SN74HC193DT

Counter Dividers Overview

The SN74HC193DT is a 4-bit synchronous reversible up/down binary counter manufactured by Texas Instruments. It operates within a supply voltage range of 2 V to 6 V and supports an operating temperature range of -40°C to 85°C. The device features asynchronous clear, parallel asynchronous load for modulo-N counting, and look-ahead circuitry for cascading without external logic. It utilizes a 16-pin SOIC (D) package.

Counter Dividers Feature Summary

• Synchronous operation eliminates output counting spikes associated with asynchronous counters
• Parallel asynchronous load capability enables programmable count lengths
• Look-ahead circuitry facilitates easy cascading of multiple counters

Counter Dividers Applications

• Modulo-N frequency division circuits
• Cascaded multi-stage digital counting systems
• Programmable timing and control sequences

Counter Dividers Procurement Notes

Verify the specific ordering suffix DT corresponds to the SOIC-16 package and standard commercial temperature range (-40°C to 85°C). Confirm RoHS compliance status and lead finish specifications against the latest TI Package Option Addendum prior to finalizing procurement orders.

Counter Dividers Selection Notes

Select this component when synchronous bidirectional counting is required in industrial or commercial environments. Ensure the design accommodates the specified input transition rise/fall times to prevent double clocking. Verify that the load capacitance requirements align with the system's driving capabilities.

Counter Dividers Part Context

This part belongs to the SN74HC193 family of 4-bit synchronous reversible counters. It shares functional compatibility with other HC series variants but differs in packaging and thermal characteristics. The DT suffix specifically denotes the SOIC surface-mount package configuration.

Counter Dividers Replacement Considerations

• SN74HC193DR

Counter Dividers FAQ

How does the SN74HC193DT handle cascading?

It uses dedicated carry (CO) and borrow (BO) outputs with look-ahead circuitry to connect directly to the UP and DOWN inputs of subsequent counters without external logic.

What is the function of the LOAD input?

The LOAD input allows parallel asynchronous loading of data into the flip-flops, enabling the counter to be preset to any value for modulo-N applications.