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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 54BCT |
| Packaging | | |
| 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 | 12mA, 48mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -55°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | 24-CDIP (0.300", 7.62mm) |
| Supplier Device Package | 24-CDIP |
| ROHS |  |
The SNJ54BCT646JT is a high-performance non-inverting transceiver from Texas Instruments, part of the 54BCT logic family. It features a single channel with 3-State outputs, enabling bidirectional data flow on shared buses. Operating from 4.5V to 5.5V, it provides 12mA source and 48mA sink current, ensuring robust signal drive. Housed in a 24-CDIP ceramic package, it operates over the full military temperature range of -55°C to 125°C. Ideal for bus interfacing, memory buffering, and industrial control applications.
- High Drive Current (48mA Sink): Drives heavy bus loads and long traces, improving signal integrity in complex systems.
- 3-State Outputs: Enables bus sharing and multiplexing, reducing the need for external isolation components.
- Military Temperature Range (-55°C to 125°C): Reliable operation in extreme environments, suitable for defense and aerospace.
- Ceramic CDIP Package: Provides superior thermal and mechanical stability compared to plastic packages.
High-Speed Bus Interfacing
Use the SNJ54BCT646JT in microprocessor systems to buffer and control bidirectional data buses. The 3-State outputs allow multiple devices to share the bus without contention, while the 48mA sink current drives heavy capacitive loads.
Memory Address/Data Buffering
In memory subsystems, this transceiver isolates the CPU from SRAM/DRAM arrays. Its non-inverting nature preserves signal integrity, and the 12mA source current ensures reliable logic levels for memory chips.
Backplane Communication
For multi-board systems, the device provides robust line driving over backplane traces. The 54BCT family's high-speed performance minimizes propagation delay, critical for synchronous communication.
Industrial Control I/O
In PLCs and industrial controllers, it interfaces between logic controllers and peripheral modules. The wide temperature range (-55°C to 125°C) ensures operation in harsh environments.
Avionics and Defense Electronics
Given its military-grade temperature rating and ceramic package, it suits aerospace data buses. The 3-State outputs enable redundant bus architectures for fault-tolerant systems.
Test and Measurement Equipment
In ATE systems, the transceiver routes test signals between FPGAs and DUTs. The high drive current (48mA) handles long cables and multiple test points without signal degradation.
- Q: What is the logic family of the SNJ54BCT646JT?
- A: It belongs to the 54BCT logic family, designed for high-performance bus interface applications.
- Q: What is the function of this IC?
- A: It is a non-inverting transceiver with 3-State outputs, ideal for bidirectional data flow.
- Q: How many channels does it have?
- A: It features 1 channel (8-bit bus width) for data transmission.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus isolation and multiplexing.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, making it compatible with standard 5V systems.
- Q: What package is available?
- A: It comes in a 24-CDIP (0.300", 7.62mm) ceramic dual-in-line package.
SNJ54BCT646JT.pdf
- Q: What is the logic family of the SNJ54BCT646JT?
- A: It belongs to the 54BCT logic family, designed for high-performance bus interface applications.
- Q: What is the function of this IC?
- A: It is a non-inverting transceiver with 3-State outputs, ideal for bidirectional data flow.
- Q: How many channels does it have?
- A: It features 1 channel (8-bit bus width) for data transmission.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus isolation and multiplexing.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, making it compatible with standard 5V systems.
- Q: What package is available?
- A: It comes in a 24-CDIP (0.300", 7.62mm) ceramic dual-in-line package.