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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 | Schmitt Trigger |
| Output Type | Open Drain |
| Current - Output High, Low | 15mA, 24mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -55°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | 24-CDIP (0.300", 7.62mm) |
| Supplier Device Package | 24-CDIP (0.300", 7.62mm) |
The AM29C853A/BLA from Advanced Micro Devices is a non-inverting transceiver designed for high-reliability 5V systems. It features a single channel with Open Drain outputs, requiring external pull-ups. Operating from 4.5V to 5.5V, it delivers 15mA sink and 24mA source capability (with pull-ups). The 24-CDIP ceramic package and -55°C to 125°C temperature range make it suitable for military and industrial applications. Typical uses include wired-OR buses, redundant systems, and high-temperature data interfaces.
- Military Temperature Range (-55°C to 125°C): Operates reliably in extreme environments, ideal for defense and aerospace.
- Open Drain Outputs: Enables wired-OR connections and flexible voltage level interfacing with external pull-ups.
- Ceramic DIP Package: Provides superior thermal and mechanical stability compared to plastic packages.
- High Drive Current (24mA Source): Ensures robust signal integrity even with pull-up resistors.
- Proven AMD Technology: Reliable bipolar/CMOS design for long-term industrial use.
Military and Aerospace Data Buses
The AM29C853A/BLA's -55°C to 125°C range and ceramic package make it ideal for avionics and defense systems where reliability is critical.
Wired-OR Bus Architectures
Open Drain outputs allow multiple transceivers to be connected in a wired-OR configuration, enabling priority-based bus arbitration in control systems.
High-Voltage Interface Circuits
With external pull-ups, the open drain outputs can interface with higher-voltage logic (e.g., 12V or 24V) in industrial control panels.
Redundant System Design
In fault-tolerant systems, the open drain outputs facilitate easy isolation of failed modules without affecting the shared bus.
Legacy 5V System Upgrades
For maintaining older 5V equipment, this transceiver provides a robust, high-temperature solution for signal buffering and bidirectional communication.
Test and Measurement Instrumentation
In harsh testing environments, the wide temperature range and open drain flexibility allow for custom signal conditioning and bus monitoring.
- Q: What is the logic family of the AM29C853A/BLA?
- A: This device is from AMD's AM29C series, a bipolar/CMOS family designed for high-performance 5V systems.
- Q: What is the function of this IC?
- A: It is a single-channel non-inverting transceiver, enabling bidirectional data transfer between buses.
- Q: What is the output type?
- A: The outputs are Open Drain, requiring external pull-up resistors for proper logic high levels.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, compatible with standard 5V TTL logic.
- Q: What is the package type?
- A: It comes in a 24-CDIP (0.300", 7.62mm) ceramic dual-inline package, suitable for high-reliability applications.
- Q: What is the temperature range?
- A: It operates over the military temperature range of -55°C to 125°C, making it suitable for extreme environments.
AM29C853A/BLA.pdf
- Q: What is the logic family of the AM29C853A/BLA?
- A: This device is from AMD's AM29C series, a bipolar/CMOS family designed for high-performance 5V systems.
- Q: What is the function of this IC?
- A: It is a single-channel non-inverting transceiver, enabling bidirectional data transfer between buses.
- Q: What is the output type?
- A: The outputs are Open Drain, requiring external pull-up resistors for proper logic high levels.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, compatible with standard 5V TTL logic.
- Q: What is the package type?
- A: It comes in a 24-CDIP (0.300", 7.62mm) ceramic dual-inline package, suitable for high-reliability applications.
- Q: What is the temperature range?
- A: It operates over the military temperature range of -55°C to 125°C, making it suitable for extreme environments.