Hot Swappable I2C Bus/SMBus Buffer, PI6ULS5V9511 Replace TCA4311.
PI6ULS5V9511
PI6ULS5V9511.pdf
PI6ULS5V9511.pdfFEATURES
• Bidirectional Buffer for SDA and SCL Lines Increases
Fan Out
• Prevents SDA and SCL Corruption During Live Board
Insertion and Removal from Backplane
• Isolates Input SDA and SCL Lines From Output
• Compatible with I2C, I2C Fast Mode, and SMBus
Standards (up to 400kHz Operation)
• Built-in Rise-Time Accelerators on all SDA and SCL
• Wide Supply Voltage Range: 2.7V to 5.5V
• Active HIGH ENABLE Input
• Active HIGH READY Open-Drain Output
• High-Impedance SDA and SCL pins for VCC = 0V
• 1.1V Pre-Charge on all SDA and SCL Lines
• Supporting Clock Stretching and Multiple Master
Arbitration/Synchronization
• ESD Protection Exceeds 4000V HBM per JESD22-A114
• Packages Offered: MSOP-8(U), UDFN-8(ZW), and
SOIC-8(W)
PIN CONFIGUTION
CROSS
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 100mA Per JESD78, 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)
PIN CONFIGUTION
