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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 74ALS |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Transceiver, Inverting |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 24mA, 48mA |
| Voltage - Supply | 4.75V ~ 5.25V |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | 24-DIP (0.300", 7.62mm) |
| Supplier Device Package | 24-PDIP |
The SN74ALS29854NT3 is a single-channel inverting transceiver from Texas Instruments, part of the 74ALS logic family. It operates at 4.75V to 5.25V, making it suitable for standard 5V TTL systems. With 3-state outputs and a sink current of 48mA, it can drive moderate bus loads. The 24-pin DIP package is ideal for through-hole PCB designs and prototyping. Typical applications include bidirectional bus interfacing with signal inversion, industrial control, and data acquisition systems.
- Inverting Transceiver Function: Provides signal inversion and bidirectional data flow in one device.
- 48mA Sink Current: Drives TTL loads and moderate bus capacitance effectively.
- 3-State Outputs: Allows bus sharing and reduces power when idle.
- Through-Hole DIP Package: Easy to solder and replace, ideal for legacy systems and prototyping.
5V Bidirectional Bus with Inversion
Use the SN74ALS29854NT3 in 5V systems where data inversion is required, such as in certain memory or peripheral interfaces. The 3-state output allows multiple devices to share the bus.
Legacy TTL System Interfacing
In older TTL-based equipment, this transceiver provides the necessary drive strength (48mA sink) to interface with multiple TTL loads while maintaining signal integrity.
Through-Hole Prototyping
The 24-pin DIP package is ideal for breadboarding and prototyping, allowing easy integration into educational or development environments.
Industrial Control Bus Isolation
In industrial controllers, this transceiver can buffer and invert signals between a CPU and I/O modules, providing electrical isolation and signal conditioning.
Data Acquisition Systems
For data acquisition, the inverting transceiver can be used to interface sensors with inverted output logic to a central processing unit, simplifying data handling.
- Q: What is the logic family of the SN74ALS29854NT3?
- A: It is from the 74ALS (Advanced Low-power Schottky) family, balancing speed and power.
- Q: What is the function of this IC?
- A: It is a single-channel (1-bit) inverting transceiver, allowing bidirectional data flow with inversion.
- Q: What is the output type?
- A: The outputs are 3-State, enabling connection to shared buses.
- Q: What is the voltage range?
- A: It operates from 4.75V to 5.25V, a tight range for standard 5V systems.
- Q: What is the package?
- A: It comes in a 24-pin DIP (0.300", 7.62mm) through-hole package.
- Q: What is the output current?
- A: It can sink 48mA and source 24mA, suitable for TTL-level bus driving.
SN74ALS29854NT3.pdf
- Q: What is the logic family of the SN74ALS29854NT3?
- A: It is from the 74ALS (Advanced Low-power Schottky) family, balancing speed and power.
- Q: What is the function of this IC?
- A: It is a single-channel (1-bit) inverting transceiver, allowing bidirectional data flow with inversion.
- Q: What is the output type?
- A: The outputs are 3-State, enabling connection to shared buses.
- Q: What is the voltage range?
- A: It operates from 4.75V to 5.25V, a tight range for standard 5V systems.
- Q: What is the package?
- A: It comes in a 24-pin DIP (0.300", 7.62mm) through-hole package.
- Q: What is the output current?
- A: It can sink 48mA and source 24mA, suitable for TTL-level bus driving.