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CD4518BE
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CD4518BE

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Binary Counter/Divider
  • Characteristics: High-speed operation, low power consumption
  • Package: DIP (Dual In-line Package)
  • Essence: CMOS Logic IC
  • Packaging/Quantity: Tube packaging, 25 pieces per tube

Specifications

  • Supply Voltage: 3V to 18V
  • Operating Temperature Range: -55°C to +125°C
  • Logic Family: CMOS
  • Number of Pins: 16
  • Logic Function: Counter/Divider
  • Counting Sequence: Up/Down
  • Maximum Count: 16

Detailed Pin Configuration

  1. CLK (Clock Input)
  2. MR (Master Reset)
  3. CARRY OUT (Carry Output)
  4. COUNT UP/DOWN (Up/Down Control Input)
  5. ENABLE (Enable Input)
  6. BINARY OUTPUT A
  7. BINARY OUTPUT B
  8. BINARY OUTPUT C
  9. BINARY OUTPUT D
  10. BINARY OUTPUT E
  11. BINARY OUTPUT F
  12. BINARY OUTPUT G
  13. BINARY OUTPUT H
  14. VSS (Ground)
  15. VDD (Positive Supply Voltage)
  16. NC (No Connection)

Functional Features

  • High-speed operation allows for efficient counting and dividing.
  • Low power consumption makes it suitable for battery-powered devices.
  • Up/Down control input enables flexible counting direction.
  • Master reset input allows for resetting the counter to a specific value.
  • Carry output provides an indication when the maximum count is reached.

Advantages and Disadvantages

Advantages

  • Versatile binary counter/divider with up/down functionality.
  • Wide supply voltage range allows for compatibility with various systems.
  • CMOS technology ensures low power consumption and high noise immunity.
  • Compact DIP package facilitates easy integration into circuit designs.

Disadvantages

  • Limited maximum count of 16 may not be sufficient for certain applications.
  • Lack of internal oscillator requires an external clock signal for operation.
  • Not suitable for high-frequency applications due to limited speed.

Working Principles

The CD4518BE is a CMOS logic IC that functions as a binary counter/divider. It operates based on the input clock signal provided to the CLK pin. The counter can count up or down depending on the state of the COUNT UP/DOWN pin. The MR pin allows for resetting the counter to a specific value. The binary outputs represent the current count in binary form. When the maximum count is reached, the CARRY OUT pin provides an output signal indicating this condition.

Detailed Application Field Plans

The CD4518BE is commonly used in various digital systems and applications, including:

  1. Frequency division circuits
  2. Time delay generators
  3. Event counters
  4. Industrial automation systems
  5. Electronic games and toys
  6. Automotive electronics
  7. Communication equipment
  8. Medical devices
  9. Consumer electronics

Detailed and Complete Alternative Models

  1. CD4518BEE4: Enhanced version with extended temperature range (-55°C to +125°C)
  2. CD4518BCN: Ceramic DIP package variant for higher reliability
  3. CD74HC4018E: High-speed CMOS alternative with a maximum count of 256
  4. CD4029BE: Presettable up/down counter with a maximum count of 15

(Note: This list is not exhaustive and other alternative models may exist.)

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von CD4518BE in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of CD4518BE in technical solutions:

  1. Q: What is CD4518BE? A: CD4518BE is a CMOS dual BCD up-counter IC (integrated circuit) that can be used in various digital applications.

  2. Q: What is the maximum operating voltage for CD4518BE? A: The maximum operating voltage for CD4518BE is typically 18 volts.

  3. Q: How many counter stages does CD4518BE have? A: CD4518BE has two counter stages, allowing it to count up to 99.

  4. Q: Can CD4518BE count down as well? A: No, CD4518BE is an up-counter and cannot count down. It only counts upwards.

  5. Q: What is the clock input frequency range for CD4518BE? A: The clock input frequency range for CD4518BE is typically between 0 Hz and 6 MHz.

  6. Q: How can I reset the counter in CD4518BE? A: The counter in CD4518BE can be reset by applying a high signal to the reset pin (RST).

  7. Q: Can CD4518BE be cascaded to increase the counting range? A: Yes, multiple CD4518BE ICs can be cascaded together to increase the counting range beyond 99.

  8. Q: What is the power supply voltage range for CD4518BE? A: The power supply voltage range for CD4518BE is typically between 3 volts and 18 volts.

  9. Q: Does CD4518BE have any built-in debounce circuitry? A: No, CD4518BE does not have any built-in debounce circuitry. External debouncing may be required for noisy input signals.

  10. Q: What are some common applications of CD4518BE? A: CD4518BE is commonly used in digital counters, frequency dividers, timers, and other applications that require counting functionality.

Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.