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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 | 4.75V ~ 5.25V |
| Operating Temperature | 0°C ~ 70°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 AM2965DC from Advanced Micro Devices is a high-speed inverting buffer with 3-State outputs. Operating from a 4.75V to 5.25V supply, it provides 8-bit buffering organized as two 4-bit channels. It features a 12mA sink and 1mA source current capability, making it suitable for driving TTL loads. Packaged in a 20-pin ceramic DIP, it operates from 0°C to 70°C. This device is designed for bus-oriented systems where signal inversion and high-impedance isolation are required.
- High Sink Current (12mA): Can drive multiple TTL loads or LEDs directly, reducing external driver components.
- Inverting Function: Useful for active-low bus architectures, simplifying logic design.
- 3-State Outputs: Allows safe bus sharing in multiplexed systems, preventing data corruption.
- Ceramic DIP Package: Offers robust mechanical and thermal properties for industrial environments.
Legacy TTL Bus Inversion
In retro computing systems, use the AM2965DC to invert address or data lines where active-low logic is required. The 3-State outputs allow multiple boards to share the bus.
High-Speed Memory Controllers
Buffer and invert control signals like /RAS and /CAS in DRAM controllers. The 12mA sink capability ensures fast discharge of capacitive loads.
Industrial Control Panels
In 5V PLC systems, this buffer can invert sensor signals and drive indicator LEDs or relay drivers. Its 0°C to 70°C range suits factory floor environments.
Test and Measurement Equipment
Use it to invert trigger signals or to buffer parallel data in benchtop instruments. The ceramic DIP package provides stable thermal performance.
Telecommunications Switching
In legacy telecom racks, the AM2965DC can invert and buffer control lines between line cards and the main controller, ensuring clean signal propagation.
Microprocessor System Decoding
Invert chip-select signals for peripheral devices. The 3-State outputs prevent multiple devices from being selected simultaneously.
- Q: What logic family does the AM2965DC use?
- A: It is a bipolar logic device from AMD, designed for high-speed applications.
- Q: What is the function of this IC?
- A: It is an inverting buffer with 3-State outputs, used for signal inversion and bus driving.
- Q: How many channels does it have?
- A: It contains 2 channels, each 4-bit wide, providing an 8-bit buffer.
- Q: What is the supply voltage?
- A: It operates at a standard 5V supply, specifically 4.75V to 5.25V.
- Q: What are the output current capabilities?
- A: It can sink 12mA and source 1mA per output.
- Q: What package is available?
- A: It comes in a 20-CDIP (0.300", 7.62mm) ceramic dual-inline package.
AM2965DC.pdf
- Q: What logic family does the AM2965DC use?
- A: It is a bipolar logic device from AMD, designed for high-speed applications.
- Q: What is the function of this IC?
- A: It is an inverting buffer with 3-State outputs, used for signal inversion and bus driving.
- Q: How many channels does it have?
- A: It contains 2 channels, each 4-bit wide, providing an 8-bit buffer.
- Q: What is the supply voltage?
- A: It operates at a standard 5V supply, specifically 4.75V to 5.25V.
- Q: What are the output current capabilities?
- A: It can sink 12mA and source 1mA per output.
- Q: What package is available?
- A: It comes in a 20-CDIP (0.300", 7.62mm) ceramic dual-inline package.