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Product Detailed Parameters
- Description：IC TRANSLTR BIDIRECTIONAL 8X2SON
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Translator Type：Voltage Level
- Channel Type：Bidirectional
- Number of Circuits：1
- Channels per Circuit：2
- Input Signal：-
- Output Signal：-
- Output Type：Open Drain, Push-Pull
- Data Rate：24Mbps
- Operating Temperature：-40°C ~ 85°C (TA)
- Features：Auto-Direction Sensing
- Mounting Type：Surface Mount
- Package / Case：8-XFDFN
- Supplier Device Package：8-X2SON (1.4x1)
- Voltage - VCCA：1.65 V ~ 3.6 V
- Voltage - VCCB：2.3 V ~ 5.5 V
- Grade：-
- Qualification：-
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Overview
The TXS0102DQER is a Texas Instruments 2-bit bidirectional voltage-level translator housed in an 8-X2SON package. It supports VCCA voltages from 1.65V to 3.6V and VCCB voltages from 2.3V to 5.5V. The device features automatic direction detection, enabling seamless translation between different logic families without requiring a direction control pin. It operates within a temperature range of -40°C to +85°C and supports data rates up to 24Mbps.
Feature Summary
- Automatic direction sensing eliminates the need for external direction control pins
- Supports bidirectional voltage translation between low-voltage (1.65V) and high-voltage (5.5V) domains
- Capable of handling open-drain signals on either side of the translation interface
Applications
- Interfacing I2C buses operating at different voltage levels
- Connecting MDIO interfaces with mixed voltage requirements
- Translating UART signals between microcontrollers and peripherals with differing supply voltages
Procurement Notes
Verify the specific suffix 'DQER' corresponds to the X2SON-8 package and tape-and-reel packaging configuration. Confirm that the VCCA/VCCB voltage ranges align with your system design, as the A-side minimum is 1.65V while the B-side minimum is 2.3V. Ensure RoHS compliance status matches current regulatory requirements for your target market.
Selection Notes
Select this component when interfacing two-way communication protocols like I2C or MDIO where voltage mismatch exists between source and destination devices. It is suitable for designs requiring minimal pin count due to the absence of a direction control input. Consider the X2SON-8 footprint constraints and thermal performance if multiple translators are placed closely together on the PCB.
Part Context
This part belongs to the Texas Instruments TXS0102 family of bidirectional voltage-level translators. The family includes variants with different packages such as VSSOP-8 (TXS0102DCUR) and automotive-grade versions (TXS0102QDCURQ1). The DQER suffix specifically denotes the small-form-factor X2SON package optimized for space-constrained portable applications.
Replacement Considerations
Direct substitutes include TXS0102DCUR (VSSOP-8 package) and TXS0102DQMRG4 (X2SON-8 package). Verify package compatibility and pinout alignment before substitution. Automotive applications may require the Q1 variant, TXS0102QDCURQ1, which meets AEC-Q100 standards.
