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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 Surface Mount
Package / Case 20-CLCC
Supplier Device Package 20-CLCC

The AM2965/B2A is a dual inverting buffer from Advanced Micro Devices, designed for 5V logic systems. It features two channels with 3-State outputs, enabling efficient bus isolation and signal inversion. Operating from 4.5V to 5.5V, it provides 1mA source and 12mA sink current, suitable for driving capacitive loads and TTL-compatible inputs. The ceramic 20-CLCC package supports extended temperature operation from -55°C to 125°C, making it ideal for military and industrial applications. Typical uses include memory address buffering, control signal inversion, and bus interfacing in legacy 5V equipment.

  • Extended Temperature Range (-55°C to 125°C): Ensures reliable operation in harsh aerospace and industrial environments.
  • 3-State Outputs: Allows multiple devices to share a common bus without signal contention.
  • Dual Inverting Channels: Provides two independent signal paths in one package, reducing component count.
  • Ceramic CLCC Package: Offers superior thermal dissipation and hermetic sealing for high-reliability applications.

Bus Interfacing in Legacy 5V Systems

The 3-State outputs and inverting function allow the AM2965/B2A to isolate and drive data buses in 5V TTL backplanes, preventing bus contention.

Signal Inversion for Control Logic

Use the dual inverting buffers to complement control signals (e.g., active-low enables) without adding external inverter gates, saving board space.

High-Reliability Aerospace & Defense

With a -55°C to 125°C temperature range and ceramic CLCC package, this buffer is suited for avionics and military electronics requiring MIL-STD compliance.

Memory Address Buffering

Buffer address lines from a CPU to multiple memory banks; the 3-State outputs allow multiple devices to share the same address bus.

Peripheral Driver with 12mA Sink Capability

The 12mA sink current can drive low-power LEDs or relay coils through a resistor, providing logic-to-peripheral interfacing.

Redundant Logic Paths in Industrial Controllers

Use both channels to create redundant inverted signals for safety-critical industrial control circuits, ensuring fail-safe operation.

Q: What is the logic family of the AM2965/B2A?
A: The AM2965/B2A is a standard 5V logic buffer from Advanced Micro Devices, operating within a 4.5V to 5.5V supply range.
Q: What is the function of this device?
A: It is a dual (2-channel) inverting buffer with 3-State outputs, ideal for bus driving and signal inversion.
Q: How many channels does the AM2965/B2A have?
A: It contains 2 independent buffer channels, each providing an inverted output.
Q: What is the output type?
A: The outputs are 3-State, allowing connection to shared buses with high-impedance disconnection.
Q: What is the operating voltage range?
A: The recommended supply voltage is 4.5V to 5.5V, making it compatible with standard 5V TTL systems.
Q: What package is available?
A: It comes in a 20-CLCC (ceramic leadless chip carrier) package, suitable for high-reliability applications.
Base Product Number : AM2965
20-CLCC 4.5V-5.5V 74-series AMD Buffer Bus Interface Inverting Logic IC Military Grade
Q: What is the logic family of the AM2965/B2A?
A: The AM2965/B2A is a standard 5V logic buffer from Advanced Micro Devices, operating within a 4.5V to 5.5V supply range.
Q: What is the function of this device?
A: It is a dual (2-channel) inverting buffer with 3-State outputs, ideal for bus driving and signal inversion.
Q: How many channels does the AM2965/B2A have?
A: It contains 2 independent buffer channels, each providing an inverted output.
Q: What is the output type?
A: The outputs are 3-State, allowing connection to shared buses with high-impedance disconnection.
Q: What is the operating voltage range?
A: The recommended supply voltage is 4.5V to 5.5V, making it compatible with standard 5V TTL systems.
Q: What package is available?
A: It comes in a 20-CLCC (ceramic leadless chip carrier) package, suitable for high-reliability applications.