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SN74ALS876ADWRE4
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SN74ALS876ADWRE4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Function
  • Characteristics: Advanced Schottky (ALS) technology, 8-bit D-type transparent latch with 3-state outputs
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: High-speed and low-power consumption latch
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 4.5V to 5.5V
  • High-Level Input Voltage: 2.0V min
  • Low-Level Input Voltage: 0.8V max
  • High-Level Output Voltage: 2.7V min
  • Low-Level Output Voltage: 0.5V max
  • Maximum Operating Frequency: 100MHz
  • Propagation Delay Time: 6ns typical
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

  1. GND (Ground)
  2. CLK (Clock Input)
  3. LE (Latch Enable Input)
  4. D0 (Data Input 0)
  5. D1 (Data Input 1)
  6. D2 (Data Input 2)
  7. D3 (Data Input 3)
  8. D4 (Data Input 4)
  9. D5 (Data Input 5)
  10. D6 (Data Input 6)
  11. D7 (Data Input 7)
  12. Q0 (Output 0)
  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

  • 8-bit transparent latch with 3-state outputs
  • Latch enable input for data storage
  • Clock input for synchronization of data
  • High-speed operation suitable for time-critical applications
  • Low-power consumption for energy-efficient designs
  • 3-state outputs allow multiple devices to share a common bus

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data processing - Low-power consumption reduces energy usage - 3-state outputs facilitate bus sharing in complex systems

Disadvantages: - Limited operating temperature range (-40°C to +85°C) - Requires external clock signal for proper functioning

Working Principles

The SN74ALS876ADWRE4 is an 8-bit D-type transparent latch with 3-state outputs. It operates based on the clock input and latch enable input signals. When the latch enable input (LE) is high, the data inputs (D0-D7) are transferred to the outputs (Q0-Q7) on the rising edge of the clock input (CLK). The latch stores the data until the next rising edge of the clock input.

The 3-state outputs allow the device to be connected to a common bus shared by multiple devices. When the output enable input (OE) is high, the outputs are in a high-impedance state, allowing other devices to drive the bus. This feature enables efficient communication between different components in a system.

Detailed Application Field Plans

The SN74ALS876ADWRE4 can be used in various applications that require high-speed data storage and retrieval. Some potential application fields include:

  1. Microprocessors: Used as a latch for temporary storage of data during processing.
  2. Communication Systems: Facilitates data transfer between different modules or devices.
  3. Industrial Automation: Enables real-time control and monitoring of processes.
  4. Automotive Electronics: Supports data handling in automotive control systems.
  5. Consumer Electronics: Used in devices like gaming consoles, set-top boxes, etc., for data management.

Detailed and Complete Alternative Models

  1. SN74ALS877ADWRE4: Similar to SN74ALS876ADWRE4 but with inverted outputs.
  2. SN74ALS874ADWRE4: 8-bit D-type transparent latch without 3-state outputs.
  3. SN74ALS573BDWRE4: Octal D-type transparent latch with 3-state outputs.
  4. SN74ALS574BDWRE4: Octal D-type flip-flop with 3-state outputs.

These alternative models provide similar functionality with slight variations to suit specific design requirements.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق SN74ALS876ADWRE4 في الحلول التقنية

Sure! Here are 10 common questions and answers related to the application of SN74ALS876ADWRE4 in technical solutions:

  1. Q: What is SN74ALS876ADWRE4? A: SN74ALS876ADWRE4 is a specific model of integrated circuit (IC) manufactured by Texas Instruments. It is a 16-bit D-type flip-flop with 3-state outputs.

  2. Q: What are the typical applications of SN74ALS876ADWRE4? A: SN74ALS876ADWRE4 can be used in various digital systems, such as data storage, address decoding, register banks, and bus interfacing.

  3. Q: What is the operating voltage range for SN74ALS876ADWRE4? A: The operating voltage range for SN74ALS876ADWRE4 is typically between 4.5V and 5.5V.

  4. Q: How many flip-flops are there in SN74ALS876ADWRE4? A: SN74ALS876ADWRE4 contains 16 individual D-type flip-flops.

  5. Q: What is the maximum clock frequency supported by SN74ALS876ADWRE4? A: SN74ALS876ADWRE4 can operate at a maximum clock frequency of 100 MHz.

  6. Q: Does SN74ALS876ADWRE4 have any built-in output enable functionality? A: Yes, SN74ALS876ADWRE4 has an active-low output enable pin (OE) that allows the outputs to be disabled when pulled low.

  7. Q: Can SN74ALS876ADWRE4 drive other TTL or CMOS devices directly? A: Yes, SN74ALS876ADWRE4 is designed to be compatible with both TTL and CMOS logic families, making it suitable for driving other devices directly.

  8. Q: What is the power consumption of SN74ALS876ADWRE4? A: The power consumption of SN74ALS876ADWRE4 depends on various factors such as clock frequency, input/output loading, and supply voltage. It is typically around a few milliwatts.

  9. Q: Does SN74ALS876ADWRE4 have any protection features against electrostatic discharge (ESD)? A: Yes, SN74ALS876ADWRE4 incorporates ESD protection circuitry to safeguard against damage from static electricity.

  10. Q: Is SN74ALS876ADWRE4 available in different package options? A: Yes, SN74ALS876ADWRE4 is available in different package options, including SOIC (Small Outline Integrated Circuit) and TSSOP (Thin Shrink Small Outline Package).

Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.