74F00SJ NAND Gate IC Equivalent & Substitute Parts

Part Overview

The 74F00SJ is a 4-channel 2-input NAND gate logic IC manufactured by onsemi in a 14-SOP surface mount package. This component is classified as obsolete, making equivalent substitute parts necessary for new designs and production continuity. The 74F00 series represents a standard logic function with consistent electrical characteristics across qualified manufacturers, enabling direct substitution based on matching electrical parameters and package compatibility.

Key Parameters

Parameter	Value
Logic Type	NAND Gate
Number of Circuits	4
Number of Inputs	2
Voltage Supply Range	4.5V ~ 5.5V
Output Current (High/Low)	1mA / 20mA
Input Logic Level Low	0.8V
Input Logic Level High	2V
Max Propagation Delay	5ns @ 5V, 50pF
Operating Temperature	0°C ~ 70°C
Mounting Type	Surface Mount
Package Type	14-SOIC
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the 74F00SJ is determined by strict equivalence of the following parameters:

Logic function: 4-channel 2-input NAND gate
Electrical specifications: 4.5V ~ 5.5V supply, 1mA/20mA output current, 0.8V/2V input logic levels, 5ns propagation delay
Operating temperature range: 0°C ~ 70°C
Package type: 14-SOIC surface mount configuration
Moisture sensitivity: MSL 1 (Unlimited)

All qualified substitutes maintain identical electrical performance and functional characteristics. Packaging format variations (Tape & Reel vs. Tube) do not affect electrical compatibility but may impact procurement and handling requirements.

Parameter Comparison

Parameter	74F00SJ (onsemi)	SN74F00NSR (TI)	SN74F00D (TI)	SN74F00DR (TI)
Manufacturer	onsemi	Texas Instruments	Texas Instruments	Texas Instruments
Product Status	Obsolete	Active	Last Time Buy	Active
Logic Type	NAND Gate	NAND Gate	NAND Gate	NAND Gate
Circuits / Inputs	4 / 2	4 / 2	4 / 2	4 / 2
Voltage Supply	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V
Output Current (H/L)	1mA / 20mA	1mA / 20mA	1mA / 20mA	1mA / 20mA
Input Logic Levels (L/H)	0.8V / 2V	0.8V / 2V	0.8V / 2V	0.8V / 2V
Max Propagation Delay	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
Package / Case	14-SOIC (0.209", 5.30mm)	14-SOIC (0.209", 5.30mm)	14-SOIC (0.154", 3.90mm)	14-SOIC (0.154", 3.90mm)
Packaging Format	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
RoHS Status	-	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

Primary Recommendation: SN74F00DR (Texas Instruments)

The SN74F00DR is the preferred substitute for the obsolete 74F00SJ. This part maintains active product status with full RoHS3 compliance and unlimited moisture sensitivity rating. The 14-SOIC package dimensions (0.154" × 3.90mm width) are compatible with standard PCB layouts. Tape & Reel packaging supports automated assembly processes. Inventory availability of 44,744 units ensures supply continuity.

Secondary Recommendation: SN74F00NSR (Texas Instruments)

The SN74F00NSR provides an alternative with identical electrical specifications and active product status. This part is supplied in Tape & Reel format with the same 14-SOIC package footprint (0.209" × 5.30mm width). RoHS3 compliance and unlimited MSL rating are maintained. Inventory of 2,100 units is available.

Alternative Option: SN74F00D (Texas Instruments)

The SN74F00D is classified as Last Time Buy and carries identical electrical and functional specifications. This part is supplied in Tube packaging with 14-SOIC configuration (0.154" × 3.90mm width). RoHS3 compliance applies. With 8,600 units in stock, this option is suitable for applications where procurement timing is not critical.

Package Consideration:

The 74F00SJ uses a 14-SOP package (0.209" width). Both SN74F00NSR and SN74F00D/SN74F00DR use 14-SOIC packages. The SN74F00NSR maintains the 0.209" width dimension, providing direct footprint compatibility. The SN74F00D and SN74F00DR use the narrower 0.154" width variant, which may require PCB layout verification for existing designs.

Frequently Asked Questions (FAQ)

Q: Can the 74F00SJ be directly replaced with SN74F00DR on existing PCBs?

A: Yes, the SN74F00DR is electrically and functionally equivalent. However, verify PCB footprint compatibility. The SN74F00DR uses a 14-SOIC package with 0.154" width, while the original 74F00SJ uses 0.209" width. If the PCB is designed for the wider package, layout verification is required.

Q: What is the difference between Tape & Reel and Tube packaging?

A: Tape & Reel packaging is optimized for automated pick-and-place assembly and high-volume production. Tube packaging is suitable for manual assembly or lower-volume applications. Both formats contain identical components with the same electrical specifications.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All Texas Instruments substitutes (SN74F00NSR, SN74F00D, SN74F00DR) are RoHS3 compliant. The original 74F00SJ does not specify RoHS status.

Q: Why is the 74F00SJ obsolete?

A: The 74F00SJ is classified as obsolete by onsemi. Texas Instruments continues to manufacture equivalent 74F00 logic gates in active production status, making their parts the recommended substitutes for new designs and ongoing production.

Q: Do all substitutes operate at the same temperature range?

A: Yes. All parts operate across 0°C to 70°C, maintaining identical thermal specifications.

Q: What is the significance of MSL 1 (Unlimited) rating?

A: MSL 1 (Unlimited) indicates that the component has unlimited shelf life and does not require moisture bake-out procedures before soldering. All listed parts carry this rating.

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