SN74AS825ADWRG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Gate
• Characteristics: High-speed, low-power, 8-bit shift register with output storage
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Serial-in, parallel-out shift register with asynchronous reset
• 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 Drive Capability: ±24mA at 4.5V
• Maximum Clock Frequency: 25MHz

Detailed Pin Configuration

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

Functional Features

• High-speed operation: The SN74AS825ADWRG4 can operate at a clock frequency of up to 25MHz, allowing for fast data processing.
• Low-power consumption: This IC is designed to consume minimal power, making it suitable for battery-powered devices.
• Output storage: The parallel outputs QA-QH store the data present at the inputs when the register clock (RCLK) signal is high.
• Asynchronous reset: The shift register can be cleared by applying a low signal to the SRCLR input.

Advantages and Disadvantages

Advantages: - High-speed operation enables quick data processing. - Low-power consumption makes it suitable for portable devices. - Output storage feature allows for easy data retrieval. - Asynchronous reset provides flexibility in clearing the shift register.

Disadvantages: - Limited voltage range (4.5V to 5.5V) may restrict compatibility with certain systems. - Maximum clock frequency of 25MHz may not be sufficient for some high-speed applications.

Working Principles

The SN74AS825ADWRG4 is an 8-bit shift register with output storage. It operates based on the principle of serial-in, parallel-out data transfer. The serial data input (SER) receives data bit by bit, which is then shifted into the shift register upon each rising edge of the clock input (CLK). The data is stored in the shift register until the register clock (RCLK) signal goes high, at which point the parallel outputs QA-QH latch the data. The shift register can be cleared by applying a low signal to the shift register clear (SRCLR) input.

Detailed Application Field Plans

The SN74AS825ADWRG4 is commonly used in various digital systems and applications, including:

1. Data communication systems: It can be utilized for serial-to-parallel data conversion and vice versa.
2. Display drivers: The output storage feature makes it suitable for driving LED or LCD displays.
3. Industrial automation: It can be employed in control systems that require high-speed data processing.
4. Automotive electronics: The IC can be used in automotive applications such as instrument clusters and infotainment systems.
5. Consumer electronics: It finds application in devices like printers, scanners, and gaming consoles.

Detailed and Complete Alternative Models

1. SN74LS165N: 8-bit parallel-in/serial-out shift register
2. CD4015BE: Dual 4-stage static shift register
3. 74HC595: 8-bit serial-in/serial-out shift register with output latches
4. CD4021BE: 8-bit parallel-in/serial-out shift register
5. SN74HC164N: 8-bit serial-in/parallel-out shift register

(Note: The above list is not exhaustive and serves as a reference