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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 54F |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Buffer, 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 | Through Hole |
| Package / Case | 20-CDIP (0.300", 7.62mm) |
| Supplier Device Package | 20-CDIP |
The SNJ54F240J is a high-speed dual inverting buffer from Texas Instruments, part of the 54F logic family. It features 3-State outputs and operates from 4.5V to 5.5V. With 12mA source and 48mA sink current capability, it provides robust signal drive. Housed in a 20-CDIP ceramic package, it operates from -55°C to 125°C, making it ideal for military, aerospace, and industrial applications requiring high reliability.
- Military-Grade Temperature Range: -55°C to 125°C operation ensures reliability in extreme environments.
- High Sink Current (48mA): Drives heavy loads and long cables, improving signal integrity.
- 3-State Outputs: Enables bus sharing and redundant system designs.
- Ceramic CDIP Package: Provides superior thermal dissipation and mechanical strength for harsh conditions.
- Proven 54F Logic Family: High-speed bipolar technology with a long track record in defense applications.
Military Avionics Bus Buffering
In avionics systems, the SNJ54F240J buffers data buses between flight control computers and sensors. Its -55°C to 125°C temperature range ensures reliable operation in extreme conditions.
Space-Grade Signal Conditioning
For satellite communication systems, this buffer provides robust signal conditioning for telemetry and command links. The ceramic CDIP package offers superior thermal and mechanical stability.
Industrial Motor Control
In high-temperature industrial environments, this inverting buffer drives control signals to motor drivers. The 48mA sink current handles long cable runs with minimal signal degradation.
Redundant System Interfaces
Use the 3-State outputs to implement redundant bus architectures in safety-critical systems. The high-impedance state allows seamless switching between active and standby modules.
Legacy 5V TTL Systems
For maintaining older 5V TTL-based equipment, this 54F buffer provides a drop-in replacement with improved speed and drive capability, extending system life.
Test and Measurement in Harsh Environments
In field-deployed test equipment, this buffer isolates sensitive measurement circuits from noisy external buses, ensuring accurate data acquisition.
- Q: What is the logic family of the SNJ54F240J?
- A: It belongs to the 54F logic family, a high-speed bipolar family designed for military and aerospace applications.
- Q: What is the function of this IC?
- A: It is a dual-channel inverting buffer with 3-State outputs, used for signal buffering and bus driving.
- Q: What is the output type?
- A: It features 3-State outputs, allowing connection to a shared bus with high-impedance state 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 package type?
- A: It comes in a 20-CDIP (0.300", 7.62mm) ceramic dual-in-line package, suitable for harsh environments.
- Q: What is the output current capability?
- A: It can sink 48mA and source 12mA, providing strong drive for bus lines.
SNJ54F240J.pdf
- Q: What is the logic family of the SNJ54F240J?
- A: It belongs to the 54F logic family, a high-speed bipolar family designed for military and aerospace applications.
- Q: What is the function of this IC?
- A: It is a dual-channel inverting buffer with 3-State outputs, used for signal buffering and bus driving.
- Q: What is the output type?
- A: It features 3-State outputs, allowing connection to a shared bus with high-impedance state 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 package type?
- A: It comes in a 20-CDIP (0.300", 7.62mm) ceramic dual-in-line package, suitable for harsh environments.
- Q: What is the output current capability?
- A: It can sink 48mA and source 12mA, providing strong drive for bus lines.