NXP 74LV4060D,118: A Comprehensive Technical Overview of the 14-Stage Ripple-Carry Binary Counter/Divider and Oscillator IC
The NXP 74LV4060D,118 is a highly integrated monolithic device that combines a 14-stage ripple-carry binary counter and an internal oscillator into a single package. As part of the 74LV family, it is designed for low-voltage operation, typically at 2.0V to 5.5V, making it exceptionally suited for modern battery-powered and portable electronic applications where power efficiency is critical.
At the core of this IC's functionality is its oscillator circuit. It is designed to be used with an external resistor (R_ext) connected between Pin 11 and Pin 10, and an external capacitor (C_ext) connected between Pin 10 and Pin 9. The frequency of oscillation is primarily determined by the values of these external RC components. This built-in oscillator eliminates the need for an external clock source, simplifying circuit design and reducing component count. The oscillator signal is then fed internally into the 14-stage binary ripple counter.
The counter section consists of 14 master-slave flip-flops, which are connected in a ripple configuration. This means that each flip-flop triggers the next one in the sequence, with a propagation delay between stages. The counter divides the input clock frequency (f_osc) by a factor of 2^n at each of its output pins. It provides access to 10 of these divided outputs (Q4 to Q9 and Q11 to Q13), offering division ratios from 16 (2^4) up to a massive 16,384 (2^14). Notably, the Q1, Q2, Q3, and Q10 outputs are not externally available to maintain pin efficiency on the 16-pin package. A Master Reset (MR, active HIGH) function is provided on Pin 12. When a logic HIGH signal is applied to MR, it asynchronously clears all counter stages to zero, providing immediate control over the counting cycle.
A key feature of the 74LV series, including this device, is its low power consumption. This is achieved through its low-voltage CMOS technology, which significantly reduces static and dynamic power dissipation compared to its older 5V HC/HCT counterparts. Furthermore, the IC features balanced propagation delays and a high noise immunity characteristic of CMOS technology, ensuring reliable operation in electrically noisy environments.
The 74LV4060D,118 is supplied in a standard SO16 package, which is suitable for automated PCB assembly. Its primary applications are diverse, including:
Timing and Clock Generation: Creating precise time delays and low-frequency clock signals from a higher-frequency crystal or RC oscillator.
Frequency Division: Down-converting a known clock frequency to numerous lower frequencies for use in digital systems.
Event Counting: Tallying a number of events or pulses in industrial control systems.
Programmable Frequency Synthesizers: Serving as a core component in circuits that generate a range of frequencies from a single reference.
ICGOOFind: The NXP 74LV4060D,118 is an exceptionally versatile and efficient solution for timing, frequency division, and clock generation tasks. Its integration of an on-chip oscillator with a high-division-ratio counter, combined with the benefits of low-voltage operation and low power consumption, makes it an indispensable component for designers of modern portable and power-sensitive electronic products.
Keywords:
1. Low-Voltage CMOS
2. RC Oscillator
3. Frequency Divider
4. Ripple Counter
5. 14-Stage Binary
