PCA9555 - Low-voltage 16-bit I2C-bus I/O port

Product Overview

nexperia

Part number	PCA9555
Manufacturer	nexperia
File Size	415.37 KB
Description	Low-voltage 16-bit I2C-bus I/O port
Datasheet	PCA9555 Datasheet
Additional preview pages of the PCA9555 datasheet.

The PCA9555 provides 16 bits of General Purpose Input/Output (GPIO) expansion for I²C-bus/SMBus applications.

I²C-bus to parallel port expander.
Operating power supply voltage range of 2.3 V to 5.5 V.
Ultra low standby current consumption:.
1 µA (maximum).
Schmitt-trigger action allows slow input transition and better switching noise immunity at the SCL and SDA inputs.
Vhys = 0.10 × VCC (typical).
Noise filter on SCL and SDA inputs.
5 V tolerant I/Os.
16 I/O pins which power up configured in input state with weak pull-up r.

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Published: Jul 11, 2024 |