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MC74ACT541DWG
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Product Detailed Parameters
- Description：IC BUFF NON-INVERT 5.5V 20SOIC
- Series：74ACT
- Mfr：onsemi
- Package：Tube
- Logic Type：Buffer, Non-Inverting
- Number of Elements：1
- Number of Bits per Element：8
- 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)
- Mounting Type：Surface Mount
- Package / Case：20-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：20-SOIC
- Grade：-
- Qualification：-
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Overview
The MC74ACT541DWG is an octal buffer and line driver manufactured by onsemi, belonging to the 74ACT logic series. It features eight non-inverting channels with three-state outputs housed in a 20-pin SOIC package. The device operates within a supply voltage range of 4.5 V to 5.5 V. Key electrical parameters include a propagation delay of 7.5 ns at 5 V, static current of 8 uA, and output drive capability of 24 mA for both sourcing and sinking. It supports industrial operating temperatures from -40°C to +85°C.
Feature Summary
- Provides flow-through architecture with inputs and outputs located on opposite sides of the package to facilitate microprocessor interface and PCB layout density.
- Features TTL-compatible inputs allowing direct interfacing with TTL logic circuits while maintaining CMOS performance characteristics.
- Offers three-state outputs that isolate the bus when the output enable signal is inactive, preventing signal interference.
Applications
- Memory and address drivers
- Clock drivers
- Bus-oriented transmitter/receivers
Procurement Notes
Verify the specific suffix 'DWG' confirms the SOIC-20 package and lead-free (Pb-Free) status as per onsemi documentation. Confirm RoHS compliance and Moisture Sensitivity Level (MSL 3) requirements for your assembly process. Ensure the 4.5V to 5.5V supply voltage aligns with your system design before procurement.
Selection Notes
Select this component when a non-inverting octal buffer with high drive current is required. The ACT series offers faster switching speeds compared to standard AC series devices. The through-package pinout is critical for designs requiring direct connection to microprocessor ports without complex routing. Verify input compatibility with existing TTL logic levels in the system.
Part Context
This part is part of the MC74AC(T)540/541 family of octal buffers. It serves as the non-inverting counterpart to the MC74ACT540. The device shares functional similarities with the MC74AC240/244 series but utilizes a distinct pinout arrangement optimized for specific board layout constraints and microprocessor integration scenarios.
Replacement Considerations
MC74ACT540DWG (Inverting version)
FAQ
Is the MC74ACT541DWG inverting or non-inverting?
It is a non-inverting buffer, meaning the output logic state matches the input state.
What is the maximum output current capability?
The outputs can source and sink up to 24 mA.
