SN74AHC04DG4 Equivalent & Substitute Parts

Part Overview

The SN74AHC04DG4 is a 6-channel inverter logic IC manufactured by Texas Instruments in 14-SOIC surface mount packaging. This part is discontinued at DiGi Electronics, making equivalent and substitute parts necessary for ongoing design support and production continuity. The SN74AHC04DG4 operates across a 2V to 5.5V supply voltage range with low quiescent current and fast propagation delay characteristics suitable for general-purpose logic inversion applications.

Substiute Parts

SN74AHC04DG4

Texas InstrumentsIn Stock: 1041SN74AHC04DG4 Datasheet

Current PartRFQ

SN74AHC04DR

Texas InstrumentsIn Stock: 2625SN74AHC04DR Datasheet

DirectRFQ

MC74VHC04DR2G

onsemiIn Stock: 1441MC74VHC04DR2G Datasheet

DirectRFQ

SN74AHC04D

Texas InstrumentsIn Stock: 4053SN74AHC04D Datasheet

MFR RecommendedRFQ

74AHC04D,118

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

MFR RecommendedRFQ

74AHC04S14-13

Diodes IncorporatedIn Stock: 118774AHC04S14-13 Datasheet

MFR RecommendedRFQ

74AHCU04S14-13

Diodes IncorporatedIn Stock: 2022074AHCU04S14-13 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SN74AHC04DG4 are grouped based on the following critical parameters that determine functional and mechanical compatibility:

Primary Substitution Criteria:

• Logic Type: Inverter (6 channels, 1 input per channel)
• Supply Voltage Range: 2V ~ 5.5V minimum
• Output Current: 8mA minimum for both high and low states
• Package Type: 14-SOIC surface mount
• Propagation Delay: 7.5ns or faster at 5V, 50pF load
• Operating Temperature: -40°C to 125°C minimum

Substitute Categories:

Category 1: Direct Electrical Equivalents (Same Series)

• SN74AHC04DR (Texas Instruments, 14-SOIC, Tape & Reel)
• SN74AHC04D (Texas Instruments, 14-SOIC, Tube)
• 74AHC04D,118 (Nexperia USA Inc., 14-SO, Tape & Reel)
• 74AHC04S14-13 (Diodes Incorporated, 14-SO, Tape & Reel)

Category 2: Alternative Series with Modified Parameters

• MC74VHC04DR2G (onsemi, 74VHC series, 14-SOIC, Tape & Reel) — Operating temperature limited to -40°C ~ 85°C
• 74AHCU04S14-13 (Diodes Incorporated, 74AHCU series, 14-SO, Tape & Reel) — Modified input logic levels and quiescent current

Parameter Comparison

Engineering Selection Recommendations

Preferred Direct Substitute: SN74AHC04DR is the optimal substitute for SN74AHC04DG4. Both are Texas Instruments 74AHC series parts with identical electrical specifications, operating temperature range, and 14-SOIC packaging. The primary difference is packaging format (Tape & Reel vs. standard packaging), which does not affect functional performance. This part is currently active in production.

Alternative Substitutes with Full Compatibility: 74AHC04D,118 (Nexperia) and 74AHC04S14-13 (Diodes Incorporated) maintain all critical electrical parameters and operating temperature range. Both are active products. Note that 74AHC04S14-13 specifies 20 µA quiescent current versus 2 µA for the original part, which may impact low-power applications.

Conditional Substitutes: MC74VHC04DR2G (onsemi) is electrically compatible but operates only to 85°C maximum, versus 125°C for the original part. This part is suitable only for applications with operating temperature limits of 85°C or below.

74AHCU04S14-13 (Diodes Incorporated) features modified input logic levels (0.3V ~ 1.1V low, 1.7V ~ 4.4V high) and faster propagation delay (7ns). This part is suitable only for designs that accommodate these parameter variations.

Compliance & Certifications: All substitute parts listed maintain ROHS3 compliance, MSL Level 1 (Unlimited), and REACH Unaffected status, matching the original part's regulatory standing.

Frequently Asked Questions (FAQ)

Q: Can SN74AHC04DR be used as a direct replacement for SN74AHC04DG4? A: Yes. Both parts are Texas Instruments 74AHC series inverters with identical electrical specifications, operating temperature range (-40°C to 125°C), and 14-SOIC packaging. The difference in packaging format (Tape & Reel) does not affect functional performance.

Q: What is the difference between 14-SOIC and 14-SO packaging? A: Both designations refer to 14-pin small-outline IC packages with 0.154" (3.90mm) width. These are mechanically and electrically compatible. The terminology difference reflects manufacturer naming conventions.

Q: Why does 74AHC04S14-13 specify 20 µA quiescent current instead of 2 µA? A: This is a manufacturer-specific specification variation within the 74AHC series. While both parts meet the same functional requirements, the higher quiescent current may impact designs with strict power consumption constraints. Verify compatibility with your application's power budget.

Q: Is MC74VHC04DR2G suitable for all applications requiring SN74AHC04DG4? A: MC74VHC04DR2G is suitable only for applications operating at 85°C or below. The original part supports -40°C to 125°C. If your design requires the full 125°C upper temperature limit, use SN74AHC04DR or other 74AHC series alternatives instead.

Q: What are the input logic level differences in 74AHCU04S14-13? A: The 74AHCU04S14-13 specifies input logic levels of 0.3V ~ 1.1V (low) and 1.7V ~ 4.4V (high), compared to 0.5V ~ 1.65V (low) and 1.5V ~ 3.85V (high) for the original part. This affects noise margin and signal compatibility. Use this part only if your design accommodates these modified thresholds.

Q: Are all substitute parts RoHS3 compliant? A: Yes. All substitute parts listed maintain ROHS3 compliance, MSL Level 1 (Unlimited), and REACH Unaffected status, matching the original SN74AHC04DG4 regulatory requirements.

Q: Which substitute offers the best availability? A: 74AHCU04S14-13 (Diodes Incorporated) shows the highest inventory at 20,200 pieces. SN74AHC04DR (Texas Instruments) offers 2,522 pieces with active product status and identical specifications to the original part.