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Product Detailed Parameters
- Description：SN54ALS191A SYNCHRONOUS 4-BIT UP
- Series：*
- Mfr：Texas Instruments
- Package：Bulk
- Logic Type：-
- Direction：-
- Number of Elements：-
- Number of Bits per Element：-
- Reset：-
- Timing：-
- Count Rate：-
- Trigger Type：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Voltage - Supply：-
- Grade：-
- Qualification：-
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Overview
The Texas Instruments 5962-86840012A is a single synchronous 4-bit up/down binary counter housed in a 20-LCCC package. It operates within a temperature range of -55°C to 125°C. The device features count-control line look-ahead circuitry to enhance the speed of cascaded counters. It is fully synchronous in count modes, ensuring reliable data handling across industrial and military applications requiring robust digital counting capabilities.
Feature Summary
- Fully synchronous operation in all count modes
- Look-ahead circuitry for enhanced cascading speed
- Up/Down binary counting capability
Applications
- Industrial control systems
- Military communication equipment
- Automotive electronics
Procurement Notes
Verify component authenticity through authorized distributors or certified secondary market suppliers. Confirm lot codes and traceability documentation match original manufacturing standards. Inspect for physical integrity and verify that the part meets specified environmental operating ranges. Ensure compliance with relevant military or industrial quality certifications before integration into critical systems.
Selection Notes
Select this component when designing systems requiring high-speed synchronous counting with minimal propagation delay in harsh environments. Consider the 20-LCCC package for surface-mount assembly needs. Evaluate thermal management requirements given the wide operating temperature range. Ensure interface compatibility with existing logic families for seamless integration into complex digital architectures.
Part Context
This part belongs to Texas Instruments' extensive portfolio of logic integrated circuits, specifically within the category of counters and dividers. It represents a specialized solution for digital signal processing and timing applications where precise synchronization and rapid counting are essential. The device supports various embedded processing and control functions across multiple industry sectors.
Replacement Considerations
Consult official Texas Instruments documentation for verified cross-reference part numbers. Ensure any substitute maintains identical pinout, voltage specifications, and functional characteristics. Verify that alternative components meet the same environmental and reliability standards required for the specific application environment.
