PCA9554A Datasheet - NXP

PCA9554A, 8-bit I2C and SMBus I/O port

PCA9554; PCA9554A 8-bit I2C-bus and SMBus I/O port with interrupt Rev.10 * 8 November 2017 Product data sheet 1.General .
The PCA9554 and PCA9554A are 16-pin CMOS devices that provide 8 bits of General Purpose parallel Input/Output (GPIO) expansion for I2C-bus/SMBus appli.

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Datasheet Details

Part number:

PCA9554A

Manufacturer:

NXP ↗

File Size:

596.48 KB

Description:

8-bit I2C and SMBus I/O port

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
* 8 I/O pins which def

Applications

* and were developed to enhance the NXP Semiconductors family of I2C-bus I/O expanders. The improvements include higher drive capability, 5 V I/O tolerance, lower supply current, individual I/O configuration, 400 kHz clock frequency, and smaller packaging. I/O expanders provide a simple solution when

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