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SN74ALS679NSRE4
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SN74ALS679NSRE4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Function
  • Characteristics: High-speed, low-power Schottky TTL technology
  • Package: 16-pin small-outline integrated circuit (SOIC)
  • Essence: 8-bit universal shift/storage register with three-state outputs
  • Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

  • Supply Voltage Range: 4.5V to 5.5V
  • Input Voltage Range: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Output Current: ±24mA
  • Propagation Delay Time: 9ns (typical)
  • Power Dissipation: 500mW (max)

Detailed Pin Configuration

  1. SER (Serial Data Input)
  2. SCLK (Serial Clock Input)
  3. RCLK (Register Clock Input)
  4. OE (Output Enable Input)
  5. QH' (Serial Output)
  6. QH (Serial Output)
  7. QG (Parallel Output)
  8. QF (Parallel Output)
  9. QE (Parallel Output)
  10. QD (Parallel Output)
  11. QC (Parallel Output)
  12. QB (Parallel Output)
  13. QA (Parallel Output)
  14. GND (Ground)
  15. VCC (Supply Voltage)
  16. NC (No Connection)

Functional Features

  • Shifts data in serially or parallelly
  • Stores data in an 8-bit register
  • Outputs data in parallel or serial form
  • Three-state outputs allow multiple devices to share a common bus

Advantages

  • High-speed operation
  • Low power consumption
  • Versatile functionality for various applications
  • Compact package size for space-constrained designs

Disadvantages

  • Limited number of output pins
  • Requires external clock signals for proper operation

Working Principles

The SN74ALS679NSRE4 is an 8-bit universal shift/storage register with three-state outputs. It can operate in serial or parallel mode, allowing data to be shifted in and stored, and then outputted in either serial or parallel form. The device requires clock signals to control the shifting and storage operations.

Detailed Application Field Plans

The SN74ALS679NSRE4 is widely used in various applications that require data shifting and storage capabilities. Some common application fields include:

  1. Data communication systems
  2. Digital signal processing
  3. Microcontroller interfacing
  4. Memory address decoding
  5. Industrial automation

Detailed and Complete Alternative Models

  1. SN74ALS677NSRE4: 16-pin SOIC package, 8-bit universal shift/register with three-state outputs
  2. SN74ALS678NSRE4: 16-pin SOIC package, 8-bit universal shift/register with three-state outputs and parallel load capability
  3. SN74ALS680NSRE4: 16-pin SOIC package, 8-bit universal shift/register with three-state outputs and synchronous parallel loading

These alternative models offer similar functionality to the SN74ALS679NSRE4 but may have additional features or variations in their specifications.

In conclusion, the SN74ALS679NSRE4 is a versatile integrated circuit that provides high-speed data shifting and storage capabilities. Its compact size and low power consumption make it suitable for various applications in different industries. However, its limited number of output pins and reliance on external clock signals are potential drawbacks to consider.

技術ソリューションにおける SN74ALS679NSRE4 の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of SN74ALS679NSRE4 in technical solutions:

  1. Question: What is SN74ALS679NSRE4?
    Answer: SN74ALS679NSRE4 is a specific model of integrated circuit (IC) that belongs to the ALS series of logic devices.

  2. Question: What is the purpose of SN74ALS679NSRE4?
    Answer: SN74ALS679NSRE4 is a 16-bit, universal shift register with parallel outputs. It can be used for various applications involving data storage and manipulation.

  3. Question: What voltage levels does SN74ALS679NSRE4 support?
    Answer: SN74ALS679NSRE4 operates at a supply voltage range of 4.5V to 5.5V.

  4. Question: How many parallel outputs does SN74ALS679NSRE4 have?
    Answer: SN74ALS679NSRE4 has 16 parallel outputs, which can be used to read the stored data.

  5. Question: Can SN74ALS679NSRE4 be cascaded to increase the number of bits?
    Answer: Yes, multiple SN74ALS679NSRE4 ICs can be cascaded together to increase the number of bits in the shift register.

  6. Question: What is the maximum clock frequency supported by SN74ALS679NSRE4?
    Answer: SN74ALS679NSRE4 can operate at a maximum clock frequency of 25 MHz.

  7. Question: Does SN74ALS679NSRE4 have any built-in error detection or correction features?
    Answer: No, SN74ALS679NSRE4 does not have any built-in error detection or correction features. It is primarily a shift register.

  8. Question: Can SN74ALS679NSRE4 be used in both synchronous and asynchronous applications?
    Answer: Yes, SN74ALS679NSRE4 can be used in both synchronous and asynchronous applications, depending on the clock input configuration.

  9. Question: What is the power consumption of SN74ALS679NSRE4?
    Answer: The power consumption of SN74ALS679NSRE4 depends on various factors such as clock frequency, input/output loading, and supply voltage. Please refer to the datasheet for detailed information.

  10. Question: Are there any specific precautions to consider when using SN74ALS679NSRE4?
    Answer: It is important to follow the recommended operating conditions, handling guidelines, and ESD precautions mentioned in the datasheet to ensure proper functionality and reliability of SN74ALS679NSRE4.

Please note that these answers are general and may vary based on specific application requirements. It is always recommended to refer to the datasheet and consult with technical experts for accurate and detailed information.