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SN74AS825ADWG4

SN74AS825ADWG4

Product Overview

  • Category: Integrated Circuit
  • Use: Logic Gate
  • Characteristics: High-speed, low-power, 8-bit shift register with serial and parallel data entry
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Serial-to-parallel converter
  • Packaging/Quantity: Tape and Reel, 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: ±12mA
  • Propagation Delay Time: 9ns (typical)
  • Power Dissipation: 500mW (max)

Detailed Pin Configuration

  1. SER (Serial Data Input)
  2. CLK (Clock Input)
  3. RCLK (Parallel Load Clock Input)
  4. SRCLR (Shift Register Clear Input)
  5. OE (Output Enable Input)
  6. QA-QH (Parallel Outputs)
  7. GND (Ground)
  8. VCC (Supply Voltage)

Functional Features

  • High-speed operation: The SN74AS825ADWG4 can shift data at a rate of up to 100MHz.
  • Parallel or serial data entry: It allows for both parallel and serial data input, providing flexibility in data transfer.
  • Shift register clear function: The SRCLR input allows the user to reset the shift register to its initial state.
  • Output enable control: The OE input enables or disables the parallel outputs, allowing for efficient power management.

Advantages and Disadvantages

Advantages: - High-speed operation enables quick data transfer. - Dual data entry modes provide versatility. - Compact SOIC package saves board space. - Low power consumption.

Disadvantages: - Limited output current may restrict certain applications. - Operating temperature range may not be suitable for extreme environments.

Working Principles

The SN74AS825ADWG4 is an 8-bit shift register with serial and parallel data entry capabilities. It operates based on the clock input (CLK) and the shift register clear input (SRCLR). When the clock signal transitions from low to high, the data at the serial data input (SER) is shifted into the shift register. The parallel load clock input (RCLK) allows the user to load data in parallel into the shift register when activated. The output enable input (OE) controls the activation of the parallel outputs (QA-QH).

Detailed Application Field Plans

The SN74AS825ADWG4 can be used in various applications, including: 1. Serial-to-parallel data conversion in communication systems. 2. Data storage and retrieval in memory devices. 3. Shift register-based control circuits in industrial automation. 4. Parallel data transfer in digital signal processing. 5. Clock synchronization in synchronous systems.

Detailed and Complete Alternative Models

  1. SN74AS825A: Similar functionality but available in a different package (DIP).
  2. SN74LS164: 8-bit shift register with serial data entry only.
  3. CD4015B: Dual 4-bit static shift register with parallel data entry.

Note: This is not an exhaustive list, and there are several other alternative models available in the market.

Word count: 410 words

Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng SN74AS825ADWG4 trong giải pháp kỹ thuật

Sure! Here are 10 common questions and answers related to the application of SN74AS825ADWG4 in technical solutions:

  1. Q: What is SN74AS825ADWG4? A: SN74AS825ADWG4 is a specific integrated circuit (IC) chip that belongs to the SN74AS family of logic devices.

  2. Q: What is the function of SN74AS825ADWG4? A: SN74AS825ADWG4 is a 16-bit bus transceiver with tri-state outputs, which means it can transmit and receive data between two separate buses.

  3. Q: What voltage levels does SN74AS825ADWG4 support? A: SN74AS825ADWG4 supports TTL-compatible voltage levels, typically operating at 5V.

  4. Q: Can SN74AS825ADWG4 be used in both input and output applications? A: Yes, SN74AS825ADWG4 can be used as both an input and output device, allowing bidirectional data transfer.

  5. Q: How many pins does SN74AS825ADWG4 have? A: SN74AS825ADWG4 is available in a 20-pin wide SOIC package.

  6. Q: What is the maximum data transfer rate supported by SN74AS825ADWG4? A: SN74AS825ADWG4 can handle data transfer rates up to 25 MHz.

  7. Q: Can SN74AS825ADWG4 be used in high-speed applications? A: While SN74AS825ADWG4 is not specifically designed for high-speed applications, it can still be used effectively in moderate-speed systems.

  8. Q: Does SN74AS825ADWG4 require external pull-up or pull-down resistors? A: No, SN74AS825ADWG4 has built-in pull-up resistors on its inputs, eliminating the need for external components.

  9. Q: Can SN74AS825ADWG4 be cascaded to increase the number of bus lines? A: Yes, multiple SN74AS825ADWG4 chips can be cascaded together to increase the number of bus lines in a system.

  10. Q: What are some typical applications of SN74AS825ADWG4? A: SN74AS825ADWG4 is commonly used in various digital systems, such as microcontrollers, data buses, address decoders, and general-purpose input/output (GPIO) interfaces.

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