| Type | I2C I/O Expander |
| Chassis | TSSOP-16 |
CA9538 – 8-Bit Low-Voltage I²C/SMBus GPIO Expander with Interrupt and Reset
The CA9538 is an 8-bit remote GPIO expander featuring configurable direction, polarity inversion, an active-low interrupt output, and both POR and external RESET control. With noise filtering, latch capability for LED driving, and up to four selectable addresses, it is ideal for server and telecom applications.
