SN74HC4040NSR

Introduction

The SN74HC4040NSR is a 12-stage binary ripple counter integrated circuit (IC) produced by Texas Instruments (TI). It is a synthesizer stage counter that uses logic switches, diodes, resistors, capacitors, and other components to count in binary at a rate determined by an external oscillator. The SN74HC4040NSR is part of the SN74HC4000 series, a general-purpose, high-speed, CMOS logic family with low power consumption levels.

Application Field

The SN74HC4040NSR is commonly used to implement frequency divisions in clock generation, frequency detection, and pulse rate measurements. It can also be employed to control sequential logic circuits in industrial automation, consumer electronics, and communication systems. Additionally, the device can be used to construct modulo-N counters and dividers for a variety of instrumentation and consumer applications.

Working Principle

A binary ripple counter is defined as a synchronous circuit that uses a chain of flip-flops connected so that the rising edge of the output of each flip-flop triggers the next flip-flop. All but the last flip-flop are connected to the same clock, while the last one is connected to the output of the preceding flip-flop, thus forming the clock chain. The SN74HC4040NSR has twelve such flip-flops and counts in binary up to 212 -1 or 4,095. The time required to count one cycle is equal to the time passed between two rising edges of the external clock input.

Conclusion

The SN74HC4040NSR is a 12-stage binary ripple counter used to divide frequency cycles, detect frequencies, and measure pulse rates. It is a logical integrated circuit produced by TI and has a range of applications in industrial automation, consumer electronics, and communication systems. The SN74HC4040NSR works by employing a chain of flip-flops to count in binary from 0 to 4,095 and requires an external oscillator.