Description
PCA9673 Remote 16-bit I/O expander for Fm+ I2C-bus with interrupt and reset Rev.2 * 29 September 2011 Product data sheet 1.General descr.
The PCA9673 provides general purpose remote I/O expansion for most microcontroller families via the two-line bidirectional bus (I2C-bus) and is a part.
Features
* 1 MHz I2C-bus interface
* Compliant with the I2C-bus Fast and Standard modes
* SDA with 30 mA sink capability for 4000 pF buses
* 2.3 V to 5.5 V operation with 5.5 V tolerant I/Os
* 16-bit remote I/O pins that default to inputs at power-up
* Latched outputs with 25 mA sink
Applications
* LED signs and displays
* Servers
* Industrial control
* Medical equipment
* PLCs
* Cellular telephones
* Gaming machines
* Instrumentation and test measurement
4. Ordering information
Table 1. Ordering information
Type number Topside mark
Package Name
Descripti
