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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 | 0°C ~ 70°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 24-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 24-SOIC (0.295", 7.50mm Width) |
The AM29C833ASC from Advanced Micro Devices is a single-channel, non-inverting transceiver with an open drain output. It operates from 4.5V to 5.5V, providing flexibility for 5V systems. The output can sink 24mA, while the input requires only 15mA. The 24-SOIC package is suitable for surface-mount assembly. This device is ideal for wired-AND logic, I2C-style buses, and level shifting applications in industrial and communication systems.
- Open Drain Output: Enables wired-AND logic and allows external pull-up to different voltage levels for level shifting.
- Wide Supply Range (4.5V-5.5V): Tolerates supply variations, improving system reliability.
- High Sink Current (24mA): Can drive multiple loads or longer cable runs.
- Surface-Mount Package (24-SOIC): Suitable for automated assembly and space-constrained designs.
Bidirectional I2C-like Buses
The open drain output makes the AM29C833ASC ideal for I2C-compatible buses, where multiple devices share a single line with pull-up resistors.
Wired-AND Logic Implementation
Open drain outputs allow wired-AND connections, where any device pulling the line low forces the output low. This is useful for interrupt lines or bus request signals.
Level Shifting with External Pull-ups
By connecting the pull-up resistor to a different voltage (e.g., 3.3V), this transceiver can shift signals between 5V and 3.3V logic domains.
Industrial Sensor Interfacing
In industrial settings, open drain outputs can drive sensors or actuators that require a current sink, with the pull-up resistor providing the high-level signal.
Multi-Drop Communication Lines
For RS-485-like multi-drop networks, the open drain output allows multiple transceivers to share a single twisted-pair line without contention.
Power Supply Sequencing
Use the open drain output to monitor and sequence power supplies, where a fault condition pulls the line low to signal other devices.
- Q: What is the logic family of the AM29C833ASC?
- A: This device is a proprietary AMD design, not part of a standard 74-series logic family.
- Q: What is the function of this IC?
- A: It is a non-inverting transceiver, allowing bidirectional data flow on a single line.
- Q: How many channels does it have?
- A: It has 1 channel, suitable for single-bit bidirectional communication.
- Q: What type of output does it have?
- A: It features an Open Drain output, requiring an external pull-up resistor to set the high-level voltage.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, providing a wider tolerance than standard 5V logic.
- Q: What package is available?
- A: It comes in a 24-SOIC (0.295" width) surface-mount package.
AM29C833ASC.pdf
- Q: What is the logic family of the AM29C833ASC?
- A: This device is a proprietary AMD design, not part of a standard 74-series logic family.
- Q: What is the function of this IC?
- A: It is a non-inverting transceiver, allowing bidirectional data flow on a single line.
- Q: How many channels does it have?
- A: It has 1 channel, suitable for single-bit bidirectional communication.
- Q: What type of output does it have?
- A: It features an Open Drain output, requiring an external pull-up resistor to set the high-level voltage.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, providing a wider tolerance than standard 5V logic.
- Q: What package is available?
- A: It comes in a 24-SOIC (0.295" width) surface-mount package.