onsemi_MC74ACT138DTR2G
original

onsemi
MC74ACT138DTR2G

743-MC74ACT138DTR2G
PDF Datasheet
1-of-8 Demultiplexer/Decoder, 3-8 Line, CMOS, TSSOP
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Tech Specifications

Package/Case
TSSOP
Halogen Free
Halogen Free
High Level Output Current
24mA
Independent Circuits
1
Lead Free
Lead Free
Logic Function
Demultiplexer, Decoder
Low Level Output Current
24mA
Max Operating Temperature
85°C
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MC74ACT138DTR2G Description

MC74ACT138DTR2G Description

The MC74ACT138DTR2G from onsemi is a high-performance 1-of-8 decoder/demultiplexer IC designed for precision digital logic applications. Housed in a compact 16-pin TSSOP package, this device operates within a 4.5V to 5.5V supply range, making it ideal for 5V TTL-compatible systems. As part of the 74ACT series, it delivers 24mA output current (both high and low) with fast propagation delays, ensuring robust signal integrity in high-speed environments. The decoder features three binary select inputs (A0–A2) and three enable inputs (two active-low, one active-high) for flexible control. Its surface-mount design and REACH/RoHS3 compliance align with modern environmental and manufacturing standards.

MC74ACT138DTR2G Features

  • High-Speed Operation: Optimized for ACT logic with TTL-compatible inputs and CMOS-level output swing.
  • Versatile Control: Triple enable inputs (E1, E2, E3) allow cascading and system-level gating.
  • High Drive Capability: 24mA sink/source current supports heavy loads without external buffers.
  • Low Power Consumption: Balanced performance with minimal static power dissipation.
  • Robust Packaging: Tape & Reel (TR) delivery in moisture-resistant MSL1 packaging for automated assembly.
  • Wide Voltage Range: Operates reliably from 4.5V to 5.5V, accommodating voltage fluctuations.

MC74ACT138DTR2G Applications

  • Address Decoding: Efficiently selects memory blocks or peripherals in microcontroller/microprocessor systems.
  • Data Routing: Acts as a demultiplexer in communication interfaces or bus-sharing architectures.
  • Display Driving: Controls LED arrays or segmented displays in industrial HMI and automotive dashboards.
  • Logic Expansion: Extends GPIOs in FPGA/CPLD designs by decoding limited I/O pins.
  • Automation Systems: Used in PLC modules for signal distribution and control logic.

Conclusion of MC74ACT138DTR2G

The MC74ACT138DTR2G stands out for its speed, drive strength, and flexibility, making it a preferred choice for high-reliability digital systems. Its low-power ACT technology, combined with industrial-grade robustness, ensures compatibility with legacy TTL while meeting modern efficiency demands. Whether for embedded control, data routing, or display management, this decoder/demultiplexer delivers consistent performance in space-constrained, noise-sensitive applications.

FAQ

What operating temperature range does MC74ACT138DTR2G support?
MC74ACT138DTR2G has an operating temperature range of 85°C.
What is MC74ACT138DTR2G?
What package or case is MC74ACT138DTR2G available in?
Does MC74ACT138DTR2G have quantity-based pricing?
Are there related or alternative parts for MC74ACT138DTR2G?
Availability (In Stock : 105 )
Quantity Unit Price Ext. Price
1+ $0.80400 $0.80
10+ $0.78685 $7.87
30+ $0.77485 $23.25
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