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PCA9555

16-bit I2C-bus and SMBus I/O port

PCA9555 Features

* Operating power supply voltage range of 2.3 V to 5.5 V

* 5 V tolerant I/Os

* Polarity Inversion register

* Active LOW interrupt output

* Low standby current

* Noise filter on SCL/SDA inputs

* No glitch on power-up

* Internal power-on reset

* 16 I/O pins which de

PCA9555 General Description

The PCA9555 is a 24-pin CMOS device that provides 16 bits of General Purpose parallel Input/Output (GPIO) expansion for I2C-bus/SMBus applications and was developed to enhance the NXP Semiconductors family of I2C-bus I/O expanders. The improvements include higher drive capability, 5 V I/O tolerance,.

PCA9555 Datasheet (258.61 KB)

Preview of PCA9555 PDF

Datasheet Details

Part number:

PCA9555

Manufacturer:

NXP ↗

File Size:

258.61 KB

Description:

16-bit i2c-bus and smbus i/o port.

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TAGS

PCA9555 16-bit I2C-bus and SMBus port NXP

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