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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 CD74FCT541ATM from Harris Corporation is a high-speed inverting buffer designed for 5V digital systems. Operating from 4.75V to 5.25V, this single-channel device features 3-State outputs that can sink up to 64mA, providing excellent drive strength for bus-oriented applications. The 20-SOIC package is suitable for space-constrained PCBs. Its fast propagation delay and robust output stage make it ideal for memory interfacing, industrial control, and general-purpose signal buffering where signal inversion is required.
- High Output Drive (64mA Sink): Ensures reliable signal transmission over long PCB traces and into high-capacitance loads.
- 3-State Outputs: Enables bus multiplexing and reduces power consumption when outputs are disabled.
- Wide Temperature Range (-40°C to 85°C): Suitable for industrial and automotive environments.
- TTL-Compatible Inputs: Simplifies interfacing with legacy 5V TTL logic families.
High-Speed Bus Interfacing
Use the CD74FCT541ATM to buffer address and data lines in microprocessor systems. The 3-State outputs allow multiple devices to share the same bus without contention, while the high 64mA sink current ensures signal integrity over long traces.
Signal Inversion and Level Restoration
Employ this buffer to invert logic signals while restoring voltage levels to full 5V rails. The FCT family's low propagation delay makes it ideal for timing-critical paths where signal polarity must be flipped.
Memory Subsystem Buffering
Drive SRAM or DRAM control lines with the CD74FCT541ATM. Its high output current can charge and discharge capacitive loads quickly, reducing access time penalties in memory interfaces.
Industrial Control Logic
In PLCs and industrial controllers, this buffer can interface between 5V logic and higher-power peripherals. The wide operating temperature range (-40°C to 85°C) ensures reliable operation in harsh environments.
Test Equipment and Instrumentation
Use it in function generators or data acquisition systems to buffer and invert trigger signals. The 3-State feature enables multiplexing multiple test points onto a single measurement channel.
Backplane Driver Applications
Drive signals across backplanes in telecom or networking equipment. The 64mA sink capability helps maintain clean logic levels even with high parasitic capacitance from multiple connectors.
- Q: What is the logic family of the CD74FCT541ATM?
- A: This device belongs to the FCT (Fast CMOS TTL) logic family, offering high-speed performance with TTL-compatible inputs and outputs.
- Q: What is the function of this IC?
- A: It is a single-channel buffer with inverting outputs, ideal for signal inversion and buffering in digital systems.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for connection to shared buses with high-impedance control.
- Q: What is the operating voltage range?
- A: The recommended supply voltage range is 4.75V to 5.25V, making it suitable for standard 5V logic systems.
- Q: What is the package type?
- A: It is available in a 20-SOIC (0.295", 7.50mm Width) surface-mount package.
- Q: What are the output current capabilities?
- A: It can source or sink 15mA and 64mA respectively, providing robust drive for various loads.
CD74FCT541ATM.pdf
- Q: What is the logic family of the CD74FCT541ATM?
- A: This device belongs to the FCT (Fast CMOS TTL) logic family, offering high-speed performance with TTL-compatible inputs and outputs.
- Q: What is the function of this IC?
- A: It is a single-channel buffer with inverting outputs, ideal for signal inversion and buffering in digital systems.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for connection to shared buses with high-impedance control.
- Q: What is the operating voltage range?
- A: The recommended supply voltage range is 4.75V to 5.25V, making it suitable for standard 5V logic systems.
- Q: What is the package type?
- A: It is available in a 20-SOIC (0.295", 7.50mm Width) surface-mount package.
- Q: What are the output current capabilities?
- A: It can source or sink 15mA and 64mA respectively, providing robust drive for various loads.