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Product Detailed Parameters
- Description：LOW-VOLTAGE DUAL-SUPPLY 6-BIT VO
- Series：-
- Mfr：Fairchild Semiconductor
- Package：Bulk
- Translator Type：Voltage Level
- Channel Type：Bidirectional
- Number of Circuits：1
- Channels per Circuit：6
- Input Signal：-
- Output Signal：-
- Output Type：Tri-State, Non-Inverted
- Data Rate：100Mbps
- Operating Temperature：-40°C ~ 85°C (TA)
- Features：Power-Off Protection
- Mounting Type：Surface Mount
- Package / Case：16-WFQFN Exposed Pad
- Supplier Device Package：16-DQFN (2.5x3.5)
- Voltage - VCCA：1.1 V ~ 3.6 V
- Voltage - VCCB：1.1 V ~ 3.6 V
- Grade：-
- Qualification：-
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Overview
The FXL2SD106BQX is a low-voltage, dual-supply 6-bit SD interface voltage translator designed for bidirectional translation between logic levels ranging from 1.1V to 3.6V. It features configurable voltage supplies where the A port tracks VCCA and the B port tracks VCCB. The device supports non-preferential power-up, ensuring either supply can activate first. It includes power-off protection and bus-hold on data inputs to eliminate external pull-up resistors. The component operates within a temperature range of -40°C to +85°C and is housed in a 16-terminal DQFN package measuring 2.5mm x 3.5mm.
Feature Summary
- Bi-directional interface capability between two voltage levels from 1.1V to 3.6V
- Fully configurable inputs and outputs that track respective VCC levels
- Bus-hold on data inputs eliminates the need for SDIO pull-up resistors
- Power-off protection ensures safe operation during power transitions
Applications
- Secure Digital (SD) card applications
- SDIO interface designs
- Portable electronic devices requiring voltage level translation
- Systems with mixed voltage domains (1.2V, 1.5V, 1.8V, 2.5V, 3.3V)
Procurement Notes
Verify the manufacturer origin, as Fairchild Semiconductor's logic products are now part of onsemi. Confirm the specific suffix 'BQX' corresponds to the required packaging and quality grade. Ensure the datasheet revision matches the design requirements. Check for RoHS compliance status in the official documentation. Validate the operating temperature range against environmental specifications.
Selection Notes
Select this component when designing SD or SDIO interfaces requiring bi-directional translation between varying low voltages. It is suitable for applications needing configurable voltage supplies without explicit direction control pins. Consider its ESD protection ratings and throughput capabilities relative to system speed requirements. Evaluate the DQFN package size for space-constrained PCB layouts.
Part Context
The FXL2SD106 belongs to the FXL2SD series of low-voltage dual-supply translators. Originally developed by Fairchild Semiconductor, these components are now manufactured and distributed by onsemi. The series is engineered to simplify SD card application designs by integrating automatic direction control and reducing external component counts.
Replacement Considerations
Check onsemi documentation for direct equivalents within the FXL2SD family. Verify pinout compatibility and electrical characteristics before substitution. Ensure any alternative maintains the same dual-supply configuration and package dimensions.
