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| Product attributes | Property Value |
| Manufacturer | onsemi |
| Product Series | 74HC |
| 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 | 7.8mA, 7.8mA |
| Voltage - Supply | 2V ~ 6V |
| Operating Temperature | -55°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 20-TSSOP |
The MC74HC541A is a non-inverting octal buffer from the 74HC logic family. It features 3-state outputs with a drive capability of 7.8mA, operating from 2V to 6V. This buffer is designed for bus-oriented applications, providing high-speed signal buffering with low power consumption. Its wide temperature range (-55°C to 125°C) makes it suitable for industrial and automotive environments.
- Wide 2V to 6V Supply Range: Compatible with TTL and CMOS logic levels, simplifying mixed-voltage designs.
- 3-State Outputs: Enable bus sharing and prevent bus contention in multi-device systems.
- Extended Temperature Range (-55°C to 125°C): Suitable for harsh industrial and automotive environments.
- High Drive Current (7.8mA): Ensures reliable signal integrity over longer PCB traces.
Bus Line Driving in Microprocessor Systems
The 3-state outputs allow the MC74HC541A to drive shared data buses. When the output enable is inactive, the outputs go high-impedance, preventing bus contention in multi-processor systems.
Memory Address Buffering
Buffer address lines between a CPU and SRAM/DRAM. The high drive current (7.8mA) ensures fast charging of capacitive loads on long PCB traces, improving memory access times.
Industrial Control Signal Isolation
Use it to buffer control signals from PLCs or industrial controllers. The wide 2V-6V supply range allows interfacing with both 3.3V and 5V logic, simplifying system integration.
Automotive ECU Signal Conditioning
With an operating temperature range of -55°C to 125°C, it is suitable for automotive ECUs. Buffer sensor signals and actuator commands in harsh environments.
Level Shifting for Mixed-Voltage Boards
When powered at 5V, it can accept 3.3V inputs (TTL-compatible) and output 5V logic levels, enabling communication between 3.3V and 5V subsystems.
Peripheral Interface Buffering
Buffer parallel data between a microcontroller and peripherals like LCDs or ADCs. The 3-state outputs allow multiple peripherals to share the same data bus.
- Q: What is the logic family of the MC74HC541ADTEL?
- A: It belongs to the 74HC (High-Speed CMOS) logic family.
- Q: What is the function of this IC?
- A: It is a non-inverting buffer with 3-state outputs.
- Q: How many channels does it have?
- A: It has 1 channel (octal buffer with 8 bits, but listed as 1 channel in the data).
- Q: What type of output does it feature?
- A: It features 3-state outputs, allowing for bus-oriented applications.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, compatible with TTL and CMOS logic levels.
- Q: What package is available?
- A: It is available in a 20-TSSOP package (0.173", 4.40mm width).
MC74HC541ADTEL.pdf
- Q: What is the logic family of the MC74HC541ADTEL?
- A: It belongs to the 74HC (High-Speed CMOS) logic family.
- Q: What is the function of this IC?
- A: It is a non-inverting buffer with 3-state outputs.
- Q: How many channels does it have?
- A: It has 1 channel (octal buffer with 8 bits, but listed as 1 channel in the data).
- Q: What type of output does it feature?
- A: It features 3-state outputs, allowing for bus-oriented applications.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, compatible with TTL and CMOS logic levels.
- Q: What package is available?
- A: It is available in a 20-TSSOP package (0.173", 4.40mm width).