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Texas Instruments 7400 | Texas Instruments

7400 series from Texas Instruments

Texas Instruments 7400 Series Overview

Classic 7400-series TTL logic gates forming the foundation of digital electronics.

The 7400 from Texas Instruments is a Classic 7400-series TTL logic gates forming the foundation of digital electronics. This series includes 4 variants, each tailored for specific application requirements while sharing a common architecture and design ecosystem.

As part of the Standard TTL Logic family, these devices provide industry-standard pinouts and well-characterized electrical specifications, enabling straightforward integration into new designs and drop-in replacement in existing systems. Operating from 4.75V to 5.25V supply rails, the 7400 devices deliver consistent performance across the full operating temperature range.

Octatronics stocks 7400 variants in multiple package options. Request a quote for volume pricing, check real-time availability, or contact our engineering team for application support and alternative part recommendations.

Key Features

  • 4.75V to 5.25V Supply Voltage RangeOperates from 4.75V to 5.25V supply rails for broad system compatibility and flexible power-rail design.
  • Industry-Standard PinoutsDrop-in compatible with standard logic family pinouts, simplifying board layout and enabling multi-source procurement.
  • Propagation delay ~10ns Switching PerformancePropagation delay ~10ns enable reliable operation in high-frequency digital systems.
  • Low Quiescent PowerCMOS technology ensures minimal static power consumption, extending battery life in portable applications.
  • Wide Temperature RangeQualified for commercial (0°C to 70°C) and industrial (-40°C to 85°C) temperature ranges for diverse deployment environments.

Target Applications

  • Education and training
  • Prototyping
  • Legacy maintenance
  • Basic digital circuits

Compare 7400 Variants

Side-by-side comparison of 9 product variants from Texas Instruments

ParameterSN7400NSRG4SN7400NSRE4SN7400NSRSN7400DRE4SN7400DRG4SN7400DRSN7400NE4SN7400NSN7400D
Package / Case14-SOIC (0.209", 5.30mm Width)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)14-SOIC (0.154", 3.90mm Width)14-DIP (0.300", 7.62mm)14-DIP (0.300", 7.62mm)-
Operating Temperature0°C ~ 70°C0°C ~ 70°C0°C ~ 70°C0°C ~ 70°C0°C ~ 70°C0°C ~ 70°C0°C ~ 70°C0°C ~ 70°C-
Current Output High Low400µA, 16mA400µA, 16mA400µA, 16mA400µA, 16mA400µA, 16mA400µA, 16mA400µA, 16mA400µA, 16mA-
Logic Level High2V2V2V2V2V2V-2V-
Logic Level Low0.8V0.8V0.8V0.8V0.8V0.8V-0.8V-
Logic TypeNAND GateNAND GateNAND GateNAND GateNAND GateNAND GateNAND GateNAND Gate-
Max Propagation Delay V Max Cl22ns @ 5V, 15pF22ns @ 5V, 15pF22ns @ 5V, 15pF22ns @ 5V, 15pF22ns @ 5V, 15pF22ns @ 5V, 15pF22ns @ 5V, 15pF22ns @ 5V, 15pF-
Number of Circuits44444444-
Number of Inputs22222222-
Supplier Device Package14-SO14-SO14-SO14-SOIC14-SOIC14-SOIC14-PDIP14-PDIP-
Supply Voltage4.75V ~ 5.25V4.75V ~ 5.25V4.75V ~ 5.25V4.75V ~ 5.25V4.75V ~ 5.25V4.75V ~ 5.25V4.75V ~ 5.25V4.75V ~ 5.25V-
Request QuoteRequest QuoteRequest QuoteRequest QuoteRequest QuoteRequest QuoteRequest QuoteRequest QuoteRequest Quote
Selection Guide
📦Package
14-SOIC (0.209", 5.30mm Width)SN7400NSRG4SN7400NSRE4SN7400NSR
14-SOIC (0.154", 3.90mm Width)SN7400DRE4SN7400DRG4SN7400DR
14-DIP (0.300", 7.62mm)SN7400NE4SN7400N

Technical Specifications

Compare key 7400 specifications across available variants. All parameters are typical values at 25 degC unless otherwise noted.

Electrical Characteristics

Supply Voltage (VCC)
4.75V to 5.25V
Propagation Delay
~10ns
Output Drive
±24 mA (typical)
Quiescent Current
<1 µA per gate (typical)

Operating Conditions

Temperature Range
-40°C to 85°C (industrial)
Package Options
SOIC, TSSOP, VSSOP, QFN
ESD Protection
HBM >= 2000V

Frequently Asked Questions

Common technical questions about the 7400 series.

The 7400 is a Texas Instruments Classic 7400-series TTL logic gates forming the foundation of digital electronics. The series includes 4 variants optimized for different application requirements.
The 7400 series currently includes 4 variants. Each variant may differ in package type, operating specifications, and feature set. Browse the product table above to compare available options.
The 7400 series is used in Education and training, Prototyping, Legacy maintenance, and Basic digital circuits. Contact our applications team for design-in support and recommendation.
Octatronics is an authorized distributor of Texas Instruments products including the 7400 series. We provide competitive pricing, fast delivery, and full traceability for all components. Request a quote or contact us for availability and lead times.
Yes, Octatronics supports both prototype and production quantities for the 7400 series. Small-quantity orders are available for design evaluation, with volume pricing for production runs. Contact our sales team for custom pricing.