PCA9674A - Remote 8-bit I/O expander

Product Overview

NXP Semiconductors

Part number	PCA9674A
Manufacturer	NXP Semiconductors
File Size	792.05 KB
Description	Remote 8-bit I/O expander
Datasheet	PCA9674A Datasheet
Note	This datasheet PDF includes multiple part numbers: PCA9674A, PCA9674. Please refer to the document for exact specifications by model.
Additional preview pages of the PCA9674A datasheet.

The PCA9674/74A provides general-purpose remote I/O expansion via the two-wire bidirectional I2C-bus (serial clock (SCL), serial data (SDA)).

I2C-bus to parallel port expander.
1 MHz I2C-bus interface (Fast-mode Plus I2C-bus).
SDA with 30 mA sink capability for 4000 pF buses.
Operating supply voltage 2.3 V to 5.5 V with 5.5 V tolerant I/Os held to VDD with 100 A current source.
8-bit remote I/O pins that default to inputs at power-up.
Latched outputs with 25 mA sink capability for directly driving LEDs.
Total package sink capability of 200 mA NXP Semiconductors PCA9674; PCA9674A Remote 8-bit I/O.

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Published: Jul 11, 2009 |