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Product Detailed Parameters
- Description：BUS DRIVER, AS SERIES
- 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 SNJ54AS825AJT is a D-type bus interface flip-flop manufactured by Texas Instruments. It operates within a supply voltage range of 4.5V to 5.5V and supports a maximum clock frequency of 125MHz. The device features bipolar inputs and three-state outputs with a maximum low-level output current (IOL) of 48mA. It is housed in a 24-pin ceramic dual in-line package (CDIP) designed for military-grade reliability across an operating temperature range of -55°C to 125°C.
Feature Summary
- D-type bus interface architecture with positive-edge triggering
- Three-state output capability for bus isolation
- Military-grade ceramic packaging for harsh environment reliability
Applications
- High-speed digital data storage in military systems
- Bus interface buffering in aerospace computing
- Isolated data latching in ruggedized instrumentation
Procurement Notes
Verify the complete part number including suffixes against official Texas Instruments documentation to ensure correct package type and temperature rating. Confirm that the supplier provides traceability for military-grade components. Check for RoHS compliance status as indicated in manufacturer records, noting potential regulatory distinctions for legacy or specialized logic families.
Selection Notes
Select this component when a high-speed, single-element D-type latch with three-state outputs is required for military applications. Ensure system design accommodates the 48mA sink current capability and 125MHz clock limit. Verify compatibility with bipolar input logic levels and confirm that the 24-pin CDIP footprint fits the target PCB layout constraints.
Part Context
This device belongs to the Texas Instruments 54AS series, which utilizes Advanced Schottky technology for improved speed-power performance over standard TTL. The 'SNJ' prefix denotes a specific military-grade variant with ceramic construction, distinguishing it from commercial plastic-packaged equivalents in the same logical family.
Replacement Considerations
Consult official substitution guides for equivalent 54AS series devices. Verify pinout compatibility and electrical specifications before replacing with other manufacturers' parts.
