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Texas Instruments

Texas Instruments 74AHCT | Texas Instruments

74AHCT series from Texas Instruments

74AHCT Datasheet

Texas Instruments 74AHCT Series Overview

Advanced high-speed CMOS logic with 2V to 5.

The 74AHCT from Texas Instruments is a Advanced high-speed CMOS logic with 2V to 5.5V operation and sub-5ns propagation delays. This series includes 28 variants, each tailored for specific application requirements while sharing a common architecture and design ecosystem.

As part of the Advanced High-Speed CMOS 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 2V to 5.5V supply rails, the 74AHCT devices deliver consistent performance across the full operating temperature range.

Octatronics stocks 74AHCT 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

  • 2V to 5.5V Supply Voltage RangeOperates from 2V to 5.5V 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 ~4ns Switching PerformancePropagation delay ~4ns 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

  • High-speed digital design
  • Data acquisition systems
  • Networking equipment
  • FPGA/CPLD glue logic

Compare 74AHCT Variants

Side-by-side comparison of 10 product variants from Texas Instruments

ParameterSN74AHCT595NE4SN74AHCT08BQARSN74AHCT04RGYRG4SN74AHCT02NSN74AHCT00NE4SN74AHCT541IDWREPSN74AHCT86RGYRG4SN74AHCT86PWRSN74AHCT86NSRSN74AHCT86N
Package / Case16-DIP (0.300, 7.62mm)-14-VFQFN Exposed Pad14-DIP (0.300", 7.62mm)14-PDIP20-SOIC (0.295", 7.50mm Width)14-VFQFN Exposed Pad14-TSSOP (0.173", 4.40mm Width)14-SOIC (0.209", 5.30mm Width)14-DIP (0.300", 7.62mm)
Operating Temperature-40°C ~ 125°C--40°C ~ 125°C-40°C ~ 85°C-40°C ~ 85°C-40°C ~ 85°C (TA)-40°C ~ 85°C-40°C ~ 85°C-40°C ~ 85°C-40°C ~ 85°C
Current Output High Low--8mA, 8mA8mA, 8mA8mA, 8mA8mA, 8mA8mA, 8mA8mA, 8mA8mA, 8mA8mA, 8mA
Current Quiescent Max--2 µA2 µA2 µA-2 µA2 µA2 µA2 µA
Logic Level High---2V--2V2V2V2V
Logic Level Low---0.8V--0.8V0.8V0.8V0.8V
Logic TypeShift Register-InverterNOR GateNAND GateBuffer, Non-InvertingXOR (Exclusive OR)XOR (Exclusive OR)XOR (Exclusive OR)XOR (Exclusive OR)
Max Propagation Delay V Max Cl--7.7ns @ 5V, 50pF7.5ns @ 5V, 50pF7.9ns @ 5V, 50pF-8.8ns @ 5V, 50pF8.8ns @ 5V, 50pF8.8ns @ 5V, 50pF8.8ns @ 5V, 50pF
Number of Circuits--64--4444
Number of Inputs--12--2222
Supplier Device Package--14-VQFN (3.5x3.5)14-PDIP14-PDIP20-SOIC14-VQFN (3.5x3.5)14-TSSOP14-SO14-PDIP
Supply Voltage4.5V ~ 5.5V-4.5V ~ 5.5V4.5V ~ 5.5V4.5V ~ 5.5V4.5V ~ 5.5V4.5V ~ 5.5V4.5V ~ 5.5V4.5V ~ 5.5V4.5V ~ 5.5V
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Selection Guide
📦Package
16-DIP (0.300, 7.62mm)→SN74AHCT595NE4
14-VFQFN Exposed Pad→SN74AHCT04RGYRG4SN74AHCT86RGYRG4
14-DIP (0.300", 7.62mm)→SN74AHCT02NSN74AHCT86N
14-PDIP→SN74AHCT00NE4
20-SOIC (0.295", 7.50mm Width)→SN74AHCT541IDWREP
14-TSSOP (0.173", 4.40mm Width)→SN74AHCT86PWR
14-SOIC (0.209", 5.30mm Width)→SN74AHCT86NSR
🌡️Temperature Range
-40°C ~ 125°C→SN74AHCT595NE4SN74AHCT04RGYRG4
-40°C ~ 85°C→SN74AHCT02NSN74AHCT00NE4SN74AHCT86RGYRG4SN74AHCT86PWRSN74AHCT86NSRSN74AHCT86N
-40°C ~ 85°C (TA)→SN74AHCT541IDWREP

Base Numbers

Base NumberDescriptionVariantsStatusAction
74AHCT0474AHCT04 variants from Texas Instruments1 MPNsActiveView Details
SN74AHCTTexas Instruments SN74AHCT devices combine Advanced High-Speed CMOS outputs with TTL-compatible inputs for 5 V gates, buffers, registers, and bus-interface logic.225 MPNsActiveView Details

Technical Specifications

Compare key 74AHCT specifications across available variants. All parameters are typical values at 25 degC unless otherwise noted.

Electrical Characteristics

Supply Voltage (VCC)
2V to 5.5V
Propagation Delay
~4ns
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 74AHCT series.

The 74AHCT is a Texas Instruments Advanced high-speed CMOS logic with 2V to 5.5V operation and sub-5ns propagation delays. The series includes 28 variants optimized for different application requirements.
The 74AHCT series currently includes 28 variants. Each variant may differ in package type, operating specifications, and feature set. Browse the product table above to compare available options.
The 74AHCT series is used in High-speed digital design, Data acquisition systems, Networking equipment, and FPGA/CPLD glue logic. Contact our applications team for design-in support and recommendation.
Octatronics is an authorized distributor of Texas Instruments products including the 74AHCT 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 74AHCT series. Small-quantity orders are available for design evaluation, with volume pricing for production runs. Contact our sales team for custom pricing.