Texas Instruments
Kuva saattaa olla esitys.
Katso tuotteen tekniset tiedot.
CD74HC670EG4
Näytä Yksityiskohdat DataSheets

CD74HC670EG4

Product Overview

Category

CD74HC670EG4 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronic systems for various applications such as data storage, counters, and arithmetic operations.

Characteristics

  • High-speed operation
  • Low power consumption
  • Wide operating voltage range
  • Compatibility with TTL (Transistor-Transistor Logic) inputs
  • Schmitt-trigger action on all inputs
  • Buffered outputs for improved noise immunity

Package

CD74HC670EG4 is available in a standard 16-pin DIP (Dual Inline Package) format.

Essence

The essence of CD74HC670EG4 lies in its ability to perform efficient counting and arithmetic operations in digital circuits.

Packaging/Quantity

This IC is typically packaged in reels or tubes, containing a quantity of 250 units per package.

Specifications

  • Supply Voltage: 2V to 6V
  • Input Voltage: 0V to VCC
  • Output Voltage: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Maximum Clock Frequency: 25 MHz
  • Maximum Counting Range: 16 bits

Detailed Pin Configuration

  1. CLK (Clock Input)
  2. RCO (Ripple Carry Output)
  3. ENT (Enable Input)
  4. A0-A3 (Data Inputs)
  5. B0-B3 (Data Inputs)
  6. C0-C3 (Data Inputs)
  7. D0-D3 (Data Inputs)
  8. Q0-Q3 (Parallel Outputs)
  9. Q4-Q7 (Parallel Outputs)
  10. GND (Ground)
  11. Q8-Q11 (Parallel Outputs)
  12. Q12-Q15 (Parallel Outputs)
  13. P (Preset Input)
  14. CET (Count Enable Input)
  15. CEP (Count Enable Parallel Input)
  16. VCC (Supply Voltage)

Functional Features

  • 16-bit synchronous binary counter
  • Asynchronous parallel load capability
  • Synchronous counting mode
  • Ripple carry output for cascading multiple counters
  • Preset and count enable inputs for flexible control
  • Schmitt-trigger action on all inputs for noise immunity

Advantages and Disadvantages

Advantages

  • High-speed operation allows for efficient data processing
  • Low power consumption makes it suitable for battery-powered devices
  • Wide operating voltage range provides flexibility in different applications
  • Compatibility with TTL inputs enables easy integration into existing systems
  • Buffered outputs enhance noise immunity, ensuring reliable signal transmission

Disadvantages

  • Limited maximum clock frequency may restrict its use in high-speed applications
  • Maximum counting range of 16 bits may not be sufficient for certain complex operations

Working Principles

CD74HC670EG4 operates as a synchronous binary counter, where the counting is synchronized with an external clock signal. The IC can be preset to a specific value using the preset input, and the count enable inputs allow for flexible control over the counting process. The ripple carry output facilitates cascading multiple counters to achieve higher counting ranges.

Detailed Application Field Plans

CD74HC670EG4 finds extensive application in various digital electronic systems, including: - Data storage devices - Frequency dividers - Digital clocks and timers - Arithmetic circuits - Industrial automation systems - Communication equipment

Detailed and Complete Alternative Models

  1. CD74HC669E: Similar 16-bit synchronous binary counter with additional serial input capability.
  2. CD74HCT670E: Compatible CMOS version with improved noise immunity.
  3. SN74HC670N: Equivalent IC from Texas Instruments with similar specifications and features.

These alternative models offer similar functionality and can be used as substitutes for CD74HC670EG4 in different applications.

Word count: 529 words

Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät CD74HC670EG4 :n soveltamiseen teknisissä ratkaisuissa

Sure! Here are 10 common questions and answers related to the application of CD74HC670EG4 in technical solutions:

  1. Q: What is CD74HC670EG4? A: CD74HC670EG4 is a high-speed CMOS (Complementary Metal-Oxide-Semiconductor) 4-bit binary counter with asynchronous reset.

  2. Q: What are the key features of CD74HC670EG4? A: The key features include high-speed operation, low power consumption, wide operating voltage range, and compatibility with TTL (Transistor-Transistor Logic) inputs.

  3. Q: How can CD74HC670EG4 be used in technical solutions? A: CD74HC670EG4 can be used as a counter or a frequency divider in various applications such as digital clocks, frequency synthesizers, and event counters.

  4. Q: What is the maximum clock frequency supported by CD74HC670EG4? A: CD74HC670EG4 supports a maximum clock frequency of 25 MHz.

  5. Q: Does CD74HC670EG4 have an asynchronous reset feature? A: Yes, CD74HC670EG4 has an asynchronous reset input that allows you to reset the counter to its initial state at any time.

  6. Q: Can CD74HC670EG4 operate with both 3.3V and 5V power supplies? A: Yes, CD74HC670EG4 is designed to operate with a wide range of power supply voltages, including both 3.3V and 5V.

  7. Q: What is the typical propagation delay of CD74HC670EG4? A: The typical propagation delay of CD74HC670EG4 is around 9 ns.

  8. Q: Is CD74HC670EG4 compatible with other logic families? A: Yes, CD74HC670EG4 is compatible with other CMOS and TTL logic families, making it easy to integrate into existing systems.

  9. Q: Can CD74HC670EG4 be cascaded to create larger counters? A: Yes, CD74HC670EG4 can be cascaded to create larger counters by connecting the carry output of one counter to the clock input of the next.

  10. Q: What is the package type of CD74HC670EG4? A: CD74HC670EG4 is available in a standard 16-pin SOIC (Small Outline Integrated Circuit) package.

Please note that these answers are general and may vary depending on the specific application and requirements.