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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Bulk | |
| 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 | 32mA, 64mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -55°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | 20-CDIP (0.300", 7.62mm) |
| Supplier Device Package | 20-CDIP (0.300", 7.62mm) |
The SNJ54ABT245AJ is a high-speed, non-inverting octal transceiver from Texas Instruments, part of the advanced 54ABT BiCMOS logic family. It provides bidirectional data transfer between two 8-bit buses with 3-state outputs, operating from a 4.5V to 5.5V supply. Capable of sourcing 32mA and sinking 64mA, it drives demanding loads with ease. Housed in a ceramic 20-CDIP package, it is designed for military and aerospace applications requiring reliable performance from -55°C to 125°C.
- High Drive Current (64mA Sink): Drives low-impedance or high-capacitance loads without additional buffers.
- Bidirectional Operation: Simplifies bus design by allowing data flow in both directions with a single IC.
- Ceramic Package for Harsh Environments: Provides superior thermal and mechanical stability compared to plastic packages.
- Advanced ABT Technology: Combines low power with high speed, ideal for performance-critical systems.
Bidirectional Bus Interfacing
The SNJ54ABT245AJ is ideal for connecting two 8-bit data buses in a microprocessor system. Its direction control pin (DIR) allows data to flow from A to B or B to A, while the output-enable (OE) pin can isolate the buses entirely.
High-Speed Data Transmission
With 64mA sink capability, this transceiver can drive heavily loaded backplanes in telecom or networking equipment. The ABT family's advanced BiCMOS process ensures minimal propagation delay, critical for high-frequency operation.
Military Avionics Data Routing
Rated for -55°C to 125°C, this device is suitable for avionics systems where temperature extremes are common. It routes data between flight control computers and sensor arrays with high reliability.
Memory Interface Buffering
In memory systems, the transceiver can buffer address or data lines between a controller and SRAM/DRAM arrays. The 3-state outputs prevent bus contention during memory access cycles.
Industrial PLC Backplane Communication
In programmable logic controllers, this IC facilitates communication between the CPU and I/O modules. Its robust drive strength ensures reliable data transfer over long backplane traces.
Test Equipment Signal Routing
For automated test equipment, the transceiver can route test vectors to multiple device-under-test (DUT) interfaces. The 3-state feature allows multiple test channels to share a common data bus.
- Q: What is the logic family of the SNJ54ABT245AJ?
- A: It belongs to the 54ABT family, a high-speed BiCMOS logic series known for low power consumption and high output drive.
- Q: What is the function of this IC?
- A: It is a single-channel (8-bit) non-inverting transceiver, allowing bidirectional data flow between two buses.
- Q: How many channels does it have?
- A: It has 1 channel, which represents an 8-bit wide bus transceiver with direction and output-enable controls.
- Q: What is the output type?
- A: The outputs are 3-State, enabling high-impedance states for bus sharing and bidirectional operation.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, compatible with standard 5V TTL systems.
- Q: What package is available?
- A: It is available in a 20-pin CDIP (Ceramic Dual In-line Package) with 0.300-inch spacing.
SNJ54ABT245AJ.pdf
- Q: What is the logic family of the SNJ54ABT245AJ?
- A: It belongs to the 54ABT family, a high-speed BiCMOS logic series known for low power consumption and high output drive.
- Q: What is the function of this IC?
- A: It is a single-channel (8-bit) non-inverting transceiver, allowing bidirectional data flow between two buses.
- Q: How many channels does it have?
- A: It has 1 channel, which represents an 8-bit wide bus transceiver with direction and output-enable controls.
- Q: What is the output type?
- A: The outputs are 3-State, enabling high-impedance states for bus sharing and bidirectional operation.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, compatible with standard 5V TTL systems.
- Q: What package is available?
- A: It is available in a 20-pin CDIP (Ceramic Dual In-line Package) with 0.300-inch spacing.