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| Product attributes | Property Value |
| Manufacturer | Harris Corporation |
| Product Series | |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Buffer, 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 | -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 (0.295", 7.50mm Width) |
The CD74FCT541TM is a fast CMOS inverting buffer from Harris Corporation, designed for 5V TTL-compatible systems. Operating from 4.75V to 5.25V, it provides 3-state outputs with a high 64mA sink and 15mA source capability. This buffer is ideal for bus driving, signal inversion, and high-current load driving in industrial and computing applications. Its wide-body SOIC-20 package is suitable for surface-mount designs.
- High 64mA Sink Current: Can drive high-current loads like LEDs and relays directly.
- TTL-Compatible Inputs/Outputs: Seamlessly interfaces with 5V TTL logic.
- 3-State Outputs: Enables bus sharing and prevents data contention.
- Fast CMOS Technology: Provides high-speed operation with low power consumption.
5V TTL Bus Buffering
The CD74FCT541TM is designed for 5V TTL systems, providing inverting buffering for data and address buses. Its 3-state outputs enable multiple devices to share the bus safely.
High-Current Sink for LED Driving
With a 64mA sink capability, this buffer can directly drive high-current LEDs or other loads, eliminating the need for external transistor drivers.
Memory Address Inversion
Use it to invert and buffer address lines in 5V memory systems, ensuring clean, synchronized signals for reliable operation.
Industrial Control Signal Conditioning
In industrial environments, this buffer provides robust signal inversion and drive for long cable runs, improving noise immunity.
Microprocessor Interface Buffering
It buffers control and data signals between a 5V microprocessor and peripherals, providing high drive current and TTL compatibility.
Backplane Driving
The high sink current and fast switching make it suitable for driving backplane buses in telecommunications and computing equipment.
- Q: What is the logic family of the CD74FCT541TM?
- A: It belongs to the 74FCT (Fast CMOS TTL-compatible) family, offering high speed and TTL compatibility.
- Q: What is the function of this IC?
- A: It is an inverting buffer with 3-state outputs, used for signal inversion and bus driving.
- Q: How many channels does it have?
- A: The technical data specifies 1 channel, though typical 74FCT541 devices are octal buffers; verify your specific configuration.
- Q: What is the output type?
- A: The outputs are 3-State, allowing multiple devices to share a common bus.
- Q: What is the operating voltage range?
- A: It operates from 4.75V to 5.25V, making it compatible with standard 5V TTL logic.
- Q: What is the package type?
- A: It comes in a 20-SOIC (0.295", 7.50mm Width) wide-body surface-mount package.
CD74FCT541TM.pdf
- Q: What is the logic family of the CD74FCT541TM?
- A: It belongs to the 74FCT (Fast CMOS TTL-compatible) family, offering high speed and TTL compatibility.
- Q: What is the function of this IC?
- A: It is an inverting buffer with 3-state outputs, used for signal inversion and bus driving.
- Q: How many channels does it have?
- A: The technical data specifies 1 channel, though typical 74FCT541 devices are octal buffers; verify your specific configuration.
- Q: What is the output type?
- A: The outputs are 3-State, allowing multiple devices to share a common bus.
- Q: What is the operating voltage range?
- A: It operates from 4.75V to 5.25V, making it compatible with standard 5V TTL logic.
- Q: What is the package type?
- A: It comes in a 20-SOIC (0.295", 7.50mm Width) wide-body surface-mount package.