onsemi MC74ACT125DTR2G

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Product attributes Property Value
Manufacturer onsemi
Product Series 74ACT
Packaging Cut Tape (CT) | Tape & Reel (TR)
Part Status Active
Logic Type Buffer, Non-Inverting
Number of Elements 4
Number of Bits per Element 1
Input Type -
Output Type 3-State
Current - Output High, Low 24mA, 24mA
Voltage - Supply 4.5V ~ 5.5V
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 14-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 14-TSSOP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The MC74ACT125DTR2G from onsemi is a quad non-inverting buffer from the 74ACT logic family. It features four independent channels with 3-State outputs, providing excellent drive capability of 24mA per channel. Designed for 5V operation (4.5V to 5.5V), it is compatible with TTL logic levels and ideal for high-speed bus buffering and signal driving. The 14-TSSOP package offers a compact solution for space-constrained PCBs. This buffer is well-suited for memory interfaces, industrial controls, and general-purpose 5V logic systems where signal integrity and isolation are critical.

  • High Output Drive (24mA): Can drive heavy capacitive loads, ensuring reliable signal transmission in complex bus architectures.
  • 3-State Outputs: Enables bus sharing and isolation, preventing data corruption in multi-master systems.
  • TTL-Compatible Inputs: Simplifies interfacing with legacy 5V TTL logic, reducing design complexity.
  • Wide Temperature Range (-40°C to 85°C): Suitable for industrial environments with varying thermal conditions.
  • Compact TSSOP Package: Saves board space while providing excellent thermal and electrical performance.

5V Bus Buffering

In legacy 5V digital systems, the MC74ACT125DTR2G provides robust buffering for address, data, and control lines, ensuring signal integrity over longer traces and multiple loads.

Memory Address Driving

Its 24mA output current capability makes it ideal for driving the high capacitive loads of memory address buses in SRAM or Flash interfaces.

Peripheral Interface Isolation

The 3-State outputs allow peripherals to be disconnected from the bus when not in use, preventing data collisions in multi-device systems.

Industrial Control Logic

With a wide temperature range of -40°C to 85°C, it is suitable for industrial PLCs and control systems that require reliable 5V logic buffering.

Clock Signal Distribution

It can buffer and distribute clock signals to multiple destinations, providing the necessary drive strength and isolation to maintain signal quality.

Test Equipment Interfaces

In automated test equipment, it can be used to switch and buffer test signals, enabling flexible routing and isolation of measurement points.

Q: What is the logic family of the MC74ACT125DTR2G?
A: It belongs to the 74ACT logic family, which is known for high-speed operation and TTL-compatible inputs.
Q: What is the function of this IC?
A: It is a quad (4-channel) non-inverting buffer with 3-State outputs, used for signal buffering and driving.
Q: How many channels does it have?
A: It has 4 independent channels, each with its own 3-State output enable control.
Q: What is the output type?
A: The outputs are 3-State, allowing them to be disabled (high-impedance) for bus sharing.
Q: What is the operating voltage range?
A: It operates from 4.5V to 5.5V, making it suitable for standard 5V TTL systems.
Q: What package is available?
A: It is available in a 14-TSSOP package, which is a small surface-mount package for space-saving designs.
Base Product Number : MC74ACT125
3-State 4.5V-5.5V 5V Logic 74ACT Buffer Bus Driver Logic IC onsemi Quad Buffer TSSOP
Q: What is the logic family of the MC74ACT125DTR2G?
A: It belongs to the 74ACT logic family, which is known for high-speed operation and TTL-compatible inputs.
Q: What is the function of this IC?
A: It is a quad (4-channel) non-inverting buffer with 3-State outputs, used for signal buffering and driving.
Q: How many channels does it have?
A: It has 4 independent channels, each with its own 3-State output enable control.
Q: What is the output type?
A: The outputs are 3-State, allowing them to be disabled (high-impedance) for bus sharing.
Q: What is the operating voltage range?
A: It operates from 4.5V to 5.5V, making it suitable for standard 5V TTL systems.
Q: What package is available?
A: It is available in a 14-TSSOP package, which is a small surface-mount package for space-saving designs.