SN74LS193MEL

Counter Dividers Overview

The SN74LS193MEL is a 4-bit synchronous up/down binary counter manufactured by onsemi. It operates within a supply voltage range of 4.75 V to 5.25 V and supports a maximum count rate of 32 MHz. The device features independent up and down clock inputs with positive edge triggering, allowing for bidirectional counting operations. It includes dedicated preset inputs for parallel data loading and separate carry/borrow outputs for cascading multiple units. Packaged in a surface-mount TSSOP-14 outline, it provides reliable digital counting functionality for high-speed logic applications.

Counter Dividers Feature Summary

• Supports synchronous 4-bit binary up and down counting operations
• Features independent positive edge-triggered up and down clock inputs
• Enables parallel data loading via dedicated preset inputs
• Provides carry and borrow outputs for multi-stage cascading

Counter Dividers Applications

• Digital frequency division circuits
• Time base generation systems
• Cascaded counter arrays for extended bit-width counting

Counter Dividers Procurement Notes

Verify the manufacturer designation carefully, as the part number prefix 'SN' typically indicates Texas Instruments origin, while this listing attributes it to onsemi. Confirm the specific package type and pinout compatibility with your design requirements. Ensure the component meets the required operating temperature range and electrical specifications for your application environment before finalizing procurement decisions.

Counter Dividers Selection Notes

Select this component when a 4-bit synchronous binary counter with independent up/down control is required. It is suitable for designs needing parallel load capabilities and cascading options. Consider the TSSOP-14 package constraints for PCB layout. Verify signal integrity at the specified 32 MHz maximum count rate to ensure proper operation within the 4.75 V to 5.25 V supply voltage window.

Counter Dividers Part Context

This component belongs to the standard 74LS series logic family, known for low-power Schottky TTL performance. It serves as a fundamental building block for sequential logic circuits requiring precise binary counting. The device complements other 74-series logic components by providing scalable counting functions through its carry and borrow output terminals.

Counter Dividers Replacement Considerations

Direct substitutes include the SN74LS193N from Texas Instruments or equivalent generic 74LS193 variants. Verify pin compatibility and electrical characteristics match the original specifications. Alternative packages such as DIP-16 may require adapter solutions if surface-mount form factors are not feasible.