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SCPS131I
- AUGUST 2005
- REVISED APRIL 2019
PCA9555 Remote 16-bit I2C and SMBus I/O Expander with Interrupt Output and Configuration Registers
1 Features
- 1 Low Standby-Current Consumption of 1 μA Max
- I2C to Parallel Port Expander
- Open-Drain Active-Low Interrupt Output
- 5-V Tolerant I/O Ports
- patible With Most Microcontrollers
- 400-kHz Fast I2C Bus
- Address by Three Hardware Address Pins for Use of up to Eight Devices
- Polarity Inversion Register
- Latched Outputs With High-Current Drive
Capability for Directly Driving LEDs
- Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
-...
