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| Product attributes | Property Value |
| Manufacturer | Advanced Micro Devices |
| Product Series | |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Transceiver, Non-Inverting |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 10mA, 48mA |
| 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 AM2947/B2A is a high-performance, non-inverting transceiver from Advanced Micro Devices, engineered for robust bidirectional data communication in 5V systems. This single-channel device features 3-State outputs for efficient bus sharing and isolation. It operates within a 4.5V to 5.5V supply range and offers exceptional drive capability, sourcing 10mA and sinking 48mA. Packaged in a durable 20-CLCC ceramic package, it is designed to operate reliably across the full military temperature range of -55°C to 125°C, making it a prime choice for demanding aerospace and industrial applications.
- High Sink Current (48mA): Provides superior drive strength for heavily loaded buses and long transmission lines, improving signal integrity.
- Military Temperature Range: Guaranteed operation from -55°C to 125°C ensures functionality in extreme environments.
- Ceramic CLCC Package: Offers hermetic sealing and excellent thermal performance, enhancing long-term reliability.
- 3-State Outputs: Enables safe bus multiplexing and system-level fault isolation, critical for redundant architectures.
High-Current Bus Driving
The AM2947/B2A's 48mA sink capability makes it ideal for driving long, high-capacitance backplane buses in mainframe computers or telecommunications equipment, ensuring signal integrity over extended distances.
Military and Avionics Data Buses
With its ceramic package and -55°C to 125°C temperature rating, this transceiver is well-suited for military avionics, radar systems, and other defense electronics that require high reliability in extreme conditions.
Industrial Process Controllers
In industrial settings, this transceiver can interface a PLC's CPU with field I/O modules. The high sink current allows it to drive optocouplers or relays directly, simplifying the interface circuitry.
Memory System Interfacing
Use the AM2947/B2A to buffer address and data lines between a memory controller and multiple banks of SRAM or DRAM. The 3-State outputs prevent bus conflicts during read/write cycles.
Redundant Control Systems
In safety-critical applications like flight control, the 3-State outputs allow the transceiver to isolate a failed controller from the system bus, enabling a redundant controller to take over without hardware reconfiguration.
- Q: What is the function of the AM2947/B2A?
- A: It is a non-inverting transceiver, designed for bidirectional data transfer between two buses in a digital system.
- Q: What is the output type?
- A: The device features 3-State outputs, which can be set to a high-impedance state to allow multiple devices to share a common bus.
- Q: What is the operating voltage range?
- A: The AM2947/B2A operates with a standard 5V power supply, with a recommended range of 4.5V to 5.5V.
- Q: What are the output current capabilities?
- A: It can source 10mA and sink 48mA, providing strong drive capability for bus lines and high-capacitance loads.
- Q: What is the package type?
- A: This component is housed in a 20-CLCC (Ceramic Leadless Chip Carrier) package, suitable for high-reliability applications.
- Q: What is the temperature range?
- A: It is rated for operation over the full military temperature range of -55°C to 125°C.
AM2947/B2A.pdf
- Q: What is the function of the AM2947/B2A?
- A: It is a non-inverting transceiver, designed for bidirectional data transfer between two buses in a digital system.
- Q: What is the output type?
- A: The device features 3-State outputs, which can be set to a high-impedance state to allow multiple devices to share a common bus.
- Q: What is the operating voltage range?
- A: The AM2947/B2A operates with a standard 5V power supply, with a recommended range of 4.5V to 5.5V.
- Q: What are the output current capabilities?
- A: It can source 10mA and sink 48mA, providing strong drive capability for bus lines and high-capacitance loads.
- Q: What is the package type?
- A: This component is housed in a 20-CLCC (Ceramic Leadless Chip Carrier) package, suitable for high-reliability applications.
- Q: What is the temperature range?
- A: It is rated for operation over the full military temperature range of -55°C to 125°C.