| Part Number | PCA9554 |
| Manufacturer | NXP (https://www.nxp.com/) |
| Title | 8-bit I2C and SMBus I/O port |
| Description | The PCA9554 and PCA9554A are 16-pin CMOS devices that provide 8 bits of General Purpose parallel Input/Output (GPIO) expansion for I2C-bus/SMBus a... |
| Features |
and benefits
Operating power supply voltage range of 2.3 V to 5.5 V 5 V tolerant I/Os Polarity Inversion register Active LOW interrupt output Low standby current Noise filter on SCL/SDA inputs No glitch on power-up Internal power-on r... |
| Datasheet |
 PCA9554 Datasheet
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