Specifications
| Attribute | Value |
| Package / Case | Bulk,Tube |
| Series | 4000B |
| Part Status | Active |
| Logic Type | BCD Counter |
| Direction | Up |
| Number of Elements | 2 |
| Number of Bits per Element | 4 |
| Reset | Asynchronous |
| Timing | Synchronous |
| Count Rate | 8 MHz |
| Trigger Type | Positive, Negative |
| Voltage - Supply | 3 V ~ 18 V |
| Operating Temperature | -55°C ~ 125°C |
| Mounting Type | Through Hole |
Overview
Description
The CD4518BE is a dual BCD (Binary-Coded Decimal) up-counter IC from the CD4000 series, manufactured by Texas Instruments and others. It features two independent 4-bit counters, which are useful in digital applications where counting or dividing of electronic pulses is required. The device can operate with a wide supply voltage range from 3V to 15V and is known for low power consumption, typical of CMOS technology.
Key features include:
- Each counter can be configured independently and is capable of counting from 0 to 9 (BCD format).
- Asynchronous reset input allows the counters to be reset to zero, enabling rapid restart.
- Outputs are TTL-compatible, ensuring easy interfacing with other logic families.
- The device can be cascaded with additional counters to handle longer counting sequences beyond single-digit applications.
Common applications for the CD4518BE include digital clocks, frequency division tasks, event counting, and as a component in complex timing circuits. Its robustness and versatility make it a popular choice in both educational and professional electronics projects.
Key features include:
- Each counter can be configured independently and is capable of counting from 0 to 9 (BCD format).
- Asynchronous reset input allows the counters to be reset to zero, enabling rapid restart.
- Outputs are TTL-compatible, ensuring easy interfacing with other logic families.
- The device can be cascaded with additional counters to handle longer counting sequences beyond single-digit applications.
Common applications for the CD4518BE include digital clocks, frequency division tasks, event counting, and as a component in complex timing circuits. Its robustness and versatility make it a popular choice in both educational and professional electronics projects.
Equivalent
The CD4518BE is a dual BCD (Binary-Coded Decimal) counter IC. Equivalent products include:
1. HEF4518B
2. MC14518B
3. NTE4518B
4. TC4518BP
These chips have similar functionality and can generally be used as substitutes, but always check the datasheet for compatibility in terms of pin configuration and electrical characteristics.
1. HEF4518B
2. MC14518B
3. NTE4518B
4. TC4518BP
These chips have similar functionality and can generally be used as substitutes, but always check the datasheet for compatibility in terms of pin configuration and electrical characteristics.
Features
The CD4518BE is a dual BCD (Binary-Coded Decimal) counter IC from the 4000 series of CMOS logic chips. It features two separate 4-bit counters, each capable of counting from 0 to 9 in binary-coded decimal format. Key features include:
1. Wide Operating Voltage Range: It operates from 3V to 15V, making it suitable for various applications.
2. Low Power Consumption: The CMOS technology ensures low static power dissipation.
3. High Noise Immunity: Provides robustness against noise, enhancing reliability in digital circuits.
4. Individual Clock Inputs: Each counter has its own clock input, allowing independent counting.
5. Asynchronous Reset: Each counter can be reset to zero individually using asynchronous reset inputs.
6. Cascade Operation: The counters can be cascaded for counting operations beyond a single digit.
7. Fully Static Operation: No clock frequency restrictions due to static design.
8. Output Capability: Outputs are compatible with TTL, allowing easy interfacing with other logic families.
These features make the CD4518BE ideal for use in digital clocks, calculators, and other counting applications.
