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Texas Instruments 74FCT | Texas Instruments

74FCT series from Texas Instruments

Texas Instruments 74FCT Series Overview

74FCT logic IC family for digital circuit design.

The 74FCT from Texas Instruments is a 74FCT logic IC family for digital circuit design. This series includes 24 variants, each tailored for specific application requirements while sharing a common architecture and design ecosystem.

As part of the 74FCT Logic Family 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 See datasheet supply rails, the 74FCT devices deliver consistent performance across the full operating temperature range.

Octatronics stocks 74FCT 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

  • See datasheet Supply Voltage RangeOperates from See datasheet 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.
  • See datasheet Switching PerformanceSee datasheet 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

  • Consumer electronics
  • Industrial automation
  • Telecommunications
  • Automotive electronics
  • Test and measurement

Compare 74FCT Variants

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

ParameterSN74FCT2646ATQCTG4CY74FCT841CTQCTCY74FCT825ATSOCTCY74FCT827CTSOCCY74FCT827CTQCTG4CY74FCT841CTSOCCY74FCT841BTPCG4CY74FCT825ATSOCTG4CY74FCT841CTSOCTCY74FCT841ATSOCT
Package / Case24-SSOP (0.154", 3.90mm Width)24-SSOP (0.154", 3.90mm Width)24-SOIC (0.295", 7.50mm Width)24-SOIC (0.295", 7.50mm Width)24-SSOP (0.154", 3.90mm Width)24-SOIC (0.295", 7.50mm Width)24-DIP (0.300", 7.62mm)24-SOIC (0.295", 7.50mm Width)24-SOIC (0.295", 7.50mm Width)24-SOIC (0.295", 7.50mm Width)
Operating Temperature-40°C ~ 85°C (TA)-40°C ~ 85°C-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C-40°C ~ 85°C-40°C ~ 85°C (TA)-40°C ~ 85°C-40°C ~ 85°C
Circuit-10:10---10:1010:10-10:1010:10
Current Output High Low15mA, 12mA32mA, 64mA32mA, 64mA32mA, 64mA32mA, 64mA32mA, 64mA32mA, 64mA32mA, 64mA32mA, 64mA32mA, 64mA
Delay Time Propagation-1.5ns---1.5ns1.5ns-1.5ns1.5ns
Independent Circuits-1---11-11
Logic TypeTransceiver, Non-InvertingD-Type Transparent Latch-Buffer, Non-InvertingBuffer, Non-InvertingD-Type Transparent LatchD-Type Transparent Latch-D-Type Transparent LatchD-Type Transparent Latch
Number of Bits Per Element8-81010--8--
Number of Elements1-111--1--
Output Type3-StateTri-StateTri-State, Non-Inverted3-State3-StateTri-StateTri-StateTri-State, Non-InvertedTri-StateTri-State
Supplier Device Package24-SSOP24-SSOP24-SOIC24-SOIC24-SSOP24-SOIC24-PDIP24-SOIC24-SOIC24-SOIC
Supply Voltage4.75V ~ 5.25V4.75V ~ 5.25V4.75V ~ 5.25V4.75V ~ 5.25V4.75V ~ 5.25V4.75V ~ 5.25V4.75V ~ 5.25V4.75V ~ 5.25V4.75V ~ 5.25V4.75V ~ 5.25V
Request QuoteRequest QuoteRequest QuoteRequest QuoteRequest QuoteRequest QuoteRequest QuoteRequest QuoteRequest QuoteRequest Quote
Selection Guide
📦Package
24-SSOP (0.154", 3.90mm Width)SN74FCT2646ATQCTG4CY74FCT841CTQCTCY74FCT827CTQCTG4
24-SOIC (0.295", 7.50mm Width)CY74FCT825ATSOCTCY74FCT827CTSOCCY74FCT841CTSOCCY74FCT825ATSOCTG4CY74FCT841CTSOCTCY74FCT841ATSOCT
24-DIP (0.300", 7.62mm)CY74FCT841BTPCG4
🌡️Temperature Range
-40°C ~ 85°C (TA)SN74FCT2646ATQCTG4CY74FCT825ATSOCTCY74FCT827CTSOCCY74FCT827CTQCTG4CY74FCT825ATSOCTG4
-40°C ~ 85°CCY74FCT841CTQCTCY74FCT841CTSOCCY74FCT841BTPCG4CY74FCT841CTSOCTCY74FCT841ATSOCT

Base Numbers

Base NumberDescriptionVariantsStatusAction
74FCT254174FCT2541 variants from Texas Instruments1 MPNsActiveView Details
CD74FCTCD74FCT variants from Texas Instruments7 MPNsActiveView Details
CY74FCTCY74FCT variants from Texas Instruments95 MPNsActiveView Details

Technical Specifications

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

Electrical Characteristics

Supply Voltage (VCC)
See datasheet
Propagation Delay
See datasheet
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 74FCT series.

The 74FCT is a Texas Instruments 74FCT logic IC family for digital circuit design. The series includes 24 variants optimized for different application requirements.
The 74FCT series currently includes 24 variants. Each variant may differ in package type, operating specifications, and feature set. Browse the product table above to compare available options.
Octatronics is an authorized distributor of Texas Instruments products including the 74FCT 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 74FCT series. Small-quantity orders are available for design evaluation, with volume pricing for production runs. Contact our sales team for custom pricing.