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UM2102

Union Semiconductor
Part Number UM2102
Manufacturer Union Semiconductor
Description 2-Bit Bidirectional Voltage Level Translator
Published Jan 14, 2019
Detailed Description UM2102 2-Bit Bidirectional Voltage Level Translator for Open-Drain and Push-Pull Applications UM2102S SOT23-6 General D...
Datasheet PDF File UM2102 PDF File

UM2102
UM2102

Overview
UM2102 2-Bit Bidirectional Voltage Level Translator for Open-Drain and Push-Pull Applications UM2102S SOT23-6 General Description The UM2102S allows bidirectional voltage translations between 1.
5V and 5V without the use of a direction pin.
The UM2012S is not a bus buffer which provides both level translation and physically isolates the capacitance to either side of the bus when both sides are connected.
The UM2102S only isolates both sides when the VREF is connected to GND.
Pull-up resistors are required on both sides to provide the logic HIGH levels on the translator’s bus.
The size of these pull-up resistors depends on the system.
The device is designed to work with Standard-mode, Fast-mode and Fast-mode Plus I2C-bus devices in addition to SMBus devices.
The maximum frequency is dependent on the RC time constant, but generally supports > 2MHz.
When the SDA1 or SDA2 port is LOW, the clamp is in the ON-state and a low resistance connection exists between the SDA1 and SDA2 ports.
Ass...


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