SN74LS04NE4 Equivalent & Substitute Parts

Part Overview

The SN74LS04NE4 is a 6-channel inverter logic IC manufactured by Texas Instruments in a 14-PDIP package. This part is discontinued at DiGi Electronics, making equivalent substitute parts necessary for ongoing production and maintenance applications. The SN74LS04 series provides standard TTL 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	4.75V ~ 5.25V
Current - Output High, Low	400µA, 8mA
Input Logic Level - Low	0.8V
Input Logic Level - High	2V
Max Propagation Delay @ V, Max CL	15ns @ 5V, 15pF
Operating Temperature	0°C ~ 70°C
Package / Case	14-DIP (0.300", 7.62mm)
Mounting Type	Through Hole
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the SN74LS04NE4 is determined by strict equivalence across the following parameters:

Logic Type: Inverter (6 channels, 1 input per channel)
Electrical Specifications: Supply voltage 4.75V ~ 5.25V, output current 400µA/8mA, input logic levels 0.8V/2V, propagation delay 15ns @ 5V with 15pF load
Operating Temperature Range: 0°C ~ 70°C
Package: 14-DIP through-hole mounting
Compliance: ROHS3 compliant

The SN74LS04N meets all these criteria and serves as a direct substitute. Both parts share the same base product number (74LS04) and identical electrical and mechanical specifications.

Parameter Comparison

Parameter	SN74LS04NE4 (Main)	SN74LS04N (Substitute)
Manufacturer	Texas Instruments	Texas Instruments
Logic Type	Inverter	Inverter
Number of Circuits	6	6
Number of Inputs	1	1
Voltage - Supply	4.75V ~ 5.25V	4.75V ~ 5.25V
Current - Output High, Low	400µA, 8mA	400µA, 8mA
Input Logic Level - Low	0.8V	0.8V
Input Logic Level - High	2V	2V
Max Propagation Delay @ V, Max CL	15ns @ 5V, 15pF	15ns @ 5V, 15pF
Operating Temperature	0°C ~ 70°C	0°C ~ 70°C
Package / Case	14-DIP (0.300", 7.62mm)	14-DIP (0.300", 7.62mm)
Mounting Type	Through Hole	Through Hole
Product Status	Discontinued at DiGi Electronics	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

The SN74LS04N is the appropriate substitute for the discontinued SN74LS04NE4. Both parts are manufactured by Texas Instruments with identical electrical and mechanical specifications. The SN74LS04N maintains active product status, ensuring availability for procurement. Both parts carry ROHS3 compliance and meet the same regulatory requirements. Selection of the SN74LS04N eliminates obsolescence risk while maintaining full functional and electrical compatibility in 14-DIP through-hole applications.

Frequently Asked Questions (FAQ)

Q: Can the SN74LS04N directly replace the SN74LS04NE4 in existing designs?

A: Yes. Both parts are electrically and mechanically identical. The SN74LS04N operates within the same supply voltage range (4.75V ~ 5.25V), provides identical output current specifications (400µA, 8mA), and maintains the same propagation delay (15ns @ 5V, 15pF). The 14-DIP package pinout and through-hole mounting are identical.

Q: What is the difference between SN74LS04NE4 and SN74LS04N?

A: The primary difference is product status. The SN74LS04NE4 is discontinued at DiGi Electronics, while the SN74LS04N remains in active production. All electrical specifications, operating parameters, and package configurations are identical.

Q: Are there any compliance or certification differences?

A: No. Both parts carry ROHS3 compliance and are subject to the same regulatory requirements (REACH Unaffected, ECCN EAR99, HTSUS 8542.39.0001).

Q: Can I use the SN74LS04N in a through-hole PCB design originally specified for SN74LS04NE4?

A: Yes. Both parts use the 14-DIP (0.300", 7.62mm) through-hole package with identical pinout and mounting specifications.

Q: What is the operating temperature range for both parts?

A: Both the SN74LS04NE4 and SN74LS04N operate across 0°C ~ 70°C.

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