Datasheet Details
| Part number | PCA9673 |
|---|---|
| Manufacturer | NXP Semiconductors |
| File Size | 283.88 KB |
| Description | Remote 16-bit I/O expander |
| Datasheet |
 PCA9673 Datasheet
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General Description
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 of the Fast-mode Plus family.
Key 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 capability for directly driving LEDs.
- Total package sink capability of 400 mA.
- Active LOW open-drain interrupt output.
- 16 programmable slave addresses using 2 address pins.
- Readabl.