| Part number | PCA9501 |
|---|---|
| Datasheet | PCA9501 Datasheet PDF (Download) |
| File Size | 169.54 KB |
| Manufacturer | NXP Semiconductors |
| Description | 8-bit I2C and SMBus I/O port |
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The PCA9501 is an 8-bit I/O expander with an on-board 2-kbit EEPROM. The I/O expandable eight quasi-bidirectional data pins can be independently assigned as inputs or outputs to monitor board level status or activate indicator devices such as LEDs. The system master writes to the I/O configuration bits in the same way as for the PCF8574.
| Part Number | Description | Manufacturer |
|---|---|---|
| PCA9500 | 8-bit I2C and SMBus I/O port | NXP |
| PCA9504A | Glue chip 4 | NXP |
| PCA9505 | 40-bit I2C-bus I/O port | NXP |
| PCA9508 | Hot swappable level translating I2C-bus repeater | NXP |
| PCA9509 | Level translating I2C-bus/SMBus repeater | NXP |
