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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 AM29C853/BLA is a non-inverting transceiver from AMD, designed for bidirectional data flow in 5V systems. It operates from 4.5V to 5.5V and features open-drain outputs capable of sinking 15mA and sourcing 24mA. With a single channel, it is ideal for compact bus interfaces, wired-OR configurations, and level-shifting applications. Housed in a 24-pin ceramic DIP, it supports the full military temperature range of -55°C to 125°C, making it suitable for rugged industrial and aerospace environments.
- Open-Drain Outputs: Enables wired-OR logic and simple level shifting to higher voltages, reducing external component count.
- Wide Temperature Range (-55°C to 125°C): Guarantees reliable operation in extreme military and industrial environments.
- High Current Drive (24mA Source): Can directly drive LEDs, relays, or low-impedance loads without additional buffers.
- Ceramic DIP Package: Provides superior thermal and mechanical stability compared to plastic packages, ideal for long-life applications.
Wired-OR Bus Interfacing
The open-drain outputs allow multiple AM29C853 devices to be connected in a wired-OR configuration, ideal for interrupt lines or shared buses where any device can pull the line low.
Level Shifting for Mixed-Voltage Systems
With a 4.5V-5.5V supply and open-drain outputs, this transceiver can interface 5V logic to higher-voltage systems (e.g., 12V) using external pull-up resistors, simplifying mixed-voltage designs.
Bidirectional Data Bus for Legacy Processors
As a non-inverting transceiver, it provides a clean bidirectional path for data buses in older 5V microprocessor systems, preserving signal integrity over long traces.
Military/Aerospace Signal Distribution
The -55°C to 125°C temperature range and ceramic DIP package make it suitable for harsh environments like avionics or satellite telemetry systems requiring reliable data transfer.
Industrial Sensor Multiplexing
Open-drain outputs enable multiplexing multiple sensor outputs onto a single ADC input line, with each sensor able to pull the line low independently, reducing I/O requirements.
Peripheral Driver for Relays/LEDs
The 24mA source capability can directly drive small relays or LED arrays in control panels, while the open-drain structure allows sinking external loads with proper pull-ups.
- Q: What logic family does the AM29C853/BLA belong to?
- A: The AM29C853/BLA is a bipolar/CMOS transceiver from AMD, operating at 4.5V to 5.5V.
- Q: What is the function of this IC?
- A: It is a non-inverting transceiver with 1 channel, designed for bidirectional bus communication.
- Q: What is the output type?
- A: It features open-drain outputs, allowing wired-OR connections and level shifting.
- Q: What are the output current capabilities?
- A: It can sink 15mA and source 24mA, suitable for driving moderate loads.
- Q: What package is available?
- A: It comes in a 24-pin CDIP (0.300", 7.62mm) ceramic DIP package.
- Q: What is the operating temperature range?
- A: It operates over the military temperature range of -55°C to 125°C.
AM29C853/BLA.pdf
- Q: What logic family does the AM29C853/BLA belong to?
- A: The AM29C853/BLA is a bipolar/CMOS transceiver from AMD, operating at 4.5V to 5.5V.
- Q: What is the function of this IC?
- A: It is a non-inverting transceiver with 1 channel, designed for bidirectional bus communication.
- Q: What is the output type?
- A: It features open-drain outputs, allowing wired-OR connections and level shifting.
- Q: What are the output current capabilities?
- A: It can sink 15mA and source 24mA, suitable for driving moderate loads.
- Q: What package is available?
- A: It comes in a 24-pin CDIP (0.300", 7.62mm) ceramic DIP package.
- Q: What is the operating temperature range?
- A: It operates over the military temperature range of -55°C to 125°C.