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| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | |
| 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 | 24mA, 48mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -55°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-CFlatPack |
| Supplier Device Package | 20-CFlatPack |
The 54ABT244W-QMLV is a high-performance non-inverting buffer from National Semiconductor, part of the 54ABT logic family. It features 2 channels with 3-State outputs, capable of driving up to 48mA of current. Operating from a 4.5V to 5.5V supply, it is ideal for 5V bus interfacing, signal buffering, and driving high-capacitance loads. Its wide temperature range (-55°C to 125°C) makes it suitable for demanding industrial and military applications. The 20-CFlatPack package offers a compact solution for space-limited designs.
- High Output Drive (24mA/48mA): Ensures reliable signal transmission even with heavy capacitive loads, reducing the need for additional driver stages.
- 3-State Outputs: Enables bus multiplexing and bidirectional communication, simplifying system architecture.
- Wide Temperature Range (-55°C to 125°C): Guarantees operation in extreme environments, ideal for aerospace and defense applications.
- 5V Supply Compatibility: Directly interfaces with legacy 5V logic, easing integration into existing systems.
High-Speed Bus Interfacing
Use the 54ABT244W-QMLV to buffer address and data lines in high-speed digital systems. Its 3-State outputs allow multiple devices to share a common bus without contention, while the 48mA sink current ensures signal integrity over longer traces.
Signal Buffering for Memory Arrays
In memory subsystems, this buffer isolates the memory array from the controller, reducing capacitive loading. The 24mA source capability maintains clean logic levels, preventing data corruption during read/write cycles.
Driving High-Capacitance Loads
With its robust output current, this IC can drive high-capacitance loads such as long cables or multiple inputs. This makes it ideal for backplane applications where signal degradation must be minimized.
Level Shifting in Mixed-Voltage Systems
Although designed for 5V, the 3-State outputs can be used with pull-up resistors to interface with 3.3V logic, providing a simple level-shifting solution in mixed-voltage environments.
Military and Aerospace Electronics
Rated for -55°C to 125°C, this buffer is suitable for military and aerospace systems requiring reliable operation in extreme temperatures. Its QMLV qualification ensures high reliability.
Industrial Control Logic
In industrial PLCs and control systems, the 54ABT244W-QMLV buffers sensor signals and control outputs, ensuring robust communication between logic controllers and field devices.
- Q: What is the logic family of the 54ABT244W-QMLV?
- A: This device belongs to the 54ABT logic family, designed for high-speed, low-power operation.
- Q: What is the function of this IC?
- A: It is a non-inverting buffer with 2 channels, ideal for signal buffering and fan-out.
- Q: What is the output type?
- A: It features 3-State outputs, allowing connection to shared buses.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, making it suitable for 5V systems.
- Q: What is the output current capability?
- A: It can source/sink 24mA and 48mA, providing strong drive for loads.
- Q: What package is available?
- A: It comes in a 20-CFlatPack, suitable for space-constrained applications.
54ABT244W-QMLV.pdf
- Q: What is the logic family of the 54ABT244W-QMLV?
- A: This device belongs to the 54ABT logic family, designed for high-speed, low-power operation.
- Q: What is the function of this IC?
- A: It is a non-inverting buffer with 2 channels, ideal for signal buffering and fan-out.
- Q: What is the output type?
- A: It features 3-State outputs, allowing connection to shared buses.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, making it suitable for 5V systems.
- Q: What is the output current capability?
- A: It can source/sink 24mA and 48mA, providing strong drive for loads.
- Q: What package is available?
- A: It comes in a 20-CFlatPack, suitable for space-constrained applications.