MC74VHC125DTR2G

Overview

The MC74VHC125DTR2G is a quad bus buffer and line driver from the 74VHC logic family, manufactured by onsemi. It features four non-inverting outputs with three-state capability in a TSSOP-14 surface-mount package. The device operates within a supply voltage range of 2 V to 5.5 V and maintains low static current consumption of 40 µA. It supports an extended industrial temperature range from -55 °C to +125 °C. This component is designed for high-speed digital signal buffering and level shifting applications requiring robust performance across varying voltage conditions.

Feature Summary

• Provides four independent non-inverting buffer channels with three-state output control for efficient bus management.
• Operates over a wide supply voltage range from 2 V to 5.5 V, ensuring compatibility with diverse logic families.
• Features low static power consumption to support energy-efficient system designs.
• Rated for extended industrial operating temperatures ranging from -55 °C to +125 °C.

Applications

• Bus-oriented memory and address drivers
• Clock distribution and buffering
• Voltage translation between different logic domains

Procurement Notes

Verify the specific ordering suffix DTR2G to confirm the tape-and-reel packaging format and quantity. Ensure the procurement documentation explicitly references the AEC-Q100 qualification if automotive reliability standards are required for the application. Cross-reference the manufacturer part number with official distributor catalogs to confirm current availability status and lead times before finalizing orders.

Selection Notes

Select this component when a quad buffer with three-state outputs is required for bus architectures. The 74VHC series offers speed comparable to 74AC devices but with CMOS input characteristics. Consider the TSSOP-14 package constraints for PCB layout. Verify that the 2 V to 5.5 V operating range aligns with the target system's power supply rails and noise margins.

Part Context

This part belongs to the 74VHC (Very-High-Speed CMOS) logic family, which bridges the performance gap between standard HC and AC logic families. The 74VHC125 specifically denotes a quad buffer with three-state outputs. The 'DTR2G' suffix indicates the TSSOP-14 package type, reel packaging, and RoHS compliance. It is functionally similar to other 74VHC125 variants but distinguished by its specific packaging and manufacturing lot codes.

Replacement Considerations

Direct pin-compatible substitutes include other manufacturers' 74VHC125 parts in TSSOP-14 packages. Verify electrical parameters such as propagation delay and output drive current against the original datasheet specifications. Ensure that any replacement part maintains the same three-state control logic and voltage operating range.