SN74F04NS Equivalent & Substitute Parts

Part Overview

The SN74F04NS is a 6-channel inverter logic integrated circuit manufactured by Texas Instruments, housed in a 14-SO surface mount package. This device functions as a hex inverter, providing six independent inverting gates in a single package. The SN74F04NS is classified as Last Time Buy, indicating discontinued production status. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production requirements for applications utilizing this logic function.

Substiute Parts

SN74F04NS

Texas InstrumentsIn Stock: 993SN74F04NS Datasheet

Current PartRFQ

SN74F04NSR

Texas InstrumentsIn Stock: 5029SN74F04NSR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SN74F04NS is determined by the following critical parameters:

Mandatory Matching Parameters:

• Manufacturer: Texas Instruments
• Series: 74F
• Logic Type: Inverter
• Number of Circuits: 6
• Package Type: 14-SOIC (0.209", 5.30mm Width)
• Voltage Supply Range: 4.5V ~ 5.5V
• Input Logic Levels: 0.8V (Low), 2V (High)
• Max Propagation Delay: 5ns @ 5V, 50pF
• Operating Temperature: 0°C ~ 70°C
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

The SN74F04NSR qualifies as a direct substitute based on identical electrical characteristics, identical package specifications, and compatible product lineage within the Texas Instruments 74F series. The primary distinction is packaging format (Tape & Reel versus tube) and product status (Active versus Last Time Buy).

Parameter Comparison

Engineering Selection Recommendations

The SN74F04NSR is a direct functional and electrical equivalent to the SN74F04NS. Selection between these parts should be based on the following factors:

Product Status Consideration: The SN74F04NS carries Last Time Buy status, indicating end-of-life production. The SN74F04NSR maintains Active status with Texas Instruments, ensuring ongoing availability and supply chain stability for new designs and production continuity.

Compliance and Certifications: Both parts maintain identical ROHS3 compliance and Moisture Sensitivity Level 1 (Unlimited) ratings, ensuring equivalent environmental and handling requirements.

Packaging Format: The SN74F04NS is supplied in tube packaging, while the SN74F04NSR is supplied in Tape & Reel format. Selection depends on assembly process requirements and volume considerations. Tape & Reel packaging is standard for automated surface mount assembly operations.

Electrical Performance: All critical electrical parameters are identical, including voltage supply range, logic levels, propagation delay, and output current specifications. The SN74F04NSR exhibits lower quiescent current (4.3 mA versus 15.3 mA), representing improved power efficiency without compromising functional performance.

Pin Configuration and PCB Compatibility: Both parts utilize identical 14-SOIC package dimensions and pinout, ensuring direct PCB layout compatibility without redesign requirements.

Frequently Asked Questions (FAQ)

Q: Can the SN74F04NSR directly replace the SN74F04NS on existing PCBs?

A: Yes. The SN74F04NSR is electrically and mechanically equivalent to the SN74F04NS. Both devices share identical pinout, package dimensions (14-SOIC, 0.209" width), and electrical specifications. Direct substitution on existing PCBs is supported without circuit modification.

Q: What is the difference between SN74F04NS and SN74F04NSR?

A: The primary differences are product status and packaging format. The SN74F04NS is Last Time Buy (discontinued), supplied in tube packaging. The SN74F04NSR is Active (current production), supplied in Tape & Reel format. Electrical specifications and package dimensions are identical.

Q: Why does the SN74F04NSR have lower quiescent current?

A: The quiescent current specification difference (4.3 mA versus 15.3 mA) reflects manufacturing process improvements and measurement conditions. This lower value in the SN74F04NSR represents improved power efficiency. Both parts meet identical functional and timing specifications.

Q: Is the SN74F04NSR suitable for automated assembly?

A: Yes. The SN74F04NSR is supplied in Tape & Reel packaging, which is the standard format for automated surface mount assembly operations. The SN74F04NS tube packaging is suitable for manual or semi-automated assembly processes.

Q: Are there any temperature or voltage operating differences between these parts?

A: No. Both parts operate identically across the 0°C to 70°C temperature range and 4.5V to 5.5V supply voltage range. Input logic thresholds and propagation delay specifications are identical.

Q: What compliance certifications apply to both parts?

A: Both the SN74F04NS and SN74F04NSR are ROHS3 compliant and carry Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity restrictions. Both parts are classified as EAR99 for export control purposes.