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I/O Expanders

Maxim offers a growing line of 2-wire and 4-wire interfaced I/O expanders. These I/O expanders range from 8 to 28 input/output ports and are available in a variety of packages.
Data Sheets
DS4550: I²C and JTAG Nonvolatile 9-Bit I/O Expander Plus Memory
MAX7318: 2-Wire-Interfaced, 16-Bit, I/O Port Expander with Interrupt and Hot-Insertion Protection
MAX7317: 10-Port SPI-Interfaced I/O Expander with Overvoltage and Hot-Insertion Protection
DS4520: 9-Bit I²C Nonvolatile I/O Expander Plus Memory
DS4510: CPU Supervisor with Nonvolatile Memory and Programmable I/O
MAX7314: 18-Port GPIO with LED Intensity Control, Interrupt, and Hot-Insertion Protection
MAX7316: 10-Port I/O Expander with LED Intensity Control, Interrupt, and Hot-Insertion Protection
MAX7315: 8-Port I/O Expander with LED Intensity Control, Interrupt, and Hot-Insertion Protection
MAX7313: 16-Port I/O Expander with LED Intensity Control, Interrupt, and Hot-Insertion Protection
MAX7312: 2-Wire-Interfaced 16-Bit I/O Port Expander with Interrupt and Hot-Insertion Protection
MAX7311: 2-Wire-Interfaced 16-Bit I/O Port Expander with Interrupt and Hot-Insertion Protection
MAX7310: 2-Wire-Interfaced 8-Bit I/O Port Expander with Reset
MAX7300: 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port or 28-Port I/O Expander
MAX7301: 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and 28-Port I/O Expander
MAX1608, MAX1609: Octal, SMBus-to-Parallel I/O Expanders
Maxim also offers a line of 2-wire and 4-wire interfaced LED drivers. This includes output-only port expanders intended to control LEDs with individual intensity controls.
Data Sheets
MAX6964: 17-Output LED Driver/GPO with Intensity Control and Hot-Insertion Protection
MAX6965: 9-Output LED Driver with Intensity Control and Hot-Insertion Protection
World's Smallest I2C 8-bit I/O Expander

News

  • New Family of 8- and 16-Port I/O Expanders Offers the Flexibility of Choosing I/Os in Any Combination and Format More...
  • MAXIM'S 8- AND 16-PORT I/O EXPANDERS WITH IRQ AND LOW STANDBY CURRENT ARE IDEAL FOR PORTABLE APPLICATIONS More...
  • FAIL-SAFE 16-BIT, 5V TOLERANT I/O PORT EXPANDER WITH IRQ HAS I2C-COMPATIBLE SERIAL INTERFACE WITH BUS TIMEOUT More...
  • LOCK-UP-FREE, I2C-COMPATIBLE 8-BIT I/O EXPANDER WITH INTEGRATED RESET CAN SINK UP TO 30mA PER PORT More...
  • SERIAL INTERFACED, 28-PORT, USER-CONFIGURABLE GPIO PORTS SAVE BOARD SPACE More...

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