SN74ACT238PWRQ1

Signal Switches, Multiplexers, Decoders Overview

The SN74ACT238PWRQ1 is an automotive-grade 3-to-8 decoder/demultiplexer with non-inverted outputs and TTL-compatible inputs. It operates within a supply voltage range of 4.5V to 5.5V. The device features balanced CMOS push-pull outputs capable of continuous ±24mA drive at 5V, supporting up to ±75mA in short bursts. Maximum propagation delay is 10.9ns. It is qualified under AEC-Q100 standards for Grade 1, functioning between -40°C and +125°C.

Signal Switches, Multiplexers, Decoders Feature Summary

• AEC-Q100 qualified for automotive applications with specified temperature and ESD ratings
• TTL-compatible CMOS inputs designed for direct interface with standard logic devices
• Balanced CMOS push-pull outputs providing high current drive capability

Signal Switches, Multiplexers, Decoders Applications

• Memory device selection with shared data bus
• Reducing required number of outputs for chip select applications
• Routing data signals

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific package type (TSSOP or WQFN) and ordering suffix against the official datasheet before procurement. Confirm that the component meets the required AEC-Q100 qualification grade and operating temperature specifications for the intended automotive environment. Ensure input and output electrical limits are respected during system design.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when a single 3-to-8 decoding function with non-inverted outputs is required in automotive systems. It is suitable for designs needing TTL-compatible inputs and high-speed operation with low propagation delay. Consider the available packages based on board space and thermal requirements.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the SN74ACT238-Q1 family of automotive decoders. It provides a one-of-eight decoding function controlled by three address lines and three strobe inputs. The device simplifies cascading and demultiplexing tasks while maintaining compatibility with standard logic families through its input characteristics.

Signal Switches, Multiplexers, Decoders Replacement Considerations

SN74ACT238PW