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| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | 54AC |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 4 |
| Number of Bits per Element | 1 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 24mA, 24mA |
| Voltage - Supply | 2V ~ 6V |
| Operating Temperature | -55°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | 14-CDIP (0.300", 7.62mm) |
| Supplier Device Package | 14-CERDIP |
The JM54AC125SCA-RH is a quad non-inverting buffer from National Semiconductor, part of the advanced 54AC logic family. It features four independent buffers with 3-state outputs, allowing for bus-oriented applications. Operating from a 2V to 6V supply, it provides 24mA of drive current at both source and sink. Housed in a 14-pin CDIP, this device is designed for military and aerospace applications, functioning reliably across the -55°C to 125°C temperature range.
- Wide 2V to 6V Supply Range: Compatible with 3.3V and 5V systems, providing design flexibility and reducing power requirements.
- High Drive Current (24mA): Ensures fast switching of large bus capacitances, improving system speed.
- 3-State Outputs: Allows multiple devices to share a common bus without conflict, essential for multiplexed data lines.
- Military Temperature Range: Guarantees performance in extreme environments, suitable for defense and aerospace.
Bus Line Driving
The 24mA source/sink capability and 3-state outputs make it ideal for driving high-capacitance backplane buses in military computing systems, ensuring fast signal propagation.
Memory Address Buffering
Use the four buffers to isolate and drive address lines to multiple memory banks. The 3-state feature allows for easy bus sharing in multiplexed architectures.
Level Shifting in Mixed-Voltage Systems
With a 2V to 6V supply range, it can act as a level shifter between 3.3V and 5V logic domains, simplifying interfacing in mixed-voltage designs.
High-Speed Clock Distribution
Buffer and distribute clock signals to multiple loads. The AC family's high speed ensures minimal skew and propagation delay, critical for synchronous systems.
Peripheral Interface Buffering
Drive peripheral devices like ADCs or DACs from a microcontroller. The 3-state outputs prevent bus contention when multiple peripherals share a data bus.
Radiation-Hardened Avionics
Designed for high-reliability, this buffer is suitable for avionics systems where consistent performance over a wide temperature range is mandatory.
- Q: What is the logic family of the JM54AC125SCA-RH?
- A: It belongs to the 54AC logic family, a high-speed CMOS series.
- Q: What is the function of this IC?
- A: It provides four (4) non-inverting buffer channels with 3-state outputs.
- Q: What is the supply voltage range?
- A: It operates over a wide voltage range of 2V to 6V, making it versatile for various applications.
- Q: What is the output current capability?
- A: It can source and sink 24mA of current, suitable for driving heavy capacitive loads.
- Q: What is the operating temperature range?
- A: It is specified for the full military temperature range of -55°C to 125°C.
- Q: What package is available?
- A: It is offered in a 14-pin CDIP (Ceramic Dual In-line Package).
JM54AC125SCA-RH.pdf
- Q: What is the logic family of the JM54AC125SCA-RH?
- A: It belongs to the 54AC logic family, a high-speed CMOS series.
- Q: What is the function of this IC?
- A: It provides four (4) non-inverting buffer channels with 3-state outputs.
- Q: What is the supply voltage range?
- A: It operates over a wide voltage range of 2V to 6V, making it versatile for various applications.
- Q: What is the output current capability?
- A: It can source and sink 24mA of current, suitable for driving heavy capacitive loads.
- Q: What is the operating temperature range?
- A: It is specified for the full military temperature range of -55°C to 125°C.
- Q: What package is available?
- A: It is offered in a 14-pin CDIP (Ceramic Dual In-line Package).