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| Product attributes | Property Value |
| Manufacturer | Harris Corporation |
| 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 | - |
| Package / Case | - |
| Supplier Device Package | - |
The CD74HC541SM is a high-speed silicon-gate CMOS buffer from Harris Corporation. This non-inverting buffer features 3-State outputs and operates over a wide 2V to 6V supply range. It provides 7.8mA output current at both sink and source, making it suitable for driving bus lines or capacitive loads. The device is ideal for memory address driving, signal buffering, and general-purpose logic interfacing in industrial and consumer electronics.
- Wide 2V to 6V Supply Range: Compatible with 3.3V and 5V systems, simplifying mixed-voltage design.
- 3-State Outputs: Allows bus sharing and prevents bus contention in multiplexed applications.
- High Temperature Range (-55°C to 125°C): Suitable for automotive and harsh industrial environments.
- Non-Inverting Buffer: Preserves signal polarity, reducing design complexity.
Bus Line Driving
Use the CD74HC541SM to drive high-capacitance bus lines in digital systems. Its 3-State outputs allow multiple devices to share the same bus without contention.
Memory Address Buffering
Buffer address lines from a microcontroller to SRAM or Flash memory. The non-inverting function preserves address integrity, and the wide voltage range supports 3.3V or 5V memory interfaces.
Signal Isolation
Isolate different sections of a circuit to prevent loading effects. The high-impedance 3-State mode can disconnect the buffer output, protecting sensitive logic from external noise.
Level Shifting (5V to 3.3V)
With a 5V supply, the 74HC541 can accept 5V inputs and drive 3.3V logic if pull-up resistors are used, enabling mixed-voltage system design.
Industrial Sensor Interfacing
Interface sensors with open-collector outputs to a logic controller. The buffer provides a clean, strong signal to the PLC or MCU input, improving noise immunity.
Clock Distribution
Distribute a clock signal to multiple loads. The buffer's low output impedance and high drive current (7.8mA) ensure minimal skew and signal degradation.
- Q: What is the logic family of the CD74HC541SM?
- A: It belongs to the 74HC family, operating from 2V to 6V.
- 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.
- Q: What is the output type?
- A: 3-State output, allowing connection to shared buses.
- Q: What is the voltage range?
- A: 2V to 6V, compatible with TTL and CMOS logic levels.
- Q: What is the operating temperature range?
- A: -55°C to 125°C (TA).
CD74HC541SM.pdf
- Q: What is the logic family of the CD74HC541SM?
- A: It belongs to the 74HC family, operating from 2V to 6V.
- 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.
- Q: What is the output type?
- A: 3-State output, allowing connection to shared buses.
- Q: What is the voltage range?
- A: 2V to 6V, compatible with TTL and CMOS logic levels.
- Q: What is the operating temperature range?
- A: -55°C to 125°C (TA).