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
優勢替代
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
