| Part Number | PCAL9555A |
| Manufacturer | NXP (https://www.nxp.com/) Semiconductors |
| Title | Low-voltage 16-bit I2C-bus GPIO |
| Description | The PCAL9555A is a low-voltage 16-bit General Purpose Input/Output (GPIO) expander with interrupt and weak pull-up resistors for I2C-bus/SMBus app... |
| Features |
specifically designed to enhance the I/O. These additional features are: programmable output drive strength, latchable inputs, programmable pull-up/pull-down resistors, maskable interrupt, interrupt status register, programmable open-drain or push-pu...
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| Datasheet |
 PCAL9555A Datasheet
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