SN74LVC138AQDRG4Q1

Overview

The SN74LVC138AQDRG4Q1 is an automotive-grade 3-to-8 line decoder and demultiplexer from Texas Instruments, belonging to the LVC logic family. It operates within a supply voltage range of 2 V to 3.6 V and features low dynamic power consumption. The device is housed in a 16-pin TSSOP package with a maximum propagation delay of 6.7 ns. It supports a wide operating temperature range from -40°C to +125°C and holds AEC-Q100 qualification for automotive applications.

Feature Summary

• Automotive-grade reliability certified under AEC-Q100 standards for long-term durability.
• Low dynamic power consumption suitable for battery-operated systems.
• Wide operating voltage range supporting 2 V to 3.6 V supply rails.

Applications

• Automotive electronic control units requiring address decoding
• Consumer electronics utilizing low-voltage logic interfaces
• Industrial equipment needing wide temperature operation

Procurement Notes

Verify the specific suffix 'G4' indicates RoHS compliance and manufacturing changes as per Texas Instruments documentation. Confirm the package type matches the design footprint requirements. Ensure the AEC-Q100 qualification status aligns with the target application's reliability standards. Cross-reference the datasheet revision history for any functional updates before finalizing the procurement order.

Selection Notes

Select this component when automotive certification and low power consumption are critical. The LVC series offers speed-performance optimization compared to standard CMOS. Verify that the 3.6 V maximum voltage rating suits the system power supply. Consider the TSSOP package dimensions for PCB layout constraints. Ensure input logic levels are compatible with the driving source voltage.

Part Context

This part belongs to the SN74LVC138A-Q1 family of 3-to-8 decoders. The 'AQ' designation signifies automotive qualification, while 'G4' typically denotes lead-free/RoHS compliant packaging variations. It serves as a direct replacement for non-automotive grade counterparts where environmental resilience is required.

FAQ

What is the maximum supply voltage for the SN74LVC138AQDRG4Q1?

The maximum supply voltage (VCC) is 3.6 V.

Is this component qualified for automotive applications?

Yes, it is AEC-Q100 qualified for automotive use.