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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 54S |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 2 |
| Number of Bits per Element | 4 |
| Input Type | Schmitt Trigger |
| 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 SN54S244J is a high-speed dual non-inverting buffer from Texas Instruments, part of the 54S logic family. It features 3-State outputs and operates from 4.5V to 5.5V. With 12mA source and 48mA sink current, 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.
- Schottky-Clamped High Speed: Provides faster switching than standard TTL, improving system performance.
- Military Temperature Range: -55°C to 125°C for extreme environments.
- High Sink Current (48mA): Drives heavy loads and long cables.
- 3-State Outputs: Enables bus sharing in complex systems.
- Ceramic CDIP Package: Offers high reliability and thermal performance.
Military Computer Systems
In military computers, the SN54S244J buffers address and data buses between the CPU and memory. The Schottky-clamped design provides fast propagation delays for high-speed processing.
Aerospace Telemetry
For aerospace telemetry systems, this buffer drives sensor data to the transmitter. Its wide temperature range ensures reliable operation in unpressurized compartments.
Industrial Process Control
In industrial process controllers, this buffer isolates control logic from field devices. The 48mA sink current drives long cable runs in factory environments.
Redundant Power Systems
Use this buffer in redundant power supply controllers to manage load-sharing signals. The 3-State outputs allow seamless switching between power modules.
Legacy TTL System Maintenance
For maintaining legacy 5V TTL systems, this buffer provides a high-speed replacement for older parts, improving system performance.
Test Equipment for Harsh Environments
In portable test equipment used in the field, this buffer conditions signals from sensors, ensuring accurate measurements in extreme temperatures.
- Q: What is the logic family of the SN54S244J?
- A: It belongs to the 54S logic family, a Schottky-clamped bipolar family known for high speed.
- Q: What is the function of this IC?
- A: It is a dual-channel non-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.
- Q: What is the output current capability?
- A: It can sink 48mA and source 12mA, providing strong drive for bus lines.
- Q: What is the logic family of the SN54S244J?
- A: It belongs to the 54S logic family, a Schottky-clamped bipolar family known for high speed.
- Q: What is the function of this IC?
- A: It is a dual-channel non-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.
- Q: What is the output current capability?
- A: It can sink 48mA and source 12mA, providing strong drive for bus lines.
SN54S244J.pdf