1. Wide Operating Voltage Range: It operates from 3V to 15V, making it suitable for various applications.
2. Low Power Consumption: The CMOS technology ensures low static power dissipation.
3. High Noise Immunity: Provides robustness against noise, enhancing reliability in digital circuits.
4. Individual Clock Inputs: Each counter has its own clock input, allowing independent counting.
5. Asynchronous Reset: Each counter can be reset to zero individually using asynchronous reset inputs.
6. Cascade Operation: The counters can be cascaded for counting operations beyond a single digit.
7. Fully Static Operation: No clock frequency restrictions due to static design.
8. Output Capability: Outputs are compatible with TTL, allowing easy interfacing with other logic families.
These features make the CD4518BE ideal for use in digital clocks, calculators, and other counting applications.
Pinout
The CD4518BE is a dual BCD (Binary-Coded Decimal) counter IC that comes in a 16-pin dual in-line package (DIP). It contains two separate BCD counters, allowing it to count from 0 to 9 in binary format. Here is a concise breakdown of the pin functions:
1. VSS (Pin 8): Ground connection.
2. VDD (Pin 16): Positive supply voltage.
3. Counter 1 Inputs and Outputs:
- CLK1 (Pin 1): Clock input for the first counter.
- EN1 (Pin 2): Enable input for the first counter.
- R1 (Pin 3): Reset input for the first counter.
- Q1 to Q4 (Pins 6, 11, 10, 7): BCD outputs for the first counter.
4. Counter 2 Inputs and Outputs:
- CLK2 (Pin 15): Clock input for the second counter.
- EN2 (Pin 10): Enable input for the second counter.
- R2 (Pin 9): Reset input for the second counter.
- Q5 to Q8 (Pins 5, 4, 13, 12): BCD outputs for the second counter.
The CD4518BE is commonly used in digital electronics for tasks like frequency division and event counting.
1. VSS (Pin 8): Ground connection.
2. VDD (Pin 16): Positive supply voltage.
3. Counter 1 Inputs and Outputs:
- CLK1 (Pin 1): Clock input for the first counter.
- EN1 (Pin 2): Enable input for the first counter.
- R1 (Pin 3): Reset input for the first counter.
- Q1 to Q4 (Pins 6, 11, 10, 7): BCD outputs for the first counter.
4. Counter 2 Inputs and Outputs:
- CLK2 (Pin 15): Clock input for the second counter.
- EN2 (Pin 10): Enable input for the second counter.
- R2 (Pin 9): Reset input for the second counter.
- Q5 to Q8 (Pins 5, 4, 13, 12): BCD outputs for the second counter.
The CD4518BE is commonly used in digital electronics for tasks like frequency division and event counting.
Manufacturer
The CD4518BE is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is widely known for its extensive range of electronic components and is one of the largest producers of analog chips and embedded processors. TI's products are used in a variety of electronic devices, spanning sectors such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company is recognized for its innovation and extensive contributions to the electronics and technology industry.
Application
The CD4518BE is a dual BCD (Binary-Coded Decimal) counter IC commonly used in digital electronics applications. Its primary application areas include:
1. Digital Clocks: Used for time-keeping and counting seconds, minutes, and hours.
2. Frequency Counters: Measures frequency by counting input pulses.
3. Event Counters: Tracks occurrences of specific events.
4. Decimal Counters: Converts binary data to decimal for display or processing.
5. Digital Meters: Used in digital voltmeters and multimeters for accurate readings.
6. Sequential Timers and Alarm Systems: Controls sequences based on counting operations.
These applications leverage its ability to count and manage binary-coded decimal data efficiently.
1. Digital Clocks: Used for time-keeping and counting seconds, minutes, and hours.
2. Frequency Counters: Measures frequency by counting input pulses.
3. Event Counters: Tracks occurrences of specific events.
4. Decimal Counters: Converts binary data to decimal for display or processing.
5. Digital Meters: Used in digital voltmeters and multimeters for accurate readings.
6. Sequential Timers and Alarm Systems: Controls sequences based on counting operations.
These applications leverage its ability to count and manage binary-coded decimal data efficiently.
Package
The CD4518BE is a dual BCD up-counter IC typically available in a 16-pin dual in-line package (DIP). This package type is commonly used for through-hole mounting on printed circuit boards.
