Overview
The PCA9306D,118 is a dual bidirectional I2C-bus and SMBus voltage-level translator manufactured by NXP USA Inc. This component is designed to facilitate voltage level translation between different voltage domains, making it an essential part of mixed-mode I2C-bus applications. It features an enable (EN) input and supports a wide range of operating voltages, ensuring compatibility with various system configurations.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | NXP USA Inc. | - |
| Package Type | SOIC-8 | - |
| Operating Temperature | -40°C to 105°C | °C |
| Supply Voltage (VREF1) | 1.0 V to 3.6 V | V |
| Supply Voltage (VREF2) | 1.8 V to 5.5 V | V |
| Enable Input Voltage | 0 V to 5.5 V | V |
| Propagation Delay (tPLH, tPHL) | 0.3 ns to 1.5 ns | ns |
| ESD Protection | 2000 V (Human-body model), 1000 V (Charged-device model) | V |
| Input/Output Capacitance | 4 pF to 6 pF | pF |
| Number of Channels | 2 (SDA and SCL lines) | - |
Key Features
- Bidirectional Translation: Supports bidirectional voltage translation between 1.0 V and 5.5 V without the need for a direction pin.
- I2C and SMBus Compatibility: Compatible with Standard-mode, Fast-mode, and Fast-mode Plus I2C-bus and SMBus protocols.
- Low Propagation Delay: Less than 1.5 ns maximum propagation delay to accommodate high-speed I2C-bus devices.
- Enable Input: Features an enable (EN) input for controlling the translation function.
- ESD Protection: Exceeds JESD 22 standards for ESD protection, ensuring robustness against electrical stress.
- Flow-through Pinout: Simplifies PCB trace routing with a flow-through pinout configuration).
- Lockup-free Operation: Ensures lockup-free operation when the enable input is set to low).
Applications
- Servers and Routers: Used in telecom switching equipment and server applications).
- Personal Computers: Suitable for use in personal computer systems).
- Industrial Automation: Applied in various industrial automation scenarios).
- I2C, SMBus, PMBus, MDIO, UART, and GPIO Interfaces: Supports multiple two-signal interfaces).
Q & A
- What is the PCA9306D,118 used for?
The PCA9306D,118 is used as a dual bidirectional I2C-bus and SMBus voltage-level translator, facilitating communication between different voltage domains in mixed-mode I2C-bus applications.
- What are the operating voltage ranges for VREF1 and VREF2?
VREF1 operates from 1.0 V to 3.6 V, and VREF2 operates from 1.8 V to 5.5 V.
- What is the maximum propagation delay of the PCA9306D,118?
The maximum propagation delay is less than 1.5 ns.
- Does the PCA9306D,118 have ESD protection?
- What types of packages are available for the PCA9306D,118?
The component is available in SOIC-8, VSSOP8, TSSOP8, XSON8, and X2SON8 packages.
- What is the operating temperature range of the PCA9306D,118?
The operating temperature range is from -40°C to 105°C.
- Is the PCA9306D,118 compatible with Fast-mode Plus I2C-bus?
- What is the purpose of the enable (EN) input on the PCA9306D,118?
The enable (EN) input controls the translation function, allowing for lockup-free operation when set to low.
- Can the PCA9306D,118 be used in industrial automation?
- Does the PCA9306D,118 support multiple two-signal interfaces?
