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SNJ54ALS191FK is listed in the Counter Dividers range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is BINARY COUNTER, ALS SERIES. Review the specifications below when checking this part for your BOM.
Counter Dividers specifications for SNJ54ALS191FK
- Description：BINARY COUNTER, ALS SERIES
- 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：-
Counter Dividers datasheet and documents for SNJ54ALS191FK
Counter Dividers Overview
The SNJ54ALS191FK is a synchronous four-bit up/down binary counter manufactured by Texas Instruments. It operates within the ALS logic series and supports bidirectional counting controlled by an up/down input. The device functions with a supply voltage range of 4.5V to 5.5V and is designed for military-grade reliability, indicated by the 'SNJ' prefix. It features a positive edge-triggered clock mechanism and includes a parallel load capability for data initialization.
Counter Dividers Feature Summary
- Synchronous four-bit binary counting architecture
- Bidirectional up/down operation capability
- Positive edge-triggered clock synchronization
Counter Dividers Applications
- Military-grade digital timing systems
- High-reliability industrial control counters
- Aerospace data processing units
Counter Dividers Procurement Notes
Verify the component authenticity through authorized distributors or direct manufacturer channels. Confirm the package type matches the required footprint, as variations exist between ceramic dual in-line packages. Ensure environmental specifications meet operational requirements due to the extended temperature range inherent in this series.
Counter Dividers Selection Notes
Select this component when military-grade reliability and high-speed ALS performance are required. It is suitable for applications needing precise synchronous counting with bidirectional control. Consider the specific package constraints and voltage tolerances during integration into existing circuit designs.
Counter Dividers Part Context
This part belongs to the Texas Instruments ALS (Advanced Low-power Schottky) family, known for improved speed and power consumption compared to standard TTL. The SNJ designation indicates a hermetically sealed ceramic package suitable for harsh environments, distinguishing it from commercial plastic variants.
Counter Dividers Replacement Considerations
Direct substitutes include other SNJ-series ALS counters such as the SNJ54ALS193. Verify pin compatibility and electrical characteristics before substitution. Cross-reference with LS series equivalents only if speed requirements allow.
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