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| Product attributes | Property Value |
| Manufacturer | Motorola |
| Product Series | 74ACT |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Buffer, Inverting |
| Number of Elements | 2 |
| Number of Bits per Element | 4 |
| 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 | 20-SOIC (0.209", 5.30mm Width) |
| Supplier Device Package | 20-SOIC |
| ROHS |  |
The MC74ACT240M is a dual inverting buffer from the 74ACT logic family, designed for high-speed 5V systems. It features two channels with 3-State outputs, capable of sourcing and sinking 24mA. Operating from 4.5V to 5.5V, this buffer is ideal for bus interfacing, signal inversion, and driving capacitive loads in industrial and computing applications. The 20-SOIC package offers a compact solution for space-constrained PCBs.
- High Output Current (24mA): Drives heavy loads and long traces without signal degradation.
- 3-State Outputs: Enables bus multiplexing and reduces power consumption when idle.
- Wide Temperature Range (-40°C to 85°C): Reliable in industrial and automotive environments.
- 74ACT Family Speed: Fast propagation delays for high-frequency 5V logic designs.
5V Bus Interfacing
Use the MC74ACT240M to buffer and invert address or data lines in 5V microprocessor systems. The 3-State outputs allow multiple devices to share the bus without contention.
Memory Address Driving
Drive high-capacitance memory address lines with the 24mA output current, ensuring fast edge rates and reliable operation in SRAM or DRAM subsystems.
Signal Inversion and Isolation
Invert control signals while providing electrical isolation between logic stages. The 3-State feature enables disconnecting the buffer from the bus when not needed.
Industrial Control Logic
Interface between 5V PLC I/O modules and internal logic. The wide operating temperature range (-40°C to 85°C) suits harsh industrial environments.
Peripheral Driver
Drive LEDs, relays, or small loads directly with the 24mA sink/source capability, reducing the need for external driver transistors.
Test Equipment Switching
Implement signal routing in automated test equipment. The 3-State outputs allow multiplexing multiple test signals onto a common measurement bus.
- Q: What is the logic family of the MC74ACT240M?
- A: The MC74ACT240M belongs to the 74ACT logic family, operating at 4.5V to 5.5V.
- Q: What is the function of this IC?
- A: It is an inverting buffer with 2 channels, featuring 3-State outputs.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for high-impedance states in bus applications.
- Q: What is the supply voltage range?
- A: The supply voltage range is 4.5V to 5.5V, making it suitable for 5V systems.
- Q: What is the output current capability?
- A: It can source and sink 24mA of current per channel.
- Q: What package is available?
- A: It comes in a 20-SOIC (0.209", 5.30mm Width) package.
MC74ACT240M.pdf
- Q: What is the logic family of the MC74ACT240M?
- A: The MC74ACT240M belongs to the 74ACT logic family, operating at 4.5V to 5.5V.
- Q: What is the function of this IC?
- A: It is an inverting buffer with 2 channels, featuring 3-State outputs.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for high-impedance states in bus applications.
- Q: What is the supply voltage range?
- A: The supply voltage range is 4.5V to 5.5V, making it suitable for 5V systems.
- Q: What is the output current capability?
- A: It can source and sink 24mA of current per channel.
- Q: What package is available?
- A: It comes in a 20-SOIC (0.209", 5.30mm Width) package.