SN74AHC04MDREP Equivalent & Substitute Parts

Part Overview

The SN74AHC04MDREP is a 6-channel inverter logic IC manufactured by Texas Instruments in a 14-SOIC surface mount package. This part is classified as Active status and is widely used in digital logic applications requiring signal inversion across multiple channels. Substitute parts are necessary to address supply chain availability, inventory requirements, or specific manufacturing preferences while maintaining functional and electrical compatibility within the defined parameter ranges.

Substiute Parts

SN74AHC04MDREP

Texas InstrumentsIn Stock: 981SN74AHC04MDREP Datasheet

Current PartRFQ

MC74VHC04DR2G

onsemiIn Stock: 1441MC74VHC04DR2G Datasheet

DirectRFQ

74AHC04D,118

Nexperia USA Inc.In Stock: 568974AHC04D,118 Datasheet

MFR RecommendedRFQ

74AHC04S14-13

Diodes IncorporatedIn Stock: 118774AHC04S14-13 Datasheet

MFR RecommendedRFQ

74AHCU04D,118

Nexperia USA Inc.In Stock: 124974AHCU04D,118 Datasheet

MFR RecommendedRFQ

74AHCU04S14-13

Diodes IncorporatedIn Stock: 2022074AHCU04S14-13 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SN74AHC04MDREP are qualified based on the following criteria:

Electrical Compatibility Parameters:

• Logic type must be Inverter with 6 channels and 1 input per channel
• Supply voltage range must encompass or match 2V ~ 5.5V
• Output current capability must meet or exceed 8mA for both high and low states
• Propagation delay must not exceed 7.5ns at 5V with 50pF load
• Quiescent current must not exceed 2 µA (with exception noted for specific variants)

Mechanical Compatibility Parameters:

• Package must be 14-SOIC form factor with 0.154" width (3.90mm)
• Mounting type must be Surface Mount
• Supplier device package must be 14-SOIC or 14-SO

Compliance Parameters:

• RoHS3 compliance required
• Moisture Sensitivity Level 1 (Unlimited)
• Active product status

Substitutes are grouped into two categories: direct equivalents from alternative manufacturers (MC74VHC04DR2G) and functionally compatible variants with modified input logic levels or quiescent current specifications (74AHC04D,118; 74AHC04S14-13; 74AHCU04D,118; 74AHCU04S14-13).

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility):

74AHC04D,118 (Nexperia USA Inc.) and 74AHC04S14-13 (Diodes Incorporated) maintain the 74AHC series designation and are fully compatible with the SN74AHC04MDREP across all critical electrical parameters. Both are Active status products with ROHS3 compliance. The 74AHC04D,118 variant offers extended temperature range to -40°C and higher inventory availability (5649 Pcs). The 74AHC04S14-13 variant exhibits elevated quiescent current (20 µA vs. 2 µA) and should be selected only when supply constraints require it.

Alternative Series Substitutes (Modified Input Logic Levels):

74AHCU04D,118 and 74AHCU04S14-13 (74AHCU series) provide improved propagation delay (7ns vs. 7.5ns) but feature modified input logic level thresholds (0.3V ~ 1.1V for low, 1.7V ~ 4.4V for high) compared to the standard 74AHC series (0.5V ~ 1.65V for low, 1.5V ~ 3.85V for high). These parts are suitable only when circuit design accommodates the different input threshold specifications. The 74AHCU04S14-13 offers the highest inventory availability (20200 Pcs).

Cross-Manufacturer Substitute (Temperature Limitation):

MC74VHC04DR2G (onsemi) maintains electrical equivalence but operates within a narrower temperature range (-40°C ~ 85°C vs. -55°C ~ 125°C). This part is suitable for applications not requiring the extended low-temperature performance of the original part.

All substitute parts maintain RoHS3 compliance, MSL Level 1, and Active product status.

Frequently Asked Questions (FAQ)

Q: Can MC74VHC04DR2G replace SN74AHC04MDREP in all applications?

A: MC74VHC04DR2G is electrically equivalent but operates within a reduced temperature range (-40°C ~ 85°C). It is suitable for applications operating within this temperature window. Applications requiring operation below -40°C or above 85°C must use the original part or 74AHC series substitutes.

Q: What is the difference between 74AHC04 and 74AHCU04 series?

A: Both series provide 6-channel inverter functionality in 14-SOIC packages with identical supply voltage ranges and output current ratings. The 74AHCU04 series features different input logic level thresholds (0.3V ~ 1.1V for low, 1.7V ~ 4.4V for high) and faster propagation delay (7ns vs. 7.5ns). Selection depends on circuit input signal characteristics and timing requirements.

Q: Why do some substitutes show higher quiescent current (20 µA vs. 2 µA)?

A: The 74AHC04S14-13 and 74AHCU04S14-13 variants from Diodes Incorporated exhibit elevated quiescent current specifications. These parts remain functionally compatible but may increase overall circuit power consumption. Use these variants only when primary substitutes are unavailable.

Q: Are all substitute parts available in the same package?

A: All substitute parts are available in 14-SOIC surface mount packages with identical physical dimensions (0.154" width, 3.90mm). They are mechanically interchangeable on PCBs designed for 14-SOIC components.

Q: Do all substitutes maintain RoHS3 compliance?

A: Yes. All listed substitute parts are ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited) and maintain Active product status, ensuring compliance with current environmental and regulatory requirements.