MC74VHC125MELG

Overview

The MC74VHC125MELG is a quad bus buffer with 3-state control inputs, fabricated using advanced high-speed CMOS technology. It operates within a supply voltage range of 2 V to 5.5 V and features four independent non-inverting buffers. The device provides low static current consumption and supports output drive currents of ±8 mA. It is housed in a compact SOEIAJ-14 package and is designed for surface-mount applications across an extended temperature range.

Feature Summary

• Advanced high-speed CMOS fabrication ensures rapid signal propagation
• Quad configuration with independent 3-state outputs for flexible bus management
• Wide operating voltage range supporting 2 V to 5.5 V systems
• Low static power consumption suitable for energy-efficient designs

Applications

• High-speed data bus buffering in embedded systems
• Voltage level translation between 2.5 V and 5 V logic domains
• Clock distribution networks requiring precise timing control
• Memory interface drivers for consumer electronics

Procurement Notes

Verify the specific suffix MELG corresponds to the SOEIAJ-14 package variant when sourcing. Confirm RoHS compliance status through official manufacturer declarations. Ensure ESD handling protocols are followed during assembly due to CMOS sensitivity. Cross-reference datasheet revision dates to guarantee parameter accuracy for critical design implementations.

Selection Notes

Select this component for applications requiring quad buffering with tri-state capability in space-constrained layouts. The SOEIAJ-14 package offers a smaller footprint compared to standard SOIC options. Consider the 2 V minimum supply voltage for compatibility with low-power microcontrollers. Evaluate propagation delay specifications against system clock requirements to ensure signal integrity.

Part Context

This part belongs to the onsemi 74VHC series, which combines CMOS speed with TTL-compatible inputs. The VHC family is optimized for high-frequency operations while maintaining low power dissipation. The MC74VHC125 specifically addresses the need for buffered outputs in complex digital circuits where signal isolation and drive strength are critical.

Replacement Considerations

MC74VHC125DR2G: Quad buffer in SOIC-14 package; verify pinout compatibility. MC74VHC125DTR2G: Quad buffer in TSSOP-14 package; check thermal performance differences.