74HC04DB,112 Inverter IC Equivalent & Substitute Parts

Part Overview

The 74HC04DB,112 is a 6-channel inverter logic IC manufactured by Nexperia USA Inc. in a 14-SSOP surface mount package. This component is classified as obsolete, making equivalent substitute parts necessary for new designs and production continuity. The 74HC04 series represents a standard logic inverter function across multiple manufacturers, with several active alternatives available that maintain functional compatibility while offering different packaging and availability options.

Substiute Parts

74HC04DB,112

Nexperia USA Inc.In Stock: 89974HC04DB,112 Datasheet

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74HC04PW,118

Nexperia USA Inc.In Stock: 209974HC04PW,118 Datasheet

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MM74HC04MTCX

onsemiIn Stock: 3463MM74HC04MTCX Datasheet

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SN74HC04DBR

Texas InstrumentsIn Stock: 3014SN74HC04DBR Datasheet

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SN74HC04IPWRG4Q1

Texas InstrumentsIn Stock: 966SN74HC04IPWRG4Q1 Datasheet

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SN74HC04PW

Texas InstrumentsIn Stock: 3329SN74HC04PW Datasheet

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SN74HC04PWR

Texas InstrumentsIn Stock: 4950SN74HC04PWR Datasheet

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SN74HC04PWT

Texas InstrumentsIn Stock: 2167SN74HC04PWT Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the 74HC04DB,112 is determined by the following critical parameters:

• Logic Function: All substitutes must implement 6-channel inverter logic with single input per channel
• Electrical Specifications: Supply voltage range (2V ~ 6V), quiescent current (2 µA max), output current (5.2mA), and input logic levels must be maintained
• Propagation Delay: Maximum delay specifications determine signal timing compatibility
• Operating Temperature: The original part supports -40°C ~ 125°C; substitutes with -40°C ~ 85°C are functionally compatible for most applications within the reduced range
• Package Compatibility: Surface mount packages (SSOP and TSSOP variants) are mechanically interchangeable on PCBs with appropriate footprint design
• Compliance: RoHS3 compliance and MSL rating are maintained across all substitutes

Substitutes are grouped by package type (SSOP vs. TSSOP) and manufacturer, with all maintaining the core 74HC04 base product functionality.

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation - Same Package (SSOP): SN74HC04DBR (Texas Instruments) provides direct package compatibility with the original 74HC04DB,112 in 14-SSOP form factor. This eliminates PCB footprint redesign requirements. The part is active with strong inventory availability (2912 Pcs). Operating temperature range is reduced to -40°C ~ 85°C, which is acceptable for most commercial and industrial applications.

Alternative Recommendation - Nexperia Continuity (TSSOP): 74HC04PW,118 (Nexperia USA Inc.) maintains the original manufacturer lineage and preserves the full -40°C ~ 125°C operating temperature range. The 14-TSSOP package requires PCB footprint adjustment but offers superior thermal performance and higher inventory (1996 Pcs). Propagation delay remains at 14ns, matching the original specification.

High-Volume Alternative: SN74HC04PWR (Texas Instruments) offers the highest inventory availability (4879 Pcs) with active product status. The 14-TSSOP package and 16ns propagation delay are suitable for applications where the extended temperature range of the original part is not required.

Automotive-Grade Option: SN74HC04IPWRG4Q1 (Texas Instruments) includes AEC-Q100 automotive qualification for applications requiring automotive-grade components. This part maintains all electrical specifications and is available in 14-TSSOP packaging.

Frequently Asked Questions (FAQ)

Q: Can I use a 14-TSSOP package substitute on a PCB designed for 14-SSOP? A: No. While both are surface mount packages with 14 pins, the SSOP (0.209" width) and TSSOP (0.173" width) have different footprints. PCB layout modification is required for package conversion. Direct pin-to-pin compatibility exists, but physical placement differs.

Q: What is the impact of the 16ns propagation delay in substitutes versus the original 14ns? A: The 2ns difference is negligible for most logic applications. This delay variance is within standard CMOS inverter specifications and does not affect functional compatibility in typical digital circuits operating below 100 MHz.

Q: Why do some substitutes have -40°C ~ 85°C instead of -40°C ~ 125°C? A: Operating temperature range is a manufacturing specification that reflects the tested and guaranteed performance envelope. The -40°C ~ 85°C range covers standard industrial and commercial temperature requirements. Applications requiring extended high-temperature operation (-85°C to 125°C) should specify 74HC04PW,118 or equivalent Nexperia parts.

Q: Is the 74HC04DB,112 truly obsolete, or can I still source it? A: The part is marked obsolete by the manufacturer, indicating end-of-life status. While 850 Pcs remain in inventory, new production has ceased. For long-term supply security, migration to active alternatives is recommended.

Q: Are all substitutes RoHS3 compliant? A: Yes. All listed substitutes maintain RoHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with modern manufacturing and environmental standards.

Q: Which substitute offers the best availability for immediate procurement? A: SN74HC04PWR (Texas Instruments) provides the highest inventory at 4879 Pcs with active product status, ensuring reliable short-term and long-term availability.