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| Product attributes | Property Value |
| Manufacturer | Harris Corporation |
| Product Series | |
| 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 | 15mA, 64mA |
| Voltage - Supply | 4.75V ~ 5.25V |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-SSOP (0.209", 5.30mm Width) |
| Supplier Device Package | 20-SSOP (0.209", 5.30mm Width) |
The CD74FCT541SM is a single non-inverting buffer from Harris Corporation, part of the 74FCT logic family. It operates from 4.75V to 5.25V, providing high-speed signal buffering with 3-State outputs. With a sink current of 64mA and source current of 15mA, it can drive standard TTL loads. The 20-SSOP package is compact for space-constrained designs. Typical applications include 5V signal buffering, memory address buffering, and industrial control systems.
- High Sink Current (64mA): Drives capacitive loads and long traces effectively.
- 3-State Outputs: Enables bus sharing and prevents signal contention.
- Non-Inverting Function: Preserves signal polarity, simplifying design.
- Compact SSOP Package: Saves board space in dense designs.
5V Signal Buffering
Use the CD74FCT541SM to buffer address or data lines in 5V systems. The non-inverting function preserves signal polarity, and the 64mA sink current ensures strong drive capability for capacitive loads.
Memory Address Buffers
In memory systems, this buffer isolates the address lines from the memory array. The 3-State outputs allow the address bus to be shared between multiple memory banks.
Industrial Control Signal Conditioning
For industrial controllers, this IC buffers sensor signals and control outputs. The 0°C to 70°C temperature range covers most commercial and light industrial environments.
Peripheral Interface Buffers
In computer peripherals, the CD74FCT541SM buffers the data bus between the controller and external connectors. The high drive current ensures reliable communication over cable lengths.
Test Equipment Signal Distribution
In benchtop instruments, this buffer distributes test signals to multiple measurement points. The 3-State outputs allow individual channels to be disabled when not in use.
Legacy TTL System Upgrades
When upgrading older TTL systems, this buffer provides a drop-in replacement with improved speed and drive capability while maintaining 5V compatibility.
- Q: What logic family does the CD74FCT541SM belong to?
- A: It belongs to the 74FCT (Fast CMOS TTL) logic family, offering high speed with CMOS power efficiency.
- Q: What is the function of this IC?
- A: It is a single non-inverting buffer, providing signal buffering without inversion.
- Q: How many channels does it have?
- A: It has 1 channel, providing an 8-bit buffer function.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus-oriented applications.
- Q: What is the operating voltage range?
- A: It operates from 4.75V to 5.25V, standard for 5V TTL systems.
- Q: What package is available?
- A: It comes in a 20-SSOP package with a 5.30mm width.
CD74FCT541SM.pdf
- Q: What logic family does the CD74FCT541SM belong to?
- A: It belongs to the 74FCT (Fast CMOS TTL) logic family, offering high speed with CMOS power efficiency.
- Q: What is the function of this IC?
- A: It is a single non-inverting buffer, providing signal buffering without inversion.
- Q: How many channels does it have?
- A: It has 1 channel, providing an 8-bit buffer function.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus-oriented applications.
- Q: What is the operating voltage range?
- A: It operates from 4.75V to 5.25V, standard for 5V TTL systems.
- Q: What package is available?
- A: It comes in a 20-SSOP package with a 5.30mm width.