MC14520B

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MC14520B

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DUAL BCD UP COUNTER

  • HerstellerOnsemi

  • Herstellerteil #MC14520B

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Übersicht

Description

The MC14520B is a dual binary up-counter integrated circuit from the MC14500 series, designed for use in digital electronics applications. It consists of two separate 4-bit counters, each capable of counting from 0 to 15 (binary 0000 to 1111). This IC is built using CMOS technology, which provides high noise immunity and low power consumption.
Key features of the MC14520B include:
1. Dual Counters: It has two independent 4-bit counters, allowing for versatile counting applications.
2. Binary Counting: Each counter can count in binary from 0000 to 1111.
3. Clock Input: A clock input for each counter allows for synchronization with other digital circuits.
4. Reset Function: Each counter has a reset input to clear the count to zero.
5. Cascadable: Multiple MC14520B ICs can be connected for extended counting ranges.
6. Wide Operating Voltage: Typically operates within a voltage range of 3V to 18V, making it suitable for various applications.
7. Applications: Commonly used in digital clocks, frequency dividers, and event counters.
Its robust functionality makes it a valuable component in digital systems requiring counting operations.

Equivalent

The MC14520B is a dual 4-stage binary ripple counter IC. Equivalent products would include CD4520 from Texas Instruments, NTE4520 from NTE Electronics, and HEF4520B from NXP Semiconductors. These alternatives typically offer similar functionality and pin compatibility, making them suitable replacements in most applications. Always check the specific datasheet to ensure compatibility with your specific requirements.

Features

The MC14520B is a dual binary up counter, designed for general-purpose counting applications. It features two independent 4-bit counters, each capable of counting from 0 to 15. Key features include:
1. Dual 4-Bit Counters: Two separate 4-bit counters that can operate independently or be cascaded for extended counting capabilities.
2. Binary Counting: Operates in binary mode up to a count of 15 (4 bits).
3. Asynchronous Reset: Each counter section has an independent asynchronous reset to immediately reset the count to zero.
4. Clock Input: Each counter has its own clock input, allowing independent or simultaneous clocking.
5. Expandable: Counters can be cascaded to create larger counting sequences.
6. High-Speed Operation: Capable of operating at high speeds suitable for a wide range of applications.
7. Power Supply Range: Typically operates at standard logic levels.
8. Low Power Consumption: Engineered for low power usage, making it efficient for battery-operated devices.
These features make the MC14520B suitable for applications requiring reliable and versatile counting solutions, such as frequency division or event counting.

Pinout

The MC14520B is a dual binary counter integrated circuit with a 16-pin configuration. It consists of two independent 4-bit binary counters, each with its own clock input, reset (clear) input, and carry-out output. The pin functions are as follows:
1. VDD: Power supply positive voltage.
2. Q1A - Q4A (Pins 2, 3, 4, 5): Outputs for the first counter.
3. CLKA (Pin 6): Clock input for the first counter.
4. RSTA (Pin 7): Reset input for the first counter.
5. Q1B - Q4B (Pins 10, 11, 12, 13): Outputs for the second counter.
6. CLKB (Pin 9): Clock input for the second counter.
7. RSTB (Pin 8): Reset input for the second counter.
8. CARRY OUT A (Pin 14): Carry-out for the first counter.
9. CARRY OUT B (Pin 15): Carry-out for the second counter.
10. VSS (Pin 16): Ground.
The MC14520B is used in digital circuits for counting applications, delivering reliable performance in counters, timers, and dividers.

Manufacturer

The MC14520B is manufactured by ON Semiconductor, which is now known as onsemi. onsemi is a semiconductor manufacturing company that focuses on intelligent power and sensing technologies. It designs and produces a wide range of semiconductor components, including power management solutions, sensors, and custom devices for various industries such as automotive, industrial, communications, computing, and consumer electronics. The MC14520B itself is a binary counter, part of onsemi's portfolio of integrated circuits used in digital applications.

Application

The MC14520B is a dual binary counter often used in applications requiring frequency division or event counting. Common application areas include digital clocks, timers, frequency counters, and phase-locked loops. It is also utilized in digital systems for sequence generation and as a divide-by-n counter. Additionally, it can serve as a basic building block in digital signal processing and microcontroller-based projects where counting and timing functions are essential. Its ability to interface with other digital components makes it suitable for various consumer electronics, communication devices, and industrial automation systems.

Package

The MC14520B is typically available in a dual in-line package (DIP) and small-outline integrated circuit package (SOIC). These packages are used for housing the integrated circuit and allow for easy mounting on printed circuit boards.

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