Manufacturer Part Number
PCA9306USG
Manufacturer
onsemi
Introduction
The PCA9306 is a dual bidirectional I2C-bus and SMBus voltage-level translator.
Product Features and Performance
Bidirectional voltage-level translator
Operates between 1 V and 3.6 V on the A side and 1.8 V and 5.5 V on the B side
Auto-direction sensing to track translation direction
Open-drain design
Product Advantages
Enables voltage level translation between devices operating at different voltages
Compatible with I2C-Bus and SMBus
Supports bidirectional communication without a direction pin
Small form factor for space-constrained applications
Key Technical Parameters
Channel Type: Bidirectional
Number of Circuits: 1
Channels per Circuit: 2
Voltage - VCCA: 1 V ~ 3.6 V
Voltage - VCCB: 1.8 V ~ 5.5 V
Operating Temperature: -55°C ~ 125°C (TA)
Mounting Type: Surface Mount
Quality and Safety Features
Built-in hysteresis to provide noise margin
High impedance SCL, SDA pins for Level A and B
Compatibility
Compatible with various I2C devices and different logic voltage levels
Application Areas
Level translation for I2C/SMBus applications
Interfacing microprocessors, microcontrollers, or peripherals with different voltage references
Product Lifecycle
Obsolete - Manufacturer has discontinued the part
Check for replacements or upgraded parts
Several Key Reasons to Choose This Product
Provides a simple, bidirectional solution for I2C and SMBus voltage level translation
No direction control required, simplifying design and saving GPIOs
Supports hot insertion
Low power consumption
Operational across a broad voltage range
Ultra-small package suitable for compact PCB layouts
Robust operating temperature range making it suitable for industrial applications