Lowest Voltage Level Shifting GPIO
SX1507/SX1508/SX1509
World’s Lowest Voltage Level Shifting GPIO with LED Driver and Keypad Engine
ADVANCED COMMUNICATION...
Description
SX1507/SX1508/SX1509
World’s Lowest Voltage Level Shifting GPIO with LED Driver and Keypad Engine
ADVANCED COMMUNICATIONS & SENSING
SX1507/SX1508/SX1509
World’s Lowest Voltage Level Shifting GPIO with LED Driver and Keypad Engine
GENERAL DESCRIPTION
The SX1507, SX1508 and SX1509 are complete ultra low voltage 1.2V to 3.6V General Purpose parallel Input/Output (GPIO) expanders ideal for low power handheld battery powered equipment. This family of GPIOs comes in 4-, 8-, 16-channel configuration and allows easy serial expansion of I/O through a standard 400kHz I2C interface. GPIO devices can provide additional control and monitoring when the microcontroller or chipset has insufficient I/O ports, or in systems where serial communication and control from a remote location is advantageous.
These devices can also act as a level shifter to connect a microcontroller running at one voltage level to a component running at a different voltage level, thus eliminating the need for extra leve...
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