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| Product attributes | Property Value |
| Manufacturer | Fairchild Semiconductor |
| Product Series | 74VHC |
| Packaging | Bulk | |
| 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 | 8mA, 8mA |
| Voltage - Supply | 2V ~ 5.5V |
| 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 74VHC541M from Fairchild Semiconductor is a high-speed octal non-inverting buffer. Operating from 2V to 5.5V, it provides 8 channels with 3-State outputs, capable of sourcing and sinking 8mA. This makes it ideal for bus interfacing, memory addressing, and signal buffering in mixed-voltage systems. The 20-SOIC package is suitable for standard surface-mount assembly.
- Wide Supply Range (2V-5.5V): Compatible with both 3.3V and 5V logic systems.
- 3-State Outputs: Enables bus sharing and multiplexing.
- High-Speed CMOS: Low propagation delay for high-frequency applications.
- Low Power Consumption: Suitable for power-sensitive designs.
Bus Interfacing in Mixed-Voltage Systems
The 74VHC541M can buffer data buses between 3.3V and 5V components. Its wide voltage range (2V-5.5V) eliminates the need for level shifters in many applications, simplifying design.
Memory Address Buffering
In microprocessor systems, this buffer can drive address lines to multiple memory devices. The 3-State outputs allow bank selection without additional logic.
Signal Buffering for Microcontrollers
When a microcontroller needs to drive multiple peripherals, this buffer provides the necessary fan-out. The high-speed CMOS technology ensures minimal propagation delay.
Driving LED Displays
With 8mA source/sink capability, it can drive LED segments in multiplexed displays. The 3-State outputs enable dynamic scanning without external drivers.
Industrial Control Logic
In PLCs and industrial controllers, this buffer isolates logic sections and drives control lines. The -40°C to 85°C range ensures reliable operation in harsh environments.
Telecommunication Line Cards
For line card interfaces, this buffer provides clean signal distribution to multiple channels. The low power consumption reduces heat in dense boards.
- Q: What logic family does the 74VHC541M belong to?
- A: It is part of the 74VHC family, known for high-speed CMOS operation with low power consumption.
- Q: What is the function of this IC?
- A: It is a non-inverting buffer with 1 channel (octal), designed for bus interfacing and signal buffering.
- Q: What is the output type?
- A: It features 3-State outputs, allowing for bus isolation and multiplexing.
- Q: What is the operating voltage range?
- A: It operates from 2V to 5.5V, compatible with both 3.3V and 5V systems.
- Q: What is the output current capability?
- A: It can source and sink 8mA, suitable for driving standard logic loads.
- Q: What package is available?
- A: It comes in a 20-SOIC package, widely used in surface-mount designs.
74VHC541M.pdf
- Q: What logic family does the 74VHC541M belong to?
- A: It is part of the 74VHC family, known for high-speed CMOS operation with low power consumption.
- Q: What is the function of this IC?
- A: It is a non-inverting buffer with 1 channel (octal), designed for bus interfacing and signal buffering.
- Q: What is the output type?
- A: It features 3-State outputs, allowing for bus isolation and multiplexing.
- Q: What is the operating voltage range?
- A: It operates from 2V to 5.5V, compatible with both 3.3V and 5V systems.
- Q: What is the output current capability?
- A: It can source and sink 8mA, suitable for driving standard logic loads.
- Q: What package is available?
- A: It comes in a 20-SOIC package, widely used in surface-mount designs.