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Product Detailed Parameters
- Description：8-Bit Bidirectional Voltage-Leve
- Series：UM3308
- Mfr：Union Semiconductor International Limited
- Package：Tape & Reel (TR)
- Translator Type：Voltage Level
- Channel Type：Bidirectional
- Number of Circuits：1
- Channels per Circuit：8
- Input Signal：-
- Output Signal：-
- Output Type：Tri-State
- Data Rate：100Mbps
- Operating Temperature：-40°C ~ 85°C (TA)
- Features：-
- Mounting Type：Surface Mount
- Package / Case：20-WFQFN Exposed Pad
- Supplier Device Package：20-QFN (3x3)
- Voltage - VCCA：1.2 V ~ 3.6 V
- Voltage - VCCB：1.65 V ~ 5.5 V
- Grade：-
- Qualification：-
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Overview
The UM3308QB is an 8-bit bidirectional voltage-level translator manufactured by Union Semiconductor. It features auto direction sensing and provides ±15kV ESD protection. The device facilitates signal translation between different voltage domains in digital circuits.
Feature Summary
- Supports bidirectional data transmission across multiple channels
- Integrates automatic direction sensing for simplified interface design
- Provides robust electrostatic discharge protection
Applications
- Voltage level translation between mixed-signal systems
- Interface bridging in embedded digital circuits
- Signal conversion in portable electronic devices
Procurement Notes
Verify the specific suffix 'QB' against official Union Semiconductor documentation to confirm package type, temperature grade, or tape-and-reel specifications. Ensure the selected variant matches the required operating conditions and physical footprint for the target application.
Selection Notes
Select this component when interfacing logic families with differing supply voltages requiring high ESD resilience. Confirm that the auto-direction sensing capability aligns with the system's signal timing requirements and that the 8-channel width meets the bus architecture needs.
Part Context
This part belongs to a family of voltage translators from Union Semiconductor designed for general-purpose digital interfaces. Similar models in the lineup include variants with different channel counts or ESD ratings, such as the UM3302 or UM3304, offering scalable solutions for various bus widths.
