SN74LS06DRE4 Equivalent & Substitute Parts

Part Overview

The SN74LS06DRE4 is a 6-channel inverter logic IC with open collector output configuration, manufactured by Texas Instruments in the 74LS series. This component is classified as discontinued at DiGi Electronics, making equivalent substitute parts necessary for ongoing design requirements and production continuity. The open collector architecture enables direct interfacing with multiple voltage domains and load configurations common in legacy and modern digital systems.

Substiute Parts

SN74LS06DRE4

Texas InstrumentsIn Stock: 1012SN74LS06DRE4 Datasheet

Current PartRFQ

SN74LS06DR

Texas InstrumentsIn Stock: 17573SN74LS06DR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SN74LS06DRE4 is determined by strict equivalence across the following critical parameters:

• Logic type and circuit configuration (6-channel inverter with open collector output)
• Electrical specifications (supply voltage range 4.75V ~ 5.25V, output current 40mA, input logic levels, propagation delay)
• Package type and physical dimensions (14-SOIC form factor)
• Compliance certifications (ROHS3, REACH status)
• Mounting technology (surface mount)

The SN74LS06DR qualifies as a direct substitute based on identical electrical characteristics, package specifications, and compliance requirements. The primary distinction is product status and packaging format availability.

Parameter Comparison

Engineering Selection Recommendations

The SN74LS06DR is the direct equivalent for the SN74LS06DRE4 and is the appropriate selection for new procurement and design continuity. The SN74LS06DR maintains active product status with Texas Instruments, ensuring long-term availability and supply chain stability. Both parts carry identical ROHS3 compliance and REACH unaffected status, meeting environmental and regulatory requirements. The SN74LS06DR is available in Cut Tape and Digi-Reel packaging formats, providing flexibility for both prototype and production volume requirements. No functional or electrical differences exist between these parts; selection should be based on packaging format and inventory availability requirements.

Frequently Asked Questions (FAQ)

Q: Can the SN74LS06DR be used as a direct replacement for the SN74LS06DRE4?

A: Yes. Both parts are electrically and functionally identical. They share the same logic configuration, electrical specifications, operating temperature range, and 14-SOIC package dimensions. The primary difference is product status and packaging availability.

Q: What does "open collector" output mean for substitution purposes?

A: Open collector output configuration allows the output to sink current to ground but cannot source current. This architecture enables direct interfacing with multiple voltage domains and requires external pull-up resistors. Any substitute must maintain this same output configuration.

Q: Are there any compliance or certification differences between these parts?

A: No. Both the SN74LS06DRE4 and SN74LS06DR are ROHS3 compliant, REACH unaffected, and carry identical moisture sensitivity levels. They meet the same environmental and regulatory standards.

Q: Does packaging format affect electrical performance?

A: No. The Cut Tape and Digi-Reel packaging formats of the SN74LS06DR are logistical variations only. Electrical performance, specifications, and functionality remain identical regardless of packaging format selected.

Q: What is the significance of the "DRE4" suffix in the part number?

A: The DRE4 suffix indicates a specific packaging and date code variant. The base part number 74LS06 and the DR designation define the core component. Substitution is valid across these packaging variants when electrical specifications remain constant.