ON Semiconductor
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DM74ALS521WMX
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DM74ALS521WMX

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Device
  • Characteristics: High-speed, low-power, TTL-compatible
  • Package: 20-pin SOIC (Small Outline Integrated Circuit)
  • Essence: The DM74ALS521WMX is a high-speed TTL-compatible octal D-type flip-flop with 3-state outputs. It is designed for general-purpose storage applications in digital systems.
  • Packaging/Quantity: The DM74ALS521WMX is typically sold in reels of 250 units.

Specifications

  • Supply Voltage: 4.5V to 5.5V
  • Input Voltage: 0V to VCC
  • Output Voltage: 0V to VCC
  • Operating Temperature: -40°C to +85°C
  • Propagation Delay: 8ns (typical)
  • Output Current: ±24mA

Detailed Pin Configuration

The DM74ALS521WMX has a total of 20 pins. Here is the detailed pin configuration:

  1. GND (Ground)
  2. Q0 (Output 0)
  3. D0 (Data Input 0)
  4. D1 (Data Input 1)
  5. D2 (Data Input 2)
  6. D3 (Data Input 3)
  7. D4 (Data Input 4)
  8. D5 (Data Input 5)
  9. D6 (Data Input 6)
  10. D7 (Data Input 7)
  11. CLK (Clock Input)
  12. OE (Output Enable)
  13. Q1 (Output 1)
  14. Q2 (Output 2)
  15. Q3 (Output 3)
  16. Q4 (Output 4)
  17. Q5 (Output 5)
  18. Q6 (Output 6)
  19. Q7 (Output 7)
  20. VCC (Supply Voltage)

Functional Features

  • High-speed operation: The DM74ALS521WMX is designed to operate at high clock frequencies, making it suitable for time-critical applications.
  • Low-power consumption: It consumes minimal power, making it energy-efficient and suitable for battery-powered devices.
  • TTL compatibility: The device is compatible with TTL logic levels, allowing easy integration into existing digital systems.
  • 3-state outputs: The octal D-type flip-flop has 3-state outputs, providing flexibility in controlling the output signals.

Advantages and Disadvantages

Advantages: - High-speed operation - Low-power consumption - TTL compatibility - 3-state outputs for flexible signal control

Disadvantages: - Limited number of inputs and outputs - Not suitable for applications requiring complex sequential logic

Working Principles

The DM74ALS521WMX operates based on the principles of D-type flip-flops. It stores data on the rising edge of the clock signal and provides the stored data as outputs when enabled. The 3-state outputs allow the device to be effectively disconnected from the bus when not required, reducing power consumption and preventing signal interference.

Detailed Application Field Plans

The DM74ALS521WMX can be used in various applications, including but not limited to: - Data storage in microprocessors and microcontrollers - Address decoding in memory systems - Bus interfacing in digital communication systems - Control signal generation in industrial automation

Detailed and Complete Alternative Models

Here are some alternative models that offer similar functionality to the DM74ALS521WMX: - SN74ALS521N - MC74ALS521DW - CD74ALS521M96

These alternatives may have slight variations in specifications or package types, but they serve the same purpose and can be used as substitutes in most applications.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan DM74ALS521WMX dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of DM74ALS521WMX in technical solutions:

  1. Q: What is DM74ALS521WMX? A: DM74ALS521WMX is a specific model of integrated circuit (IC) commonly used in digital electronics.

  2. Q: What is the function of DM74ALS521WMX? A: DM74ALS521WMX is an 8-bit identity comparator that compares two 8-bit binary numbers and provides outputs indicating whether they are equal or not.

  3. Q: What are some typical applications of DM74ALS521WMX? A: DM74ALS521WMX can be used in various applications such as data validation, address decoding, error detection, and control logic circuits.

  4. Q: What is the operating voltage range for DM74ALS521WMX? A: The operating voltage range for DM74ALS521WMX is typically between 4.5V and 5.5V.

  5. Q: How many inputs does DM74ALS521WMX have? A: DM74ALS521WMX has a total of 16 inputs, divided into two 8-bit input ports.

  6. Q: What is the output format of DM74ALS521WMX? A: The output format of DM74ALS521WMX is usually in the form of logical high (1) or logical low (0) signals.

  7. Q: Can DM74ALS521WMX operate at high speeds? A: Yes, DM74ALS521WMX is designed to operate at high-speed performance, making it suitable for time-critical applications.

  8. Q: Is DM74ALS521WMX compatible with other ICs? A: Yes, DM74ALS521WMX is compatible with other TTL (Transistor-Transistor Logic) ICs, allowing it to be easily integrated into existing digital systems.

  9. Q: What is the power consumption of DM74ALS521WMX? A: The power consumption of DM74ALS521WMX is relatively low, making it energy-efficient for battery-powered applications.

  10. Q: Can DM74ALS521WMX handle multiple comparisons simultaneously? A: No, DM74ALS521WMX can only perform one comparison at a time between two 8-bit binary numbers.

Please note that these answers are general and may vary depending on specific datasheets or manufacturer specifications.