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| Product attributes | Property Value |
| Manufacturer | Advanced Micro Devices |
| Product Series | |
| 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 | 1mA, 12mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -55°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | 20-CDIP (0.300", 7.62mm) |
| Supplier Device Package | 20-CDIP (0.300", 7.62mm) |
The AM2965/BRA from Advanced Micro Devices is a dual inverting buffer with 3-State outputs, designed for high-speed 5V digital systems. It operates from 4.5V to 5.5V, ensuring compatibility with standard TTL power supplies. The device provides 1mA source and 12mA sink current, sufficient for driving TTL loads and moderate capacitance. Housed in a 20-pin ceramic DIP, it is built for military temperature ranges (-55°C to 125°C). This buffer is ideal for bus-oriented applications in mainframe computers, telecommunications, and aerospace systems where signal integrity and reliability are critical.
- High-Speed Bipolar Technology: Provides fast propagation delays for demanding 5V logic systems.
- 3-State Outputs: Allows multiple devices to share a common bus without contention.
- Ceramic DIP Package: Offers superior thermal and mechanical reliability for harsh environments.
- Full Military Temperature Range: Operates from -55°C to 125°C for defense applications.
High-Speed Bus Driving
The AM2965/BRA provides fast inverting buffering for microprocessor address and data buses, ensuring signal integrity at high clock rates.
Memory System Interface
Use the 3-State outputs to connect multiple memory banks to a shared data bus, enabling efficient bank selection and isolation.
TTL Logic Level Conversion
With 5V operation, it interfaces directly with TTL logic, providing the necessary drive strength for fan-out to multiple loads.
Backplane Communication
In card-cage systems, the buffer drives long backplane traces, reducing reflections and crosstalk with its controlled output impedance.
Peripheral Device Selection
The 3-State feature allows the buffer to be disabled when the peripheral is not addressed, preventing bus conflicts.
Aerospace Data Acquisition
With a -55°C to 125°C range, it is suitable for satellite and avionics data acquisition systems requiring high reliability.
- Q: What is the logic family of the AM2965/BRA?
- A: This is a bipolar logic device from Advanced Micro Devices, designed for high-speed 5V systems.
- Q: What is the function?
- A: It is a dual inverting buffer with 3-State outputs, ideal for bus driving.
- Q: What is the output type?
- A: The outputs are 3-State, allowing high-impedance mode for multiplexed buses.
- Q: What is the voltage range?
- A: It operates from 4.5V to 5.5V, making it compatible with standard TTL power supplies.
- Q: What is the package?
- A: It comes in a 20-pin CDIP (ceramic dual in-line) package.
- Q: What is the output current?
- A: It can source 1mA and sink 12mA, suitable for TTL-level loads.
AM2965/BRA.pdf
- Q: What is the logic family of the AM2965/BRA?
- A: This is a bipolar logic device from Advanced Micro Devices, designed for high-speed 5V systems.
- Q: What is the function?
- A: It is a dual inverting buffer with 3-State outputs, ideal for bus driving.
- Q: What is the output type?
- A: The outputs are 3-State, allowing high-impedance mode for multiplexed buses.
- Q: What is the voltage range?
- A: It operates from 4.5V to 5.5V, making it compatible with standard TTL power supplies.
- Q: What is the package?
- A: It comes in a 20-pin CDIP (ceramic dual in-line) package.
- Q: What is the output current?
- A: It can source 1mA and sink 12mA, suitable for TTL-level loads.