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DATA SHEET
TCA4311A Hot Swappable 2-Wire Bus Buffers
1 Features
- Operating Power-Supply Voltage Range of 2.7 V to 5.5 V
- Supports Bidirectional Data Transfer of I2C Bus Signals
- SDA and SCL Lines are Buffered Which Increases Fanout
- 1-V Precharge on all SDA and SCL Lines Prevents Corruption During Live Board Insertion and Removal From Backplane
- SDA and SCL Input Lines are Isolated From Outputs
- Accommodates Standard Mode and Fast Mode I2C Devices
- Improved Noise Immunity
- Applications Include Hot Board Insertion and Bus Extension
- Low ICC Chip Disable of < 1 μA
- READY Open-Drain Output
- Supports Clock Stretching, Arbitration, and Synchronization
- Powered-Off High-Impedance I2C Pins
- Open-Drain I2C Pins
- Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
- ESD Protection Exceeds JESD 22
- 8000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)
- 1000-V Charged-Device Model (C101)
2 Applications
- Servers
- Routers (Telecom Switching Equipment)
- Base Stations
- Industrial Automation
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