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| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | 54HC |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 2 |
| Number of Bits per Element | 4 |
| Input Type | - |
| Output Type | Tri-State, Non-Inverted |
| Current - Output High, Low | 7.8mA, 7.8mA |
| Voltage - Supply | 2V ~ 6V |
| 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 JM38510/65704BRA is a dual non-inverting buffer from National Semiconductor's 54HC logic family, designed for high-reliability applications. It operates over a wide 2V to 6V supply range and provides Tri-State, non-inverted outputs with 7.8mA drive capability. Housed in a 20-pin CDIP package, it is qualified for -55°C to 125°C operation, making it suitable for military, aerospace, and industrial systems requiring robust bus interfacing and signal buffering.
- Wide 2V to 6V Supply Range: Compatible with both 3.3V and 5V logic systems, simplifying mixed-voltage design.
- Tri-State Non-Inverted Outputs: Enables bus sharing and isolation, preventing data corruption in multi-drop configurations.
- Military Temperature Range (-55°C to 125°C): Guarantees reliable operation in extreme environments, ideal for defense and aerospace.
- Dual-Channel Configuration: Provides two independent buffers in one package, saving board space and reducing component count.
High-Reliability Bus Interfacing
In aerospace and defense systems, the 54HC family's wide 2V to 6V supply range and Tri-State outputs enable robust bus interfacing between 3.3V logic and legacy 5V peripherals, ensuring signal integrity across harsh environments.
Signal Buffering for Long PCB Traces
With 7.8mA sink/source current capability, this dual buffer can drive long capacitive traces on large backplanes without significant signal degradation, reducing noise and improving system stability.
Level Shifting in Mixed-Voltage Systems
The 2V to 6V operating range allows the JM38510/65704BRA to act as a simple level shifter between 3.3V microcontrollers and 5V sensors, eliminating the need for external level-shifting circuitry.
Military-Grade Data Acquisition
Rated for -55°C to 125°C, this buffer is ideal for data acquisition units in military avionics, where extreme temperature swings require components with guaranteed performance over the full military temperature range.
Tri-State Bus Isolation in Redundant Systems
In redundant control systems, the Tri-State outputs allow multiple buffer stages to be isolated from the main bus when not in use, preventing bus contention and enabling hot-swap capabilities.
Driving High-Capacitance Clock Lines
The non-inverting buffer configuration is perfect for fan-out of clock signals to multiple loads, providing the necessary drive strength to maintain fast edge rates on high-capacitance clock distribution networks.
- Q: What is the logic family of the JM38510/65704BRA?
- A: It belongs to the 54HC logic family, offering high-speed CMOS performance with wide voltage tolerance.
- Q: What is the function of this IC?
- A: It is a dual-channel, non-inverting buffer with Tri-State outputs, ideal for bus isolation and signal driving.
- Q: How many channels does it have?
- A: It features 2 independent buffer channels, each with Tri-State, non-inverted outputs.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, making it compatible with 3.3V and 5V systems.
- Q: What is the output type?
- A: The outputs are Tri-State (high, low, high-impedance), non-inverted, allowing multiple devices to share a bus.
- Q: What package is available?
- A: It comes in a 20-pin CDIP (0.300", 7.62mm) ceramic dual-inline package, suitable for high-reliability applications.
JM38510/65704BRA.pdf
- Q: What is the logic family of the JM38510/65704BRA?
- A: It belongs to the 54HC logic family, offering high-speed CMOS performance with wide voltage tolerance.
- Q: What is the function of this IC?
- A: It is a dual-channel, non-inverting buffer with Tri-State outputs, ideal for bus isolation and signal driving.
- Q: How many channels does it have?
- A: It features 2 independent buffer channels, each with Tri-State, non-inverted outputs.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, making it compatible with 3.3V and 5V systems.
- Q: What is the output type?
- A: The outputs are Tri-State (high, low, high-impedance), non-inverted, allowing multiple devices to share a bus.
- Q: What package is available?
- A: It comes in a 20-pin CDIP (0.300", 7.62mm) ceramic dual-inline package, suitable for high-reliability applications.