HLF8574 - Remote 8-bit I/O expander

Datasheet Details

TheHLF8574 is a silicon CMOS circuit.

Operating supply voltage 2.5 to 6 V.
Low standby current consumption of 10 µA maximum.
I2C to parallel port expander.
Open-drain interrupt output.
8-bit remote I/O port for the I2C-bus.
Compatible with most microcontrollers.
Latched outputs with high current drive capability for directly driving LEDs.
Address by 3 hardware address pins for use of up to 8devices (up to 16 with HLF8574A).
DIP16, or space-saving SO16.

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Published: Mar 31, 2025 |