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Product Detailed Parameters
- Description：IC DECODER/DEMUX 1X3:8 20BGA
- Series：74LVC
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT),Bulk
- Type：Decoder/Demultiplexer
- Circuit：1 x 3:8
- Independent Circuits：1
- Current - Output High, Low：24mA, 24mA
- Voltage Supply Source：Single Supply
- Voltage - Supply：1.65V ~ 3.6V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：20-VFBGA
- Supplier Device Package：20-BGA MICROSTAR JUNIOR (4x3)
- Grade：-
- Qualification：-
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Overview
The SN74LVC138AZQNR is a 3-line to 8-line decoder and demultiplexer manufactured by Texas Instruments. It operates within a voltage range of 2.7 V to 3.6 V. The device features low dynamic power consumption and includes three enable inputs for expansion capabilities. It utilizes a 20-pin VFBGA package. The component is designed for high-performance memory decoding applications.
Feature Summary
- Provides 3-to-8 line decoding functionality with active-low outputs
- Features three enable inputs to facilitate system expansion
- Designed for low dynamic power consumption in LVC technology
Applications
- High-performance memory decoding systems
- Industrial control applications requiring robust logic decoding
- Automotive electronics utilizing AEC-Q100 qualified components
Procurement Notes
Verify the specific suffix 'ZQNR' against official Texas Instruments documentation to confirm package type and qualification status. Ensure compatibility with existing PCB footprints for the 20-pin VFBGA configuration. Cross-reference datasheet revisions to confirm pinout consistency before finalizing procurement orders.
Selection Notes
Select this component when a 3-to-8 decoder is required for automotive or industrial environments. Verify that the operating voltage aligns with the 2.7 V to 3.6 V specification. Confirm that the VFBGA package fits the mechanical constraints of the design. Check availability as some variants may be obsolete.
Part Context
This part belongs to the SN74LVC138A family of decoders and demultiplexers. It is an automotive-grade variant indicated by the 'AQ' designation in similar family members, though specific qualification details must be verified in the official datasheet. The family is known for wide operating voltage ranges and low power consumption.
Replacement Considerations
The SN74LVC138APWR is listed as a substitute option. Verify electrical specifications and package dimensions before substitution. Ensure the replacement meets all environmental and performance requirements of the original design.
