Nexperia NCA970x
Level translating Fm+ I²C bus repeater/accelerator
The NCA970x I²C repeater supports Fast-mode Plus (Fm+) for 1 MHz operation, featuring edge accelerators for faster transitions. The devices operate within a voltage range of 1.08 V to 3.6 V, providing flexibility in various applications. Integrated 4.3 kΩ pull-up resistors simplify system implementation, while innovative buffering ensures lock-free operation and low VOL levels. Schmitt trigger inputs filter out noise, and slew-controlled edges help reduce EMI. The NCA970x I²C repeater is suitable for high-performance, low-power I²C applications, allowing multiple device connections in series or star configurations, with specific port connections for I²C clock stretching.
Key features
- Guaranteed 1 MHz operation (true I²C Fast-mode Plus, Fm+)
- Input and output rising-edge signal accelerators at all I/Os
- Lock-free operation. Glitch-free and sequence-independent IC power-up
- I²C clock stretching support
Applications
- Smart phones and tablets
- Portable medical devices
- Portable instrumentation and test equipment
- Devices for IoT applications
- Power-sensitive applications
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