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SX1509B

Semtech Corporation
Part Number SX1509B
Manufacturer Semtech Corporation
Description Worlds Lowest Voltage Level Shifting GPIO
Published Jun 7, 2014
Detailed Description SX1508B/SX1509B World’s Lowest Voltage Level Shifting GPIO with LED Driver and Keypad Engine ADVANCED COMMUNICATIONS & ...
Datasheet PDF File SX1509B PDF File

SX1509B
SX1509B

Overview
SX1508B/SX1509B World’s Lowest Voltage Level Shifting GPIO with LED Driver and Keypad Engine ADVANCED COMMUNICATIONS & SENSING SX1508B/SX1509B World’s Lowest Voltage Level Shifting GPIO with LED Driver and Keypad Engine GENERAL DESCRIPTION The SX1508B and SX1509B are complete ultra low voltage General Purpose parallel Input/Output (GPIO) expanders ideal for low power handheld battery powered equipment.
This family of GPIOs comes in 8-, 16-channel configuration and allows easy serial 2 expansion of I/O through a standard 400kHz I C 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 level translating circuits.
The core is o...


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