Datasheet Details
| Part number | PCA9535 |
|---|---|
| Manufacturer | Texas Instruments |
| File Size | 3.15 MB |
| Description | Remote 16-BIT I2C and SMBus Low-Power I/O Expander |
| Datasheet |
 PCA9535 Datasheet
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General Description
This 16-bit I/O expander for the two-line bidirectional bus (I2C) is designed for 2.3-V to 5.5-V VCC operation.
It provides general-purpose remote I/O expansion for most microcontroller families via the I2C interface [serial clock (SCL), serial data (SDA)].
Key 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.
- Compatible 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.