74F11SJX AND Gate IC Equivalent & Substitute Parts

Part Overview

The 74F11SJX is a 3-channel AND 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 ongoing production requirements. The 74F11 series provides standard AND gate functionality with three independent 3-input channels, operating within the 4.5V to 5.5V supply voltage range typical of TTL logic families.

Key Parameters

Parameter	Value
Logic Type	AND Gate
Number of Circuits	3
Number of Inputs	3
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	5.6ns @ 5V, 50pF
Operating Temperature	0°C ~ 70°C
Mounting Type	Surface Mount
Base Product Number	74F11
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the 74F11SJX are qualified based on the following critical parameters that determine functional and mechanical compatibility:

Logic Function: All substitutes must implement 3-channel, 3-input AND gate logic
Electrical Specifications: Supply voltage (4.5V ~ 5.5V), output current (1mA/20mA), input logic levels (0.8V low, 2V high), and propagation delay (5.6ns @ 5V, 50pF) must be identical
Operating Temperature Range: 0°C ~ 70°C
Base Product Series: 74F family
Mounting Type: Surface mount only
Package Compatibility: 14-pin SOIC variants (14-SOP, 14-SOIC, 14-SO)

The three qualified substitutes—SN74F11NSR, SN74F11D, and SN74F11DR—all meet these electrical and mechanical requirements while differing only in packaging format and product status.

Parameter Comparison

Parameter	74F11SJX (onsemi)	SN74F11D (TI)	SN74F11DR (TI)	SN74F11NSR (TI)
Manufacturer	onsemi	Texas Instruments	Texas Instruments	Texas Instruments
Logic Type	AND Gate	AND Gate	AND Gate	AND Gate
Number of Circuits	3	3	3	3
Number of Inputs	3	3	3	3
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	5.6ns @ 5V, 50pF	5.6ns @ 5V, 50pF	5.6ns @ 5V, 50pF	5.6ns @ 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
Product Status	Obsolete	Last Time Buy	Active	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

For Active Production: SN74F11DR (Texas Instruments) is the preferred substitute. This part maintains active product status, ensuring long-term availability and supply chain stability. It carries ROHS3 compliance certification and is available in Tape & Reel packaging suitable for automated assembly processes.

For Legacy Support: SN74F11NSR (Texas Instruments) provides an alternative with active status and identical electrical performance. The 14-SO package variant offers compatibility with existing board layouts while maintaining full functional equivalence.

End-of-Life Transition: SN74F11D (Texas Instruments) is designated Last Time Buy status. While electrically equivalent and ROHS3 compliant, this part should be considered only for short-term production runs or inventory consolidation, as availability will be discontinued.

All three substitutes are electrically and functionally identical to the 74F11SJX, with differences limited to packaging format and product lifecycle status.

Frequently Asked Questions (FAQ)

Q: Can SN74F11DR replace 74F11SJX directly on existing PCBs?

A: Yes. Both parts are 14-pin surface mount packages with identical pin configurations, electrical specifications, and functional behavior. The SN74F11DR (14-SOIC, 0.154" width) and 74F11SJX (14-SOP, 0.209" width) have different body widths but are compatible with standard 14-SOIC footprints used in modern PCB designs.

Q: What is the difference between SN74F11D, SN74F11DR, and SN74F11NSR?

A: All three are functionally identical AND gate ICs with the same electrical performance. The differences are: SN74F11D uses Tube packaging and has Last Time Buy status; SN74F11DR uses Tape & Reel packaging with Active status; SN74F11NSR uses Tape & Reel packaging in a 14-SO variant with Active status. Choose based on packaging requirements and supply chain continuity needs.

Q: Are there any compliance or certification differences?

A: The 74F11SJX is REACH Unaffected. All three Texas Instruments substitutes (SN74F11D, SN74F11DR, SN74F11NSR) are ROHS3 Compliant, meeting modern environmental and regulatory standards. All parts share identical Moisture Sensitivity Level (MSL) ratings of 1 (Unlimited).

Q: What is the propagation delay specification, and does it affect substitution?

A: All qualified substitutes maintain identical maximum propagation delay of 5.6ns at 5V with 50pF load. This timing specification is critical for logic circuit operation and is guaranteed across all substitute parts, ensuring no timing-related compatibility issues.

Q: Can I use these parts interchangeably in high-speed applications?

A: Yes. The 5.6ns propagation delay specification is consistent across all parts, supporting applications requiring this timing performance. The 74F logic family is suitable for standard TTL-speed applications within the specified operating temperature range of 0°C to 70°C.

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