SN74AS298ADRE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Shift Register
• Characteristics:
  • High-speed operation
  • Wide operating voltage range
  • Low power consumption
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Serial-to-Parallel Data Conversion
• 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: ±6mA
• Propagation Delay Time: 10ns (typical)
• Number of Bits: 8

Detailed Pin Configuration

The SN74AS298ADRE4 has a total of 16 pins. The pin configuration is as follows:

1. CLR (Clear) - Active LOW input for clearing the register
2. CLK (Clock) - Input clock signal for shifting data
3. D (Data) - Serial input for shifting into the register
4. QH' (Serial Output) - Complementary serial output
5. QH (Serial Output) - Serial output
6. QA-QG (Parallel Outputs) - Parallel outputs Q0 to Q7
7. GND (Ground) - Ground reference
8. VCC (Supply Voltage) - Positive supply voltage

Functional Features

• Serial-to-Parallel Conversion: The SN74AS298ADRE4 can convert serial data into parallel data using its shift register functionality.
• Clear Functionality: The integrated clear function allows resetting the register to a known state.
• High-Speed Operation: The IC operates at high speeds, making it suitable for applications requiring fast data processing.
• Wide Operating Voltage Range: The device can operate within a wide voltage range, providing flexibility in various applications.
• Low Power Consumption: The IC consumes low power, making it energy-efficient.

Advantages and Disadvantages

Advantages: - High-speed operation enables quick data processing. - Wide operating voltage range allows for versatile use in different systems. - Low power consumption results in energy efficiency.

Disadvantages: - Limited number of bits (8) may not be sufficient for certain applications requiring larger data storage. - The SOIC package may not be suitable for all PCB designs, limiting its compatibility with certain systems.

Working Principles

The SN74AS298ADRE4 is a logic shift register that performs serial-to-parallel data conversion. It operates by shifting the input data bit-by-bit into the register using the clock signal. The shifted data is then available at the parallel outputs, allowing for parallel data processing. The clear input can be used to reset the register to a known state.

Detailed Application Field Plans

The SN74AS298ADRE4 is commonly used in various applications, including:

1. Data Communication Systems: Used for serial-to-parallel conversion in communication protocols such as UART (Universal Asynchronous Receiver-Transmitter).
2. Digital Displays: Enables driving multiple segments or pixels simultaneously in LED displays or LCD panels.
3. Industrial Automation: Utilized in control systems for parallel data processing and interfacing with sensors and actuators.
4. Memory Addressing: Used in memory modules for addressing individual memory locations.

Detailed and Complete Alternative Models

1. SN74LS298: Similar functionality but operates at a lower speed.
2. SN74HC298: Compatible with higher supply voltages and offers improved noise immunity.
3. SN74ACT298: Provides faster propagation delay times and reduced power consumption compared to the AS series.

These alternative models offer similar functionality to the SN74AS298ADRE4 but may have variations in speed, voltage compatibility, and power consumption.

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