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74AHC04S14-13 Equivalent & Substitute Parts
Part Overview
The 74AHC04S14-13 is a 6-channel inverter logic IC manufactured by Diodes Incorporated in 14-SOIC surface mount packaging. This part is currently active in production with 1130 units in stock. The 74AHC04 series serves as a fundamental building block in digital logic circuits, providing signal inversion across multiple channels with low power consumption and fast propagation delays.
Equivalent and substitute parts are necessary when the primary part becomes unavailable, when alternative manufacturers offer improved lead times, or when design requirements call for specific certifications such as automotive qualification or alternative packaging formats.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Logic Type | Inverter |
| Number of Circuits | 6 |
| Number of Inputs | 1 |
| Voltage Supply Range | 2V to 5.5V |
| Current - Quiescent (Max) | 20 µA |
| Current - Output High/Low | 8mA / 8mA |
| Input Logic Level - Low | 0.5V to 1.65V |
| Input Logic Level - High | 1.5V to 3.85V |
| Max Propagation Delay | 7.5ns @ 5V, 50pF |
| Operating Temperature | -40°C to 125°C |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the 74AHC04S14-13 is determined by the following critical parameters:
Functional Equivalence Requirements:
- Logic Type: Inverter
- Number of Circuits: 6
- Number of Inputs: 1
- Package / Case: 14-SOIC (0.154", 3.90mm Width)
- Mounting Type: Surface Mount
Electrical Compatibility Requirements:
- Voltage Supply Range: 2V to 5.5V (minimum overlap required)
- Current - Output High/Low: 8mA / 8mA
- Max Propagation Delay @ 5V, 50pF: 7.5ns or faster
- Operating Temperature: Must support -40°C minimum and 125°C maximum
Compliance Requirements:
- RoHS3 Compliant
- Moisture Sensitivity Level: 1 (Unlimited)
Substitute parts are grouped into three categories: parametric equivalents from the same manufacturer, direct equivalents from alternative manufacturers, and manufacturer-recommended alternatives with enhanced certifications or packaging options.
Parameter Comparison
| Part Number | Manufacturer | Series | Quiescent Current (Max) | Operating Temp Range | Packaging | Product Status | Inventory |
|---|---|---|---|---|---|---|---|
| 74AHC04S14-13 | Diodes Incorporated | 74AHC | 20 µA | -40°C to 125°C | Tape & Reel | Active | 1130 Pcs |
| 74AHC04D,118 | Nexperia USA Inc. | 74AHC | 2 µA | -40°C to 125°C | Tape & Reel | Active | 5649 Pcs |
| MC74VHC04DR2G | onsemi | 74VHC | 2 µA | -40°C to 85°C | Tape & Reel | Active | 1350 Pcs |
| SN74AHC04DR | Texas Instruments | 74AHC | 2 µA | -40°C to 125°C | Tape & Reel | Active | 2522 Pcs |
| SN74AHC04D | Texas Instruments | 74AHC | 2 µA | -40°C to 125°C | Tube | Discontinued at DiGi Electronics | 4038 Pcs |
| SN74AHC04QDR | Texas Instruments | 74AHC | 2 µA | -40°C to 125°C | Tape & Reel | Active | 1963 Pcs |
| SN74AHC04QDRG4Q1 | Texas Instruments | 74AHC | 2 µA | -40°C to 125°C | Tape & Reel | Active | 3105 Pcs |
| SN74AHC04QDRQ1 | Texas Instruments | 74AHC | 2 µA | -40°C to 125°C | Tape & Reel | Active | 3536 Pcs |
| SN74AHCU04D | Texas Instruments | 74AHCU | 2 µA | -40°C to 85°C | Tube | Last Time Buy | 1907 Pcs |
| SN74AHCU04DR | Texas Instruments | 74AHCU | 2 µA | -40°C to 85°C | Cut Tape & Digi-Reel | Active | 3455 Pcs |
Engineering Selection Recommendations
Primary Substitutes (Full Compatibility):
The 74AHC04D,118 from Nexperia USA Inc., SN74AHC04DR from Texas Instruments, and SN74AHC04QDR from Texas Instruments are direct functional equivalents. All three maintain the 74AHC series designation, support the full -40°C to 125°C operating temperature range, and are available in active production status. The Nexperia part offers the highest inventory availability at 5649 units. These parts feature improved quiescent current specifications (2 µA versus 20 µA) while maintaining all other electrical parameters.
Automotive-Qualified Alternatives:
The SN74AHC04QDRG4Q1 and SN74AHC04QDRQ1 from Texas Instruments are identical to the SN74AHC04QDR but include AEC-Q100 automotive qualification and Grade designation. These parts are suitable for applications requiring automotive-grade components and are available in active production with inventory levels of 3105 and 3536 units respectively.
Limited Temperature Range Alternatives:
The MC74VHC04DR2G from onsemi and SN74AHCU04DR from Texas Instruments operate within a reduced temperature range (-40°C to 85°C). These parts are suitable only for applications that do not require the full 125°C upper temperature limit. The MC74VHC04DR2G maintains the 74VHC series designation with equivalent electrical performance. The SN74AHCU04DR belongs to the 74AHCU series with different input logic level thresholds (0.3V to 1.1V for low, 1.7V to 4.4V for high) and faster propagation delay (7ns versus 7.5ns).
Discontinued or End-of-Life Parts:
The SN74AHC04D from Texas Instruments is marked as discontinued at DiGi Electronics and should not be selected for new designs. The SN74AHCU04D is in Last Time Buy status and represents an end-of-life product line.
Frequently Asked Questions (FAQ)
Q: Can I use the MC74VHC04DR2G as a direct replacement for the 74AHC04S14-13?
A: The MC74VHC04DR2G is functionally equivalent in terms of logic operation and packaging. However, it operates only to 85°C maximum, whereas the 74AHC04S14-13 operates to 125°C. Use this part only if your application does not require operation above 85°C.
Q: What is the difference between the 74AHC and 74AHCU series?
A: Both series provide 6-channel inverter functionality in 14-SOIC packaging. The primary differences are input logic level thresholds and maximum operating temperature. The 74AHC series accepts input levels from 0.5V to 3.85V and operates to 125°C. The 74AHCU series accepts input levels from 0.3V to 4.4V and operates to 85°C maximum. Select based on your specific input signal levels and temperature requirements.
Q: Why do some parts have higher quiescent current specifications?
A: The 74AHC04S14-13 specifies 20 µA maximum quiescent current, while most substitute parts specify 2 µA. This difference reflects manufacturing process variations and test conditions. All parts meet the functional requirements for inverter operation. Lower quiescent current is beneficial for battery-powered applications.
Q: Are the automotive-qualified versions (QDRG4Q1, QDRQ1) compatible with non-automotive applications?
A: Yes. Automotive-qualified parts meet all standard requirements plus additional automotive-specific testing and qualification criteria. They are fully compatible with non-automotive applications and offer enhanced reliability documentation.
Q: What packaging options are available?
A: The 74AHC04S14-13 is supplied in Tape & Reel format. Substitute parts are available in Tape & Reel, Cut Tape & Digi-Reel, and Tube packaging. Verify packaging compatibility with your assembly process before selection.
Q: Can I substitute parts with different manufacturers in the same design?
A: Yes. All listed substitute parts maintain identical logic functionality, electrical specifications within the stated ranges, and 14-SOIC packaging. Verify that your PCB assembly process and test procedures accommodate any minor variations in package dimensions or lead specifications between manufacturers.
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