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Product Detailed Parameters
- Description：IC TRANSLTR BIDIRECTIONAL 20BGA
- 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：8
- Input Signal：-
- Output Signal：-
- Output Type：Open Drain, Push-Pull
- Data Rate：60Mbps
- Operating Temperature：-40°C ~ 85°C (TA)
- Features：Auto-Direction Sensing
- Mounting Type：Surface Mount
- Package / Case：20-UFBGA
- Supplier Device Package：20-BGA Microstar Junior (2.5x3.0)
- Voltage - VCCA：1.4 V ~ 3.6 V
- Voltage - VCCB：1.65 V ~ 5.5 V
- Grade：-
- Qualification：-
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Overview
The TXS0108EZXYR is an 8-bit bidirectional voltage-level shifter designed for open-drain and push-pull applications. It utilizes two independent, configurable power rails: Port A operates at 1.2V to 3.6V (VCCA), while Port B operates at 1.65V to 5.5V (VCCB), with VCCA required to be less than or equal to VCCB. The device supports data rates up to 60Mbps in push-pull configurations and 2Mbps in open-drain setups. It features a propagation delay of 4.8ns and operates within a temperature range of -40°C to +85°C. The component is housed in a 20-pin Microstar Junior package.
Feature Summary
- Supports bidirectional translation between low-voltage (1.2V–3.6V) and high-voltage (1.65V–5.5V) domains without direction control signals
- Compatible with both open-drain and push-pull logic applications
- Eliminates the need for power sequencing as either supply rail can ramp up first
- Provides latch-up protection exceeding 100mA per JESD 78 Class II standards
Applications
- Portable consumer electronics requiring level shifting between different voltage nodes
- Computer and computer peripheral interfaces
- Communication and network equipment
Procurement Notes
Verify the specific suffix 'ZXYR' corresponds to the 20-pin Microstar Junior package when sourcing. Confirm that the manufacturer is Texas Instruments, as this part belongs to the TXS0108E family. Ensure the operating environment stays within the specified -40°C to +85°C range. Check for RoHS compliance and halogen-free status if required by assembly specifications. Validate pinout compatibility with the target PCB footprint before integration.
Selection Notes
Select this component when interfacing systems with mixed voltage levels, specifically where the source side is below 3.6V and the destination side requires up to 5.5V. It is suitable for designs needing automatic direction sensing without external control pins. Consider the Microstar Junior package for space-constrained layouts. Ensure the application does not exceed the maximum data rate limits for the chosen drive configuration.
Part Context
This device is part of the TXS0108E series from Texas Instruments, which includes variants like the TXS0108ERGYR (VQFN-20) and automotive-grade TXS0108EQWRKSRQ1. While functionally similar regarding voltage translation capabilities, the EZXYR variant is distinguished by its specific 20-BGA Microstar Junior packaging. This allows designers to choose based on thermal performance and board space requirements rather than electrical differences.
Replacement Considerations
- TXS0108ERGYR
FAQ
Does the TXS0108EZXYR require a direction control signal?
No, the TXS0108EZXYR automatically senses the direction of data transmission and does not require an external direction control signal.
What is the relationship between VCCA and VCCB voltages?
VCCA must be less than or equal to VCCB. VCCA ranges from 1.2V to 3.6V, while VCCB ranges from 1.65V to 5.5V.
