Datasheet Details
| Part number | PCA9559 |
|---|---|
| Manufacturer | NXP Semiconductors |
| File Size | 101.24 KB |
| Description | 5-bit multiplexed/1-bit latched 6-bit I2C EEPROM |
| Datasheet |
 PCA9559 Datasheet
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General Description
The primary function of the 5-bit multiplexer, 1-bit latch is to enable system configuration.
Key Features
- 5-bit 2-to-1 multiplexer, 1-bit latch.
- 6-bit internal non-volatile register.
- Internal non-volatile register programmable and readable via I2C bus.
- Override input forces all outputs to logic 0.
- 5 open drain multiplexed outputs.
- 1 open drain non-multiplexed (latched) output.
- 5V and 2.5V tolerant inputs.
- Useful for ‘jumperless’ configuration of PC motherboards.
- 2 address pins, allowing up to 4 devices on the I2C bus.