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IO Expander

4 parts

4 verified IO Expander parts from the JLC/LCSC catalog. Every entry ships with schematic symbol and PCB footprint, plus datasheet mirror and 3D model where available — ready to drop into a design headed for JLC assembly.

	Part	LCSC	Description	Package	JLC class
	PCF8574T HGSEMI(华冠)	C398075	I2C I/O expander, 2.5V~6V, 8 I/O, interrupt output, Clock Frequency:100kHz, -40°C~+85°C	SOP-16-300mil	Extended Part
	MCP23017-E/SS MICROCHIP(美国微芯)	C506653	16-bit I2C I/O expander, 1.8V~5.5V supply, 16 I/O, interrupt output, 8mA IOL, 1.7MHz clock, -40°C~+125°C.	SSOP-28(5.3x10.2x0.65)	Extended Part
	PCA9555DWR TI(德州仪器)	C2652274	Remote 16-bit I2C and SMBus I/O expander with interrupt output and configuration registers, 2.3V~5.5V, 400kHz, 8 supported devices.	SOIC-24-300mil	Extended Part
	PCF8575CPW TI(德州仪器)	C1542529	PCF8575C remote 16-bit I2C and SMBus low-power I/O expander with interrupt output, 4.5V~5.5V, 400kHz, -40°C~+85°C.	TSSOP-24	Extended Part

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