Texas Instruments
Kuva saattaa olla esitys.
Katso tuotteen tekniset tiedot.
CD4028BPWR
Näytä Yksityiskohdat DataSheets

CD4028BPWR

Product Overview

Category

CD4028BPWR belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronics for various applications such as counting, decoding, and multiplexing.

Characteristics

  • Low power consumption
  • High-speed operation
  • Wide operating voltage range
  • Compact size
  • Easy integration with other components

Package

CD4028BPWR is available in a small outline package (SOIC) with a pin count of 16.

Essence

The essence of CD4028BPWR lies in its ability to perform BCD-to-decimal decoding and counting functions efficiently.

Packaging/Quantity

CD4028BPWR is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Supply Voltage: 3V to 18V
  • Input Voltage: 0V to VDD
  • Operating Temperature Range: -40°C to +85°C
  • Output Current: ±6mA
  • Propagation Delay Time: 60ns (max)
  • Power Dissipation: 500mW (max)

Detailed Pin Configuration

  1. A
  2. B
  3. C
  4. D
  5. LT (Latch Enable)
  6. ENP (Enable Parallel)
  7. ENT (Enable Count)
  8. GND (Ground)
  9. Q0 (Output 0)
  10. Q1 (Output 1)
  11. Q2 (Output 2)
  12. Q3 (Output 3)
  13. VDD (Supply Voltage)
  14. RCO (Ripple Carry Output)
  15. MR (Master Reset)
  16. NC (No Connection)

Functional Features

  • BCD-to-decimal decoding
  • 4-bit binary counter
  • Latch enable for holding the output
  • Parallel enable for parallel loading of data
  • Count enable for initiating counting operation
  • Ripple carry output for cascading multiple ICs

Advantages and Disadvantages

Advantages

  • Low power consumption makes it suitable for battery-powered devices.
  • High-speed operation allows for quick processing of signals.
  • Wide operating voltage range provides flexibility in various applications.
  • Compact size enables space-efficient circuit designs.
  • Easy integration with other components simplifies system development.

Disadvantages

  • Limited number of outputs restricts the range of applications.
  • Propagation delay time may affect timing-sensitive operations.
  • Requires careful handling to prevent damage due to static electricity.

Working Principles

CD4028BPWR operates based on BCD-to-decimal decoding and counting principles. It takes a 4-bit binary input and converts it into a corresponding decimal output. The latch enable, parallel enable, and count enable pins control the functioning of the IC. The ripple carry output allows for cascading multiple ICs to achieve higher counting ranges.

Detailed Application Field Plans

CD4028BPWR finds applications in various fields, including: 1. Digital counters and timers 2. Frequency dividers 3. Data multiplexing 4. Address decoding 5. Seven-segment display drivers

Detailed and Complete Alternative Models

Some alternative models to CD4028BPWR are: 1. CD4028BE: DIP package version 2. CD74HC4028E: High-speed CMOS version 3. SN74LS28N: Low-power Schottky TTL version 4. MC14028BDR2G: CMOS version with extended temperature range

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements.

Word count: 524 words

Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät CD4028BPWR :n soveltamiseen teknisissä ratkaisuissa

Sure! Here are 10 common questions and answers related to the application of CD4028BPWR:

  1. Q: What is CD4028BPWR? A: CD4028BPWR is a BCD-to-decimal decoder IC (integrated circuit) commonly used in digital electronics.

  2. Q: What is the purpose of CD4028BPWR? A: CD4028BPWR is used to convert binary-coded decimal (BCD) inputs into corresponding decimal outputs.

  3. Q: How many inputs does CD4028BPWR have? A: CD4028BPWR has four BCD input pins (A, B, C, D) and three control pins (LT, ENP, ENT).

  4. Q: What is the maximum voltage rating for CD4028BPWR? A: The maximum voltage rating for CD4028BPWR is typically around 5V.

  5. Q: How many decimal outputs does CD4028BPWR provide? A: CD4028BPWR provides ten decimal outputs (0-9) on its output pins (Y0-Y9).

  6. Q: Can CD4028BPWR be cascaded to decode larger BCD numbers? A: Yes, multiple CD4028BPWR ICs can be cascaded together to decode larger BCD numbers.

  7. Q: What is the function of the LT pin in CD4028BPWR? A: The LT (Lamp Test) pin is used to test all the output pins by grounding it.

  8. Q: How does CD4028BPWR handle invalid BCD inputs? A: CD4028BPWR ignores any invalid BCD inputs and does not produce any output.

  9. Q: Can CD4028BPWR drive common cathode or common anode displays? A: CD4028BPWR can drive either common cathode or common anode displays, depending on the wiring configuration.

  10. Q: What is the power supply requirement for CD4028BPWR? A: CD4028BPWR typically operates with a power supply voltage of 3V to 18V, but it is commonly used with a 5V power supply.

Please note that these answers are general and may vary based on specific datasheet specifications and application requirements.