MC74HC4040ADR2G

Product Overview

• Category: Integrated Circuit (IC)
• Use: Counter/Divider
• Characteristics: High-Speed, CMOS Logic, 12-Stage Binary Ripple Counter
• Package: SOIC-16
• Essence: The MC74HC4040ADR2G is a high-speed CMOS logic IC that functions as a 12-stage binary ripple counter. It is commonly used in digital electronics for counting and dividing signals.
• Packaging/Quantity: The MC74HC4040ADR2G is available in a standard SOIC-16 package and is typically sold in reels of 2500 units.

Specifications

• Supply Voltage: 2V to 6V
• Logic Family: HC
• Number of Stages: 12
• Maximum Clock Frequency: 50MHz
• Propagation Delay: 13ns
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MC74HC4040ADR2G has a total of 16 pins arranged as follows:

__ __ Q4 |1 \__/ 16| VCC Q3 |2 15| Q5 Q2 |3 14| Q6 Q1 |4 13| Q7 Q0 |5 4040 12| Q8 GND |6 11| Q9 CLK |7 10| Q10 MR |8 9| Q11 ----------

Functional Features

• The MC74HC4040ADR2G is a 12-stage binary ripple counter with a built-in oscillator and reset function.
• It can count up to 4096 (2^12) different states.
• The counter advances on the rising edge of the clock signal.
• It has a master reset (MR) input that allows resetting the counter to its initial state.
• The output stages are buffered, allowing direct drive of high-capacitance loads.

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient counting and dividing of signals.
• CMOS logic ensures low power consumption.
• Wide operating voltage range (2V to 6V) provides flexibility in various applications.
• Buffered outputs enable driving of high-capacitance loads.

Disadvantages

• The ripple counter design may introduce propagation delays between stages, limiting the maximum clock frequency.
• Limited number of stages (12) compared to other counters available in the market.

Working Principles

The MC74HC4040ADR2G operates based on the principle of binary counting. Each stage represents a bit, and the counter advances by one on each rising edge of the clock signal. When the counter reaches its maximum value (4095), it rolls over to zero and starts counting again.

The master reset (MR) input allows resetting the counter to its initial state. When MR is activated, all outputs are set to zero.

Detailed Application Field Plans

The MC74HC4040ADR2G can be used in various applications, including:

1. Frequency Division: The counter can divide an input clock signal by a factor of 4096, generating a lower-frequency output signal.
2. Time Delay Generation: By using the counter with an appropriate clock source, precise time delays can be achieved.
3. Event Sequencing: The counter can be used to sequence events or control the timing of operations in digital systems.
4. Address Generation: In memory systems, the counter can be used to generate addresses for accessing specific memory locations.

Detailed and Complete Alternative Models

• CD4040BE: 12-Stage Ripple Carry Binary Counter
• SN74HC4040N: High-Speed CMOS Logic 12-Stage Binary Ripple Counter
• HEF4040BP: 12-Stage Binary Ripple Counter

These alternative models offer similar functionality and can be used as replacements for the MC74HC4040ADR2G in various applications.

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