Hot Swappable I2C Bus and SMBus Buffer, PI6ULS5V9511 Replace TCA9511.
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
优势替代
FEATURES
• Supports bidirectional data transfer of I2C bus signals
• Operating power-supply voltage range of 2.3 V to
5.5 V
• TA ambient air temperature range of -40 °C to 125 °C
• 1-V Precharge on all SDA and SCL lines prevents
corruption during live insertion
• Accommodates standard mode and fast mode I2C
devices
• Supports clock stretching, arbitration and
synchronization
• Powered-off high-impedance I2C pins
PIN CONFIGUTION
