74HC4059D,112

Counter Dividers Overview

The NXP USA Inc. 74HC4059D,112 is a high-speed Si-gate CMOS programmable divide-by-n counter in a 24-lead SO package. It supports synchronous down-counting with presettable JAM inputs for division ratios from 3 to 15,999. The device features four operating modes: timer, divide-by-n, divide-by-10,000, and master preset. It includes Schmitt-trigger clock input action for noise tolerance and latchable outputs. Maximum clock frequency is 40 MHz at 5V supply.

Counter Dividers Feature Summary

• Synchronous programmable divide-by-n counter with presettable down-counting capability
• Four distinct operating modes including timer, divider-by-n, divide-by-10,000, and master preset
• Schmitt-trigger action at the clock input for tolerance to slow rise and fall times
• Latchable output functionality controlled by the latch enable input

Counter Dividers Applications

• Frequency synthesizer circuits for VHF, UHF, FM, and AM communication systems
• Phase-locked-loop (PLL) subsystems utilizing compatible PLL ICs
• Fixed or programmable frequency division applications
• General purpose counting functions such as totalizers and time-out timers

Counter Dividers Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm package integrity and pin alignment against the SO24 outline specifications. Ensure compatibility with system voltage levels and signal timing requirements prior to integration. Review datasheet revisions for any updates to electrical characteristics or ordering information.

Counter Dividers Selection Notes

Select this component for designs requiring precise programmable frequency division within digital logic families. Consider the 74HCT variant if TTL-compatible input thresholds are necessary. Evaluate power dissipation constraints based on load capacitance and operating frequency. Ensure adequate thermal management for continuous operation within the specified temperature range.

Counter Dividers Part Context

This device belongs to the 74HC/HCT logic family, characterized by high-speed silicon-gate CMOS technology. It maintains pin compatibility with the legacy 4000B series while offering improved performance metrics. The component is designed for robust operation in industrial and commercial environments, supporting standard JEDEC specifications for digital integrated circuits.

Counter Dividers Replacement Considerations

The 74HC4059N serves as a DIP package alternative within the same functional family. Verify pinout consistency and electrical parameters when substituting packages. Ensure that mechanical mounting constraints and PCB layout requirements accommodate the specific package geometry of the replacement part.