HEF40193BT,653

Counter Dividers Overview

The HEF40193BT,653 is a 4-bit synchronous up/down binary counter manufactured by NXP Semiconductors. It features separate count-up (CPU) and count-down (CPD) clock inputs, an asynchronous parallel load input (PL), and an asynchronous master reset input (MR). The device provides four buffered outputs (Q0 to Q3) and active LOW terminal count outputs for carry (TCU) and borrow (TCD). It operates on a recommended supply voltage range of 3 V to 15 V referenced to ground.

Counter Dividers Feature Summary

• Fully static operation with standardized symmetrical output characteristics
• Asynchronous parallel load capability for immediate data entry
• Separate edge-triggered clock inputs for independent up or down counting
• Compliant with JEDEC standard JESD 13-B

Counter Dividers Applications

• Up/down difference counting
• Multistage ripple counting
• Multistage synchronous counting

Counter Dividers Procurement Notes

Verify the specific ordering suffix matches the required package type. Confirm that the component meets the specified ambient temperature operating range for the intended environment. Ensure unused inputs are properly terminated to VDD, VSS, or another input as per the general description guidelines.

Counter Dividers Selection Notes

Select this component when a synchronous 4-bit bidirectional counter is required. Consider the SO16 plastic small outline package for surface mount applications. Evaluate the propagation delay specifications against the system timing requirements at the target supply voltage.

Counter Dividers Part Context

This part belongs to the HEF40193B logic family, which includes variants such as the DIP16 package version. It is designed for general-purpose digital counting applications within the 4000 series logic standards. The device integrates static toggle flip-flops to maintain state without continuous clocking.

Counter Dividers Replacement Considerations

HEF40193BP serves as a direct pin-compatible alternative in a dual in-line package.