Level-Translating I2C and SMBUS Bus Repeater, PI6ULS5V9509 Replace TCA9509.
PI6ULS5V9509
PI6ULS5V9509.pdf
PI6ULS5V9509.pdfFEATURES
• Bidirectional Buffer Isolates Capacitance and Allows
400pF on Port B of the Device
• Port A Operating Supply Voltage Range of 1.1V to
VCC(B) - 1.0V
• Port B Operating Supply Voltage Range of 2.5V to 5.5V
• Voltage Level Translation from 1.1V to VCC(B)- 1.0V and
from 2.5V to 5.5V
• Requires no External Pullup Resistors on Lower Voltage
Port A
• Open-Drain Port B Inputs/Outputs
• Lockup-Free Operation
• Supports Arbitration and Clock Stretching Across the
Repeater
• Accommodates Standard Mode and Fast Mode I2C-Bus
Devices and Multiple Masters
• Powered-off High-Impedance I2C-bus Pins
• 5V Tolerant B SCL, SDA and Enable Pins
• 0Hz to 400kHz Clock Frequency
• ESD Protection Exceeds 8KV HBM per JESD22-A114
• Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
• Halogen and Antimony Free. “Green” Device (Note 3)
• Package: MSOP-8, SOIC-8 and UQFN1.6x1.6-8L
PIN CONFIGUTION
CROSS
FEATURES
• Two-channel bidirectional buffer
• I2C bus and SMBus compatible
• Operating supply voltage range of 2.7V to 5.5V on
B side
• Operating voltage range of 0.9V to 5.5V on A side
• Voltage-level translation from 0.9V to 5.5V and
2.7V to 5.5V
• Active-high repeater-enable input
• Requires no external pullup resistors on lower
voltage port-A
• Open-drain I2C I/O
• 5.5-V Tolerant I2C and enable input support mixed
mode signal operation
• Lockup-free operation
• Accommodates standard mode and fast mode I2C
devices and multiple controllers
• Supports arbitration and clock stretching across
Repeater
• Powered-off high-impedance I2C bus pins
• Supports 400-kHz fast I2C bus operating speeds
• Available in
– 1.6mm × 1.6mm, 0.4mm height, 0.5mm pitch
QFN package
– 3mm × 3mm Industry standard MSOP package
• Latch-up performance exceeds 100mA Per JESD
78, class II
• ESD protection exceeds JESD 22
– 2000V Human-body model (A114-A)
– 1000V Charged-device model (C101)
PIN CONFIGUTION
