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Product Detailed Parameters
- Description：4BIT SYNC UP/DWN 3-STATE OUTPUTS
- Series：*
- Mfr：Rochester Electronics, LLC
- 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 25LS2569FM/B is a four-bit synchronous up/down counter manufactured by Rochester Electronics, LLC. This integrated circuit features three-state outputs, allowing for direct bus interfacing without additional buffering. The device operates as a synchronous counter, meaning all flip-flops change state simultaneously with the clock signal. It supports both counting up and counting down operations based on control inputs. The component is designed for digital logic applications requiring reliable binary counting functions.
Feature Summary
- Four-bit synchronous counting capability
- Up/Down direction control functionality
- Three-state output drivers for bus compatibility
Applications
- Digital frequency division circuits
- Synchronous binary counters in logic systems
- Timing sequence generation modules
Procurement Notes
Verify the manufacturer designation as Rochester Electronics, LLC, which often indicates a sourced or surplus version of original semiconductor products. Confirm the package type matches your board layout requirements. Ensure the three-state output specifications align with your system voltage levels. Check RoHS compliance status if required for your manufacturing standards. Validate the part number suffix to confirm specific electrical characteristics.
Selection Notes
Select this component when a compact four-bit synchronous counter with tri-state outputs is required. It is suitable for designs needing bidirectional counting (up/down) controlled by a single input. Consider the synchronous nature for timing-critical applications where ripple delay must be avoided. Verify that the logic family voltage and current requirements match the target system environment.
Part Context
This part belongs to the category of logic counters and dividers. It is a discrete integrated circuit used in digital electronics. Rochester Electronics typically sources and distributes components from various manufacturers, including legacy parts. The device serves as a fundamental building block for sequential logic circuits.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Consult official datasheets for compatible equivalents from other manufacturers. Ensure functional pinouts and electrical parameters match before substitution.
