MB
SX1503 Datasheet (PDF) Download
SEMTECH
SX1503

Description

The SX1501, SX1502 and SX1503 are complete ultra low voltage General Purpose parallel Input/Output (GPIO) expanders ideal for low power handheld battery powered equipment. They allow easy serial expansion of I/O through a standard I2C interface.

Key Features

  • 4/8/16 channel of I/Os True bi-directional style I/O Programmable Pull-up/Pull-down Push/Pull outputs
  • 1.2V to 5.5V independent operating voltage for all supply rails (VDDM, VCC1, VCC2)
  • 5.5V compatible I/Os, up to 24mA output sink (no total sink current limit)
  • Fully programmable logic functions (PLD)
  • 400kHz 2-wire I2C compatible slave interface
  • Open drain active low interrupt output (NINT) Bit maskable Programmable edge sensitivity
  • Power-On Reset and reset input (NRESET)
  • Ultra low current consumption of typ. 1uA
  • -40°C to +85°C operating temperature range
  • Ultra-Thin 3x3mm QFN-UT-20 package (SX1501/SX1502)