onsemi MC74AC541DWR2G
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.77 | $1.77 |
| 15+ | $1.71 | $25.65 |
| 25+ | $1.67 | $41.75 |
| 50+ | $1.58 | $79.00 |
| 100+ | $1.40 | $140.00 |
| N+ | $0.28 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | onsemi |
| Product Series | 74AC |
| Packaging | Factory | Cut Tape (CT) |
| Part Status | Active |
| 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 | 2V ~ 6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 20-SOIC |
| ROHS |  |
The MC74AC541DWR2G from onsemi is a high-performance octal buffer with non-inverting outputs and 3-State capability. Operating from 2V to 6V, it provides 24mA of output current per channel, making it ideal for bus-oriented systems, memory address driving, and general-purpose signal buffering. The 74AC logic family delivers high speed while maintaining CMOS low power consumption. Available in a 20-SOIC package, this buffer is suitable for industrial controls, automotive electronics, and communication interfaces where signal integrity and fan-out are critical.
- Wide 2V to 6V Supply Range: Compatible with both 3.3V and 5V logic systems, simplifying mixed-voltage designs.
- High 24mA Output Drive: Can directly drive LEDs, relays, or multiple logic inputs without additional buffer stages.
- 3-State Outputs: Enables bus sharing and multiplexing, preventing data corruption in multi-master systems.
- High-Speed 74AC Family: Low propagation delay ensures reliable operation in high-frequency applications up to 100MHz+.
Bus Interfacing for Microcontrollers
The 3-State outputs allow the MC74AC541 to isolate the microcontroller from a shared data bus. When the output enable is high, the outputs go to high-impedance, preventing bus contention and protecting the MCU.
Signal Buffering for High-Capacitance Traces
With 24mA drive capability, this buffer can drive long PCB traces or multiple loads without signal degradation. The 74AC family's high speed ensures minimal propagation delay in high-frequency designs.
Level Shifting Between 3.3V and 5V Logic
Operating from 2V to 6V, the device can be powered at 3.3V to accept 3.3V inputs and drive 5V-tolerant loads, or powered at 5V to buffer 5V signals to 3.3V inputs with proper termination.
Driving LED Arrays in Industrial Displays
Each output can sink 24mA, enough to directly drive LEDs with current-limiting resistors. The 3-State feature allows multiplexing of LED segments in large displays.
Memory Address Buffering
In systems with multiple memory banks, the MC74AC541 buffers address lines, providing the fan-out needed to drive multiple memory chips while maintaining signal integrity.
Automotive ECU Signal Conditioning
With a -40°C to 85°C temperature range, it suits automotive engine control units for buffering sensor signals and actuator control lines, ensuring reliable operation in harsh environments.
- Q: What logic family does the MC74AC541DWR2G belong to?
- A: It belongs to the 74AC (Advanced CMOS) logic family, offering high speed with low power consumption.
- Q: What is the function of this IC?
- A: It is a non-inverting buffer with 8 channels (1 octal buffer) and 3-State outputs for bus-oriented applications.
- Q: What is the output type?
- A: The outputs are 3-State, allowing connection to shared data buses with high-impedance disconnection.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, making it compatible with 3.3V and 5V systems.
- Q: What is the output current capability?
- A: It can source or sink 24mA per output, suitable for driving LEDs or low-impedance loads.
- Q: What package is available?
- A: It comes in a 20-SOIC (0.295", 7.50mm Width) surface-mount package.
MC74AC541DWR2G.pdf
- Q: What logic family does the MC74AC541DWR2G belong to?
- A: It belongs to the 74AC (Advanced CMOS) logic family, offering high speed with low power consumption.
- Q: What is the function of this IC?
- A: It is a non-inverting buffer with 8 channels (1 octal buffer) and 3-State outputs for bus-oriented applications.
- Q: What is the output type?
- A: The outputs are 3-State, allowing connection to shared data buses with high-impedance disconnection.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, making it compatible with 3.3V and 5V systems.
- Q: What is the output current capability?
- A: It can source or sink 24mA per output, suitable for driving LEDs or low-impedance loads.
- Q: What package is available?
- A: It comes in a 20-SOIC (0.295", 7.50mm Width) surface-mount package.
