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| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | 54LS |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Buffer, Inverting |
| Number of Elements | 2 |
| Number of Bits per Element | 2, 4 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 1mA, 12mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -55°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 16-CFlatpack |
| Supplier Device Package | 16-CFlatPack |
The DM54LS368AW/883 from National Semiconductor is a dual inverting buffer designed for high-reliability applications. Operating from 4.5V to 5.5V, it features two channels with 3-State outputs, each capable of driving up to 12mA. Built with low-power Schottky technology, it is specified for the full military temperature range of -55°C to 125°C. Housed in a 16-CFlatpack package, it is ideal for aerospace, defense, and industrial systems requiring robust performance.
- Military Temperature Range (-55°C to 125°C): Guarantees operation in extreme environments, ideal for defense and aerospace.
- Low-Power Schottky Technology: Reduces power consumption while maintaining high speed, improving system efficiency.
- 3-State Outputs: Provides bus isolation and multiplexing capability, essential for shared data lines.
- Dual Channels: Saves board space by integrating two buffers in one package.
Military and Aerospace Data Buses
The DM54LS368AW/883 is designed for extreme environments. Use it in military avionics or satellite systems to buffer and invert data lines on a MIL-STD-1553 bus, ensuring reliable operation from -55°C to 125°C.
High-Reliability Industrial Controls
In industrial process controllers that must operate in harsh conditions, this buffer can condition and invert sensor signals. The 3-State output allows multiple sensors to share a single ADC input without interference.
Redundant System Logic
For redundant control systems, this buffer can isolate the primary and backup logic circuits. The 3-State control enables seamless switching between systems without bus contention.
Signal Inversion in Harsh Environments
When a logic signal needs to be inverted in a high-vibration or temperature-fluctuating environment, this buffer provides a robust solution. Its low-power Schottky design minimizes heat generation.
Legacy System Interfacing
For maintaining or upgrading legacy military equipment, this buffer can interface older 5V logic with newer components, providing the necessary inversion and buffering while withstanding harsh conditions.
Test Equipment for Extreme Conditions
Use this buffer in test equipment designed to validate components under extreme temperatures. Its wide operating range ensures accurate signal conditioning during environmental testing.
- Q: What logic family does the DM54LS368AW/883 belong to?
- A: It is part of the 54LS logic family, known for low-power Schottky technology.
- Q: What is the function of this device?
- A: It is a Buffer with Inverting output, providing signal inversion and buffering.
- Q: How many channels are available?
- A: It has 2 channels, allowing it to buffer two independent signals.
- Q: What is the output type?
- A: The output is 3-State, enabling connection to shared buses with high-impedance control.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, compatible with standard 5V logic systems.
- Q: What is the temperature range?
- A: It is rated for -55°C to 125°C, suitable for military and aerospace applications.
DM54LS368AW/883.pdf
- Q: What logic family does the DM54LS368AW/883 belong to?
- A: It is part of the 54LS logic family, known for low-power Schottky technology.
- Q: What is the function of this device?
- A: It is a Buffer with Inverting output, providing signal inversion and buffering.
- Q: How many channels are available?
- A: It has 2 channels, allowing it to buffer two independent signals.
- Q: What is the output type?
- A: The output is 3-State, enabling connection to shared buses with high-impedance control.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, compatible with standard 5V logic systems.
- Q: What is the temperature range?
- A: It is rated for -55°C to 125°C, suitable for military and aerospace applications.