M74HC126YRM13TR

Overview

The M74HC126YRM13TR is a high-speed CMOS quad bus buffer with three-state outputs, fabricated using silicon gate C2MOS technology. It operates within a wide supply voltage range of 2V to 6V and supports surface-mount installation in a 14-TSSOP package. The device features balanced propagation delays and symmetrical output impedance, ensuring reliable signal transmission. It includes protection circuits against static discharge and transient excess voltage on all inputs, meeting AEC-Q100 automotive qualification standards for robust performance across industrial temperature ranges.

Feature Summary

• Quad bus buffer configuration with three-state output control
• High-speed operation utilizing silicon gate C2MOS technology
• Wide operating voltage range supporting 2V to 6V supply levels
• Automotive grade qualification compliant with AEC-Q100 standards

Applications

• Bus-oriented transmissions in digital systems
• Clock drivers requiring controlled output states
• Data acquisition systems needing signal buffering
• Automotive electronic control units (ECUs)

Procurement Notes

Verify the complete part number including the YRM13TR suffix to ensure correct packaging and tape-and-reel specifications. Confirm that the required automotive qualification level matches your system's reliability requirements. Check the latest datasheet for any updates regarding moisture sensitivity levels or recommended soldering profiles specific to the TSSOP-14 package variant.

Selection Notes

Select this component when a quad buffer with enable control is required for bus applications. Ensure the design utilizes a supply voltage between 2V and 6V to maintain specified electrical characteristics. Consider the 14-TSSOP package dimensions for PCB layout constraints. Verify that the input signal levels are compatible with the HC logic family thresholds for proper switching behavior.

Part Context

This component belongs to the M74HC14/M74HC126 series of high-speed CMOS logic devices manufactured by STMicroelectronics. The series is designed for applications requiring low power consumption and high noise immunity. It is pin and function compatible with standard 74HC series equivalents, facilitating direct replacement in existing designs without circuit modification.

Replacement Considerations

• SN74HC126DBR