SN7406NG4 Equivalent & Substitute Parts

Part Overview

The SN7406NG4 is a 6-channel inverter logic IC with open collector outputs, manufactured by Texas Instruments in the 7400 series. This part features a 14-PDIP through-hole package and operates within a 4.75V to 5.25V supply voltage range. The SN7406NG4 is currently discontinued at DiGi Electronics, making equivalent substitute parts necessary for ongoing design support and procurement.

Substiute Parts

SN7406NG4
Texas InstrumentsIn Stock: 681SN7406NG4 Datasheet
SN7406NG4
Current Part
SN7406N
Texas InstrumentsIn Stock: 7232SN7406N Datasheet
SN7406N
MFR Recommended
SN7416N
Texas InstrumentsIn Stock: 4475SN7416N Datasheet
SN7416N
Parametric Equivalent

Key Parameters

Parameter Value
Logic Type Inverter
Number of Circuits 6
Number of Inputs 1
Features Open Collector
Voltage - Supply 4.75V ~ 5.25V
Current - Output High, Low -, 40mA
Input Logic Level - Low 0.8V
Input Logic Level - High 2V
Max Propagation Delay @ V, Max CL 23ns @ 5V, 15pF
Operating Temperature 0°C ~ 70°C
Mounting Type Through Hole
Package / Case 14-DIP (0.300", 7.62mm)
RoHS Status ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the SN7406NG4 is determined by strict equivalence across the following critical parameters:

  • Logic type (Inverter)
  • Circuit count (6 channels)
  • Input configuration (1 input per channel)
  • Output architecture (Open Collector)
  • Supply voltage range (4.75V ~ 5.25V)
  • Output current capability (40mA low)
  • Input logic thresholds (0.8V low, 2V high)
  • Propagation delay (23ns @ 5V, 15pF)
  • Operating temperature range (0°C ~ 70°C)
  • Package type (14-DIP through-hole)

All substitute parts listed maintain identical electrical and mechanical specifications across these parameters, ensuring direct functional replacement without circuit redesign.

Parameter Comparison

Parameter SN7406NG4 SN7406N SN7416N
Manufacturer Texas Instruments Texas Instruments Texas Instruments
Logic Type Inverter Inverter Inverter
Number of Circuits 6 6 6
Number of Inputs 1 1 1
Features Open Collector Open Collector Open Collector
Voltage - Supply 4.75V ~ 5.25V 4.75V ~ 5.25V 4.75V ~ 5.25V
Current - Output Low 40mA 40mA 40mA
Input Logic Level - Low 0.8V 0.8V 0.8V
Input Logic Level - High 2V 2V 2V
Max Propagation Delay @ V, Max CL 23ns @ 5V, 15pF 23ns @ 5V, 15pF 23ns @ 5V, 15pF
Operating Temperature 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C
Mounting Type Through Hole Through Hole Through Hole
Package / Case 14-DIP (0.300", 7.62mm) 14-DIP (0.300", 7.62mm) 14-DIP (0.300", 7.62mm)
Product Status Discontinued Active Active
RoHS Status ROHS3 Compliant ROHS3 Compliant ROHS3 Compliant

Engineering Selection Recommendations

The SN7406N is the manufacturer-recommended substitute for the discontinued SN7406NG4. Both parts are manufactured by Texas Instruments and maintain identical electrical and mechanical specifications. The SN7406N is currently in active production status with higher inventory availability (7154 pcs), ensuring long-term supply chain reliability.

The SN7416N is a parametric equivalent offering identical functional performance across all specified electrical parameters. This part is also in active production status with substantial inventory (4450 pcs). Selection between SN7406N and SN7416N should be based on availability and procurement lead times, as both provide equivalent performance for the SN7406NG4 application.

Both substitute parts maintain ROHS3 compliance and REACH unaffected status, consistent with the original part's regulatory certifications.

Frequently Asked Questions (FAQ)

Q: Can SN7406N and SN7416N be used interchangeably with SN7406NG4?

A: Yes. Both substitute parts maintain identical electrical specifications including logic type, circuit count, input configuration, output current capability, timing characteristics, and operating temperature range. The 14-DIP through-hole package is mechanically identical, enabling direct socket replacement without circuit modification.

Q: What is the difference between SN7406N and SN7416N?

A: Both parts are parametric equivalents with identical electrical and mechanical specifications for the parameters provided. Selection should be based on availability and procurement considerations, as both deliver equivalent performance in the SN7406NG4 application.

Q: Why is the SN7406NG4 discontinued?

A: The SN7406NG4 is discontinued at DiGi Electronics. The active production alternatives SN7406N and SN7416N provide continued access to this inverter logic function with identical performance characteristics.

Q: Are there any compliance or certification differences?

A: All three parts maintain ROHS3 compliance and REACH unaffected status. Regulatory certifications are consistent across the original part and both substitutes.

Q: What packaging formats are available for these substitutes?

A: The SN7406N and SN7416N are supplied in tube packaging. Both maintain the 14-DIP (0.300", 7.62mm) through-hole package format, ensuring mechanical compatibility with existing PCB designs.

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