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| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | 54F |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 2 |
| Number of Bits per Element | 4 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 12mA, 48mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -55°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-CLCC |
| Supplier Device Package | 20-LCCC (8.89x8.89) |
The 54F241LMQB from National Semiconductor is a dual-channel non-inverting buffer from the 54F logic family. It operates from a 4.5V to 5.5V supply and features 3-state outputs that can source 12mA and sink 48mA. Designed for military and aerospace applications, it operates over the full -55°C to 125°C temperature range. The 20-pin CLCC package provides a hermetic seal and excellent thermal performance for extreme environments.
- Extended Temperature Range (-55°C to 125°C): Suitable for military, aerospace, and extreme industrial environments.
- Hermetic CLCC Package: Provides superior protection against moisture, contaminants, and mechanical stress.
- High Sink Current (48mA): Drives heavy loads and long transmission lines with ease.
- 3-State Outputs: Enables bus sharing in complex systems, improving design flexibility.
Military Avionics Data Buses
Buffer data lines in military avionics systems. The 54F family's high-speed performance and the device's wide temperature range (-55°C to 125°C) ensure reliable operation in extreme flight conditions.
Spacecraft Telemetry Systems
Interface telemetry sensors with onboard computers. The hermetic CLCC package provides protection against vacuum and radiation, while the 3-state outputs allow for efficient bus sharing.
High-Reliability Industrial Controls
Implement control logic in high-reliability industrial applications such as power plants or oil rigs. The extended temperature range and ceramic package ensure long-term reliability in harsh environments.
Defense Communication Equipment
Buffer signals in military communication systems. The high sink current (48mA) enables driving long cable runs and multiple loads without signal degradation.
Automotive (Military-Grade) Electronics
Use in military-grade automotive or vehicle electronics. The robust construction and wide temperature range make it suitable for engine control units and other under-hood applications.
- Q: What is the logic family of the 54F241LMQB?
- A: It belongs to the 54F (Fast) logic family.
- Q: What is the function of this IC?
- A: It is a dual-channel non-inverting buffer with 3-state outputs.
- Q: How many channels does it have?
- A: It has 2 channels.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus isolation.
- Q: What is the operating voltage range?
- A: The recommended supply voltage is 4.5V to 5.5V.
- Q: What package is available?
- A: It comes in a 20-pin CLCC (ceramic leadless chip carrier) package.
54F241LMQB.pdf
- Q: What is the logic family of the 54F241LMQB?
- A: It belongs to the 54F (Fast) logic family.
- Q: What is the function of this IC?
- A: It is a dual-channel non-inverting buffer with 3-state outputs.
- Q: How many channels does it have?
- A: It has 2 channels.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus isolation.
- Q: What is the operating voltage range?
- A: The recommended supply voltage is 4.5V to 5.5V.
- Q: What package is available?
- A: It comes in a 20-pin CLCC (ceramic leadless chip carrier) package.