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Product Detailed Parameters
- Description：BUS DRIVER, ALS 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 SNJ54ALS29825JT is a high-speed CMOS bus driver from Texas Instruments' ALS series. It features a 16-lead ceramic dual in-line package (CDIP) designed for military and aerospace environments. The device operates within an extended temperature range of -55°C to 125°C. It provides robust signal buffering and driving capabilities with low power consumption characteristics typical of the ALS logic family.
Feature Summary
- High-speed CMOS technology for efficient signal transmission
- Military-grade ceramic packaging for harsh environment reliability
- Extended operating temperature range supporting extreme conditions
Applications
- Military avionics systems
- Aerospace data bus interfaces
- Harsh environment industrial control
Procurement Notes
Verify the specific suffix 'JT' indicates the ceramic J-package variant when sourcing. Confirm that the component meets required MIL-STD specifications if used in defense applications. Ensure compatibility with existing board layouts due to the specific CDIP footprint dimensions. Check for recent PCN notifications regarding material changes or assembly process updates before finalizing procurement decisions.
Selection Notes
Select this component when military-grade reliability and wide temperature operation are mandatory. The ALS series offers a balance of speed and power dissipation suitable for complex digital systems. Consider the physical size constraints of the 16-lead CDIP package during mechanical design. Evaluate system power budgets against standard TTL alternatives to leverage CMOS efficiency benefits.
Part Context
This part belongs to Texas Instruments' extensive ALS (Advanced Low-Power Schottky) logic family. The ALS series was developed to provide faster switching speeds than standard LS logic while maintaining lower power consumption. The SNJ prefix denotes a military-grade qualification level, ensuring higher reliability standards compared to commercial variants.
Replacement Considerations
Direct replacements include other military-grade ALS bus drivers such as the SNJ54ALS244 or SNJ54ALS245 if pin-compatible functionality is required. Verify logical equivalence and electrical characteristics before substituting. Commercial equivalents like the SN74ALS29825 lack the necessary environmental ratings for military use.
