74LVC1G126FS3-7

Overview

The Diodes Incorporated 74LVC1G126FS3-7 is a single non-inverting buffer and bus driver featuring three-state outputs, designed for operation within a power supply range of 1.65V to 5.5V. It utilizes the LVC logic family and operates across an extended temperature range from -40°C to +125°C. The device incorporates IOFF circuitry to support partial power-down applications by disabling outputs and preventing damaging current backflow when powered down. Inputs accept voltages up to 5.5V, facilitating direct interface with TTL levels in mixed-voltage environments.

Feature Summary

• Integrated IOFF circuitry enables safe partial power-down mode operation by preventing output current backflow during power-off states.
• Inputs are tolerant to 5.5V, allowing direct interfacing with TTL levels and compatibility in mixed-voltage system architectures.
• Outputs enter a high-impedance state when the OE pin is held low, providing effective signal isolation and bus control capabilities.

Applications

• Voltage level shifting between different logic domains
• Power down signal isolation in multi-supply systems
• General purpose logic buffering and bus driving

Procurement Notes

Verify that the FS3 suffix corresponds to the X2-DFN0808-4 package configuration as specified in the ordering information. Confirm RoHS compliance and lead-free status requirements against project specifications. Ensure input pins are tied to valid logic levels when unused to prevent undefined states. Validate thermal resistance parameters against PCB layout constraints for the specific surface-mount application.

Selection Notes

Select this component for designs requiring a single-channel buffer with active-high enable control and robust ESD protection. The wide operating voltage range supports both low-power and standard logic interfaces. Consider the small footprint of the X2-DFN0808-4 package for space-constrained portable electronics or embedded computing modules where minimal board area is critical.

Part Context

This part belongs to the 74LVC1G126 series of single bus buffers manufactured by Diodes Incorporated. It shares functional characteristics with other variants in the family but is distinguished by its specific X2-DFN0808-4 package code (FS3). The series provides standardized digital buffering solutions compatible with various consumer and industrial electronic applications.

Replacement Considerations

Cross-reference with 74LVC1G126SE-7 for SOT353 packaging or 74LVC1G126W5-7 for SOT25 packaging if footprint changes are permissible. Verify pinout compatibility and electrical specifications before substituting with devices from other manufacturers such as Nexperia or Texas Instruments.