DS4520
Overview
The DS4520 is a 9-bit nonvolatile (NV) I/O expander with 64 bytes of NV user memory controlled by an I2Ccompatible serial interface. The DS4520 offers users a digitally programmable alternative to hardware jumpers and mechanical switches that are being used to control digital logic nodes.
- Programmable Replacement for Mechanical Jumpers and Switches
- Nine NV Input/Output Pins
- 64-Byte NV User Memory (EEPROM)
- I2C-Compatible Serial Interface
- Up to 8 Devices Can be Multidropped on the Same I2C Bus
- Open-Drain Outputs with Configurable Pullups
- Outputs Capable of Sinking 12mA
- Low Power Consumption
- Wide Operating Voltage (2.7V to 5.5V)
- Operating Temperature Range: -40°C to +85°C
