74HCT4020D,653

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Binary Counter
• Characteristics: High-speed operation, low power consumption
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: 14-stage ripple-carry binary counter/divider and oscillator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.0V to 6.0V
• Operating Temperature Range: -40°C to +125°C
• Maximum Clock Frequency: 25 MHz
• Number of Stages: 14
• Output Type: CMOS

Detailed Pin Configuration

1. VCC - Power supply voltage
2. GND - Ground
3. MR - Master Reset input
4. CP - Clock Pulse input
5. Q12-Q4 - Outputs of the counter stages
6. Q13 - Carry output
7. Q14 - Ripple clock output

Functional Features

• Asynchronous master reset for clearing the counter
• Synchronous counting on positive clock edges
• Ripple carry output for cascading multiple counters
• Oscillator function with external RC network

Advantages

• High-speed operation allows for quick counting applications
• Low power consumption makes it suitable for battery-powered devices
• Wide supply voltage range provides flexibility in different systems
• Small package size saves board space

Disadvantages

• Limited number of stages may not be sufficient for complex applications
• Lack of built-in error detection or correction mechanisms

Working Principles

The 74HCT4020D,653 is a 14-stage ripple-carry binary counter/divider and oscillator. It operates by counting the number of clock pulses applied to the CP pin. The counter can be cleared to zero using the MR pin. The Q12-Q4 pins provide the binary outputs of the counter stages, while the Q13 pin acts as a carry output. The Q14 pin generates a ripple clock output for cascading multiple counters.

The IC also features an oscillator function when an external resistor (R) and capacitor (C) network is connected to the CP pin. This allows the device to generate clock pulses internally, eliminating the need for an external clock source.

Detailed Application Field Plans

• Frequency division: The 74HCT4020D,653 can be used to divide the frequency of an input signal by a factor of 2^14, making it suitable for applications such as clock generation or frequency scaling.
• Event counting: The IC can count the number of events occurring within a given time period, enabling applications like event timers or pulse counters.
• Digital systems: It can be utilized in digital systems for tasks like address decoding, data synchronization, or state machine control.

Detailed and Complete Alternative Models

• CD4020BE: Similar 14-stage ripple-carry binary counter/divider from Texas Instruments
• MC14020B: Binary counter/divider with similar functionality from ON Semiconductor
• SN74HC4020N: High-speed CMOS counter/divider from Texas Instruments

Note: These alternative models may have slight variations in specifications and pin configuration.

This entry provides an overview of the 74HCT4020D,653 integrated circuit, including its basic information, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.