74AC138TTR

Signal Switches, Multiplexers, Decoders Overview

The STMicroelectronics 74AC138TTR is an advanced high-speed CMOS 3-to-8 line inverting decoder fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology. It operates within a supply voltage range of 2V to 6V, featuring low power dissipation with a maximum quiescent current of 4μA at 25°C. The device provides high noise immunity and symmetrical output impedance, ensuring balanced propagation delays between rising and falling transitions.

Signal Switches, Multiplexers, Decoders Feature Summary

• Advanced high-speed CMOS construction using sub-micron silicon gate and double-layer metal wiring technology
• Tree enable inputs facilitate cascade connection and application of address decoders for memory systems
• Outputs equipped with protection circuits against static discharge providing ESD immunity

Signal Switches, Multiplexers, Decoders Applications

• Address decoding for memory systems
• Cascaded tree enable applications
• High-speed digital logic control

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific package type, as the TTR suffix indicates tape and reel packaging. Confirm that the component meets RoHS compliance requirements for your region. Ensure the operating temperature range aligns with your system's environmental conditions. Check for any recent lifecycle status updates from the manufacturer regarding availability.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when a high-speed 3-to-8 decoder is required with low power consumption. It is suitable for designs needing symmetrical output drive capabilities and high noise immunity. Consider the 2V to 6V operating voltage range for compatibility with various logic families. Verify pin compatibility if replacing older 74 series equivalents.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the 74AC family of advanced CMOS logic devices. It is functionally compatible with the standard 74 series 138 but offers improved speed and lower power dissipation. The TSSOP-16 package allows for surface-mount assembly, making it suitable for compact electronic designs requiring efficient space utilization.

Signal Switches, Multiplexers, Decoders Replacement Considerations

The 74AC138MTR is a tape and reel alternative in the SOP-16 package. For DIP packages, the 74AC138B is available. Ensure the replacement maintains the same logic function and electrical characteristics.