74F04SJ Equivalent & Substitute Parts

Part Overview

The 74F04SJ is a 6-channel inverter logic IC manufactured by onsemi in a 14-SOP surface mount package. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing production and maintenance applications. The 74F04 series provides standard TTL-compatible inverter functionality suitable for digital logic circuits requiring signal inversion across multiple channels.

Key Parameters

Parameter	Value
Logic Type	Inverter
Number of Circuits	6
Number of Inputs	1
Voltage - Supply	4.5V ~ 5.5V
Current - Output High, Low	1mA, 20mA
Input Logic Level - Low	0.8V
Input Logic Level - High	2V
Max Propagation Delay @ V, Max CL	5ns @ 5V, 50pF
Operating Temperature	0°C ~ 70°C
Mounting Type	Surface Mount
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the 74F04SJ is determined by strict equivalence across the following critical parameters:

Logic type and function (6-channel inverter, 1 input per channel)
Electrical specifications (supply voltage 4.5V ~ 5.5V, output current 1mA/20mA, propagation delay 5ns @ 5V/50pF)
Input logic levels (low 0.8V, high 2V)
Operating temperature range (0°C ~ 70°C)
Surface mount packaging with 14-pin SOIC footprint compatibility
Base product number 74F04 series designation

The substitute parts listed below meet all these criteria. Packaging variations (Tape & Reel vs. Tube) and product status differences do not affect functional equivalence but may impact procurement and supply chain considerations.

Parameter Comparison

Parameter	74F04SJ (onsemi)	SN74F04NSR (TI)	SN74F04D (TI)	SN74F04DR (TI)
Manufacturer	onsemi	Texas Instruments	Texas Instruments	Texas Instruments
Logic Type	Inverter	Inverter	Inverter	Inverter
Number of Circuits	6	6	6	6
Number of Inputs	1	1	1	1
Voltage - Supply	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V
Current - Output High, Low	1mA, 20mA	1mA, 20mA	1mA, 20mA	1mA, 20mA
Input Logic Level - Low	0.8V	0.8V	0.8V	0.8V
Input Logic Level - High	2V	2V	2V	2V
Max Propagation Delay @ V, Max CL	5ns @ 5V, 50pF	5ns @ 5V, 50pF	5ns @ 5V, 50pF	5ns @ 5V, 50pF
Operating Temperature	0°C ~ 70°C	0°C ~ 70°C	0°C ~ 70°C	0°C ~ 70°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	14-SOIC (0.209", 5.30mm Width)	14-SOIC (0.209", 5.30mm Width)	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.154", 3.90mm Width)
Product Status	Obsolete	Active	Last Time Buy	Active
RoHS Status	REACH Unaffected	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

SN74F04NSR (Texas Instruments) is the primary recommended substitute. This part is active in production status with ROHS3 compliance certification, ensuring long-term availability and regulatory alignment. The packaging format (Tape & Reel) supports automated assembly processes.

SN74F04DR (Texas Instruments) is the secondary recommended substitute. This part maintains active production status and ROHS3 compliance. The package dimensions differ slightly (0.154" vs. 0.209" width), requiring PCB layout verification before implementation.

SN74F04D (Texas Instruments) is available as a tertiary option with Last Time Buy status. While functionally equivalent, this status indicates limited future availability and should be selected only when SN74F04NSR and SN74F04DR are unavailable.

All three substitutes are functionally equivalent to the 74F04SJ and meet the complete electrical and mechanical specification set required for direct replacement in 74F04 logic applications.

Frequently Asked Questions (FAQ)

Q: Can SN74F04NSR, SN74F04D, and SN74F04DR be used interchangeably with 74F04SJ?

A: Yes. All three parts are functionally equivalent inverter ICs with identical logic type, circuit count, electrical specifications, and operating parameters. Substitution is valid from an electrical standpoint.

Q: What is the difference between the package dimensions listed for these parts?

A: The 74F04SJ and SN74F04NSR use 14-SOIC packages with 0.209" width. The SN74F04D and SN74F04DR use 14-SOIC packages with 0.154" width. These are different physical footprints. PCB layout compatibility must be verified before selecting parts with different package dimensions.

Q: Why is the 74F04SJ marked as obsolete?

A: The 74F04SJ is no longer in active production by onsemi. The substitute parts from Texas Instruments provide equivalent functionality and are actively manufactured, making them suitable for new designs and ongoing production requirements.

Q: Are there compliance or regulatory differences between these parts?

A: The Texas Instruments substitutes (SN74F04NSR, SN74F04D, SN74F04DR) carry ROHS3 compliance certification. The 74F04SJ is REACH Unaffected. All parts share identical ECCN (EAR99) and HTSUS (8542.39.0001) classifications. Compliance requirements for your application should determine final part selection.

Q: What packaging formats are available?

A: SN74F04NSR is supplied in Tape & Reel format, suitable for automated pick-and-place assembly. SN74F04D is supplied in Tube format. SN74F04DR is supplied in Tape & Reel format. Packaging selection depends on assembly process requirements.

Q: Are all parts rated for the same operating temperature range?

A: Yes. All parts operate across 0°C to 70°C, matching the 74F04SJ specification.

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