SN74LV594ADE4 Equivalent & Substitute Parts

Part Overview

The SN74LV594ADE4 is an 8-bit shift register with serial-to-parallel conversion functionality, manufactured by Texas Instruments in the 74LV logic series. This component operates across a 2V to 5.5V supply voltage range and is housed in a 16-SOIC surface mount package. The part is designated as Last Time Buy status, indicating limited future availability. Identifying equivalent and substitute parts ensures design continuity and supply chain reliability for applications requiring this shift register functionality.

Substiute Parts

SN74LV594ADE4

Texas InstrumentsIn Stock: 759SN74LV594ADE4 Datasheet

Current PartRFQ

SN74LV594AD

Texas InstrumentsIn Stock: 2243SN74LV594AD Datasheet

MFR RecommendedRFQ

SN74LV594ADR

Texas InstrumentsIn Stock: 4017SN74LV594ADR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the SN74LV594ADE4 is determined by strict equivalence across the following critical parameters: logic type (shift register), bit width (8-bit), function (serial to parallel), output type (push-pull), supply voltage range (2V ~ 5.5V), operating temperature range (-40°C ~ 85°C), and package specification (16-SOIC). All identified substitutes maintain identical electrical and mechanical characteristics, differing only in packaging format (tube versus tape & reel) and product lifecycle status. The base product number 74LV594 remains constant across all variants, confirming functional interchangeability.

Parameter Comparison

Engineering Selection Recommendations

All three parts maintain identical electrical specifications and mechanical compatibility. Selection should prioritize product lifecycle status and packaging requirements. The SN74LV594ADR offers the advantage of Active product status, ensuring long-term availability and continued manufacturer support. For applications requiring tube packaging, the SN74LV594AD provides higher inventory availability (2200 units) compared to the original SN74LV594ADE4 (735 units), both sharing Last Time Buy designation. All parts comply with ROHS3 and maintain MSL Level 1 classification. Compliance certifications (REACH Unaffected, ECCN EAR99) are uniform across all variants.

Frequently Asked Questions (FAQ)

Q: Can SN74LV594AD be used as a direct replacement for SN74LV594ADE4? A: Yes. Both parts are electrically and mechanically identical, differing only in packaging format (tube). The SN74LV594AD is supplied in tube packaging, matching the original specification.

Q: What is the difference between SN74LV594AD and SN74LV594ADR? A: The primary difference is packaging format. SN74LV594AD is supplied in tube packaging, while SN74LV594ADR is supplied in tape & reel format. Electrical and mechanical specifications are identical. SN74LV594ADR maintains Active product status, whereas SN74LV594AD is Last Time Buy.

Q: Are there any voltage or temperature rating differences between these parts? A: No. All three parts operate identically across the 2V to 5.5V supply voltage range and -40°C to 85°C operating temperature range.

Q: Which substitute offers the best long-term availability? A: SN74LV594ADR is designated as Active product status, indicating ongoing manufacturer support and availability. SN74LV594ADE4 and SN74LV594AD are both Last Time Buy, indicating limited future production.

Q: Is the 16-SOIC package identical across all three parts? A: Yes. All parts use the 16-SOIC package with 0.154" width (3.90mm), ensuring identical PCB footprint and mounting compatibility.

Q: Do all parts meet the same compliance standards? A: Yes. All three parts are ROHS3 compliant, REACH unaffected, and classified as MSL Level 1 (Unlimited moisture sensitivity level).