Encyclopedia Entry: 74VHC4040MTCX

Product Overview

Category

The 74VHC4040MTCX belongs to the category of integrated circuits (ICs) and specifically falls under the family of high-speed CMOS logic devices.

Use

This IC is primarily used as a binary counter in various digital applications. It can be employed to count binary numbers and generate precise timing signals.

Characteristics

• High-speed operation: The 74VHC4040MTCX is designed to operate at high clock frequencies, making it suitable for time-critical applications.
• Low power consumption: This IC consumes minimal power, making it energy-efficient.
• Wide supply voltage range: It can operate within a wide range of supply voltages, typically between 2V and 5.5V.
• Schmitt-trigger inputs: The IC features Schmitt-trigger inputs that provide hysteresis, ensuring noise immunity and reliable operation.
• Small package size: The 74VHC4040MTCX is available in a compact TSSOP-16 package, which saves board space.

Package and Quantity

The 74VHC4040MTCX is packaged in a TSSOP-16 package. Each package contains one IC.

Specifications

• Supply Voltage Range: 2V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Clock Frequency: 100 MHz
• Number of Stages: 12
• Propagation Delay: 7 ns (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The 74VHC4040MTCX has a total of 16 pins, numbered from 1 to 16. The pin configuration is as follows:

Pin 1: Q12 Pin 2: Q11 Pin 3: Q10 Pin 4: Q9 Pin 5: Q8 Pin 6: Q7 Pin 7: GND Pin 8: Q6 Pin 9: Q5 Pin 10: Q4 Pin 11: Q3 Pin 12: Q2 Pin 13: Q1 Pin 14: MR (Master Reset) Pin 15: CP (Clock Pulse) Pin 16: VCC (Supply Voltage)

Functional Features

The 74VHC4040MTCX offers the following functional features:

• Binary Counter: It can count binary numbers from 0 to 4095.
• Master Reset (MR): The MR pin allows resetting the counter to zero.
• Clock Pulse (CP): The CP pin receives clock pulses, which increment the counter.
• Ripple Carry Output: The IC provides a ripple carry output (Q12) that can be used for cascading multiple counters.

Advantages and Disadvantages

Advantages

• High-speed operation enables precise timing in time-critical applications.
• Low power consumption makes it energy-efficient.
• Wide supply voltage range allows compatibility with various systems.
• Schmitt-trigger inputs ensure reliable operation in noisy environments.
• Compact package size saves board space.

Disadvantages

• Limited number of stages (12) may not be sufficient for certain applications requiring larger counters.
• Propagation delay of 7 ns may introduce slight timing inaccuracies in highly demanding applications.

Working Principles

The 74VHC4040MTCX operates as a synchronous binary counter. It counts binary numbers by incrementing its internal state on each clock pulse received at the CP pin. The counter can be reset to zero using the MR pin. The output pins (Q1-Q12) represent the binary count, with Q12 being the most significant bit.

Application Field Plans

The 74VHC4040MTCX finds applications in various fields, including:

1. Digital Clocks: It can be used as a component in digital clock circuits to generate precise timekeeping signals.
2. Frequency Dividers: The IC can divide high-frequency signals down to lower frequencies, useful in frequency synthesis and modulation circuits.
3. Data Communication Systems: It can be employed in data communication systems for synchronization purposes.
4. Industrial Automation: The IC can be utilized in industrial automation systems for timing and control functions.
5. Embedded Systems: It finds application in embedded systems where accurate timing is crucial.

Alternative Models

Several alternative models are available that offer similar functionality to the 74VHC4040MTCX. Some notable alternatives include:

• CD4040BE: This IC from Texas Instruments offers a 12-stage binary counter with similar specifications.
• MC14040B: Manufactured by ON Semiconductor, this IC provides a 12