SN74AS298ADR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Gates
• Characteristics: High-speed, 8-bit Universal Shift/Storage Register
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Serial-to-Parallel and Parallel-to-Serial Data Conversion
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Input/Output Compatibility: TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor) levels
• Maximum Clock Frequency: 100 MHz
• Number of Inputs/Outputs: 8
• Logic Family: AS (Advanced Schottky)

Detailed Pin Configuration

The SN74AS298ADR has a total of 16 pins, each serving a specific purpose:

1. CLR (Clear): Clears the register when set to low.
2. CLK (Clock): Controls the shifting and storage operations.
3. D (Data): Serial input for data shifting.
4. SER (Serial Output): Outputs the serial data.
5. QA-QH (Parallel Outputs): Outputs the parallel data bits.
6. QH' (Inverted Parallel Output): Outputs the inverted parallel data bit.
7. GND (Ground): Ground reference for the IC.
8. VCC (Supply Voltage): Positive supply voltage for the IC. 9-16. NC (No Connection): These pins are not connected and should be left unconnected.

Functional Features

• Serial-to-Parallel Conversion: The SN74AS298ADR can convert serial data into parallel data, allowing for easier processing and manipulation.
• Parallel-to-Serial Conversion: It can also convert parallel data into serial data, useful for transmission or storage purposes.
• Shift and Storage Operations: The IC can shift data bits in either direction (left or right) and store them in the register.
• Clear Functionality: The CLR pin allows for clearing the register, resetting it to its initial state.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data processing. - Versatile functionality with both serial-to-parallel and parallel-to-serial conversion. - Compact SOIC package allows for space-saving integration into various electronic systems.

Disadvantages: - Limited number of inputs/outputs restricts the complexity of applications. - Requires external clock signal for proper operation.

Working Principles

The SN74AS298ADR operates based on the principles of sequential logic. It utilizes a clock signal to control the shifting and storage operations. When the clock signal transitions from low to high, the input data is shifted into the register. On subsequent clock cycles, the data can be shifted further or stored in the register. The CLR pin can be used to clear the register, resetting it to its initial state.

Detailed Application Field Plans

The SN74AS298ADR finds applications in various fields, including:

1. Data Communication Systems: Used for data serialization and deserialization in communication protocols such as UART (Universal Asynchronous Receiver-Transmitter).
2. Digital Signal Processing: Enables efficient data manipulation and processing in DSP algorithms.
3. Memory Systems: Utilized for address decoding and data storage in memory modules.
4. Industrial Automation: Integrated into control systems for data handling and manipulation.
5. Consumer Electronics: Found in devices like printers, scanners, and digital cameras for data conversion and processing.

Detailed and Complete Alternative Models

1. SN74LS299: Similar 8-bit Universal Shift/Storage Register with TTL compatibility.
2. CD4015B: Dual 4-stage Static Shift Register with CMOS compatibility.
3. 74HC595: 8-bit Serial-In, Parallel-Out Shift Register with CMOS compatibility.

These alternative models offer similar functionality and can be used as substitutes for the SN74AS298ADR in various applications.

Word count: 533 words