Description
TCA9555DBR
Description
The TCA9555DBR is a 16-bit I2C and SMBus I/O expander with interrupt output and configuration registers. This device provides a flexible method of expanding the I/O capabilities of a system.
Features
- 16-bit input/output port
- I2C and SMBus compatible
- Internal power-on reset
- Low standby current
- 5V tolerant I/Os
- High-speed I2C bus interface
- Interrupt output
Parameters
General Characteristics
- Number of Bits: 16
- Interface: I2C, SMBus
- Supply Voltage: 1.65V to 5.5V
- Low Power Mode: Yes
- Operating Temperature: -40°C to 85°C
Input/Output Characteristics
- Number of I/Os: 16
- I/O Direction: Bidirectional
- Length of I/Os: 16 bits
- 5V Tolerant: Yes
Communication Characteristics
- Bus: I2C, SMBus
- Data Transfer Rate: 400 kHz (max)
- Addressing: 7-bit, 10-bit
Interrupt Characteristics
- Interrupt Output: Active low
- Interrupt Sources: I/O port changes
Package and Thermal Characteristics
- Package Type: SSOP-28
- Package Size: 5.30mm x 10.20mm
- Thermal Resistance (Junction to Ambient): 63.6°C/W (Typical)
Reliability Characteristics
- MTBF: 11.85 years (Typical)
- ESD Protection: Human Body Model (HBM) ±2000V, Charged Device Model (CDM) ±1000V
Environmental Characteristics
- Operating Temperature: -40°C to 85°C
- Storage Temperature: -65°C to 150°C
- Moisture Sensitivity Level: MSL-1
Ordering Information
- Part Number: TCA9555DBR
- Package: SSOP-28
Documentation and Support
For further documentation, software, and support, please visit our website.
Related Products
For other I/O expander products, please refer to our product catalog.
Footprint and Dimensions
For detailed footprint and dimensions of the SSOP-28 package, please refer to the datasheet.