View ltc16941f datasheet:

LTC1694-1 SMBus/I2C Accelerator FEATURES DESCRIPTIO Improves SMBus/I2CTM Rise Time Transition The LTC®1694-1 is a dual SMBus active pull-up designed Ensures Data Integrity with Multiple Devices to enhance data transmission speed and reliability under on the SMBus/I2C all specified SMBus loading conditions. The LTC1694-1 is Improves Low State Noise Margin also compatible with the Philips I2C Bus. Wide Supply Voltage Range: 2.7V to 6V The LTC1694-1 allows multiple device connections or a Tiny 5-Pin SOT-23 Package longer, more capacitive interconnect, without compro- Parallel Multiple LTC1694-1 Devices mising slew rates or bus performance, by supplying a high for Increased Drive pull-up current of 2.2mA to slew the SMBus or I2C lines during positive bus transitions U APPLICA