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Product Detailed Parameters
- Description：SN54ABT245A OCTAL BUS TRANSCEIVE
- Series：*
- Mfr：Texas Instruments
- Package：Bulk
- Logic Type：-
- Number of Elements：-
- Number of Bits per Element：-
- Input Type：-
- Output Type：-
- Current - Output High, Low：-
- Voltage - Supply：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The Texas Instruments SN54ABT245A is an octal bus transceiver designed for asynchronous communication between data buses. It features bidirectional transmission from the A bus to the B bus or vice versa, with three-state outputs. The device operates within a supply voltage range of 4.5V to 5.5V and draws a quiescent current of 250uA. It provides an output high current (IOH) of 32mA. Packaged in a 20-LCC ceramic LCC-20 format, it supports a temperature range of -55°C to 125°C.
Feature Summary
- Octal bus transceiver architecture handling eight bits per element for efficient multi-bit signal management
- Bidirectional data transmission capability between A and B buses with three-state outputs
- Designed specifically for asynchronous communication applications in digital systems
Applications
- Asynchronous communication between data buses
- Multi-bit signal management in digital systems
- High-speed data transfer interfaces requiring bidirectional control
Procurement Notes
Verify the specific suffix Q2A against official Texas Instruments documentation to confirm the exact package variant and quality grade. Ensure the procurement source provides valid traceability for this military-grade component. Cross-reference the part number with the SN54ABT245A datasheet to confirm electrical specifications match your system requirements before finalizing orders.
Selection Notes
Select this component when designing systems requiring robust octal bus interfacing with defined three-state logic levels. Consider the 4.5V to 5.5V operating range and the -55°C to 125°C temperature specification for environmental compatibility. Evaluate the 32mA output drive capability against load requirements to ensure signal integrity across the bus without additional buffering.
Part Context
This part belongs to the SN54 series of high-performance bus transceivers manufactured by Texas Instruments. The SN54ABT245A represents an advanced BiCMOS technology implementation offering faster switching speeds compared to standard TTL equivalents. It is widely utilized in industrial and military applications where reliability and wide temperature operation are critical for data bus integrity.
Replacement Considerations
Consult official Texas Instruments documentation for confirmed substitute part numbers. Verify pinout compatibility and electrical parameter equivalence before substituting.
