SN74ACT238BQBR

Signal Switches, Multiplexers, Decoders Overview

The SN74ACT238BQBR is a three-to-eight decoder/demultiplexer from Texas Instruments, operating within a 4.5V to 5.5V supply voltage range. It features one standard output strobe (G2) and two active-low output strobes (G1 and G0). The device utilizes a 16-pin WQFN package with dimensions of 2.5x3.5 mm. It belongs to the ACT logic series, providing high-speed performance suitable for demanding digital applications.

Signal Switches, Multiplexers, Decoders Feature Summary

• Provides decoding functionality converting three binary inputs into eight distinct outputs
• Includes multiple output strobe controls for precise signal gating and timing management
• Designed for high-speed operation compatible with advanced CMOS logic families

Signal Switches, Multiplexers, Decoders Applications

• Address decoding in microprocessor-based systems
• Signal routing in data acquisition architectures
• Memory chip selection circuits

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific suffix BQBR confirms the WQFN-16 package and tape-and-reel packaging configuration. Ensure compatibility with the required 4.5V to 5.5V operating voltage range. Confirm RoHS compliance status matches project requirements. Validate that the active-low strobe logic aligns with system design specifications before procurement.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when a compact 16-pin WQFN footprint is required for three-to-eight decoding. It is appropriate for designs needing high-speed ACT logic performance within a 5V environment. Consider the active-low strobe inputs if precise output enable control is necessary for the application architecture.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the SN74ACT family of high-speed CMOS logic devices. It serves as a decoder/demultiplexer variant within Texas Instruments' extensive logic portfolio. The ACT series offers improved speed and power characteristics compared to older LS or HC technologies, making it suitable for modern digital interfaces.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Check for SN74ACT238 variants with different package options such as SOIC or TSSOP if pinout compatibility allows. Verify equivalent parts from other manufacturers offering similar 3-to-8 decoding functions in comparable packages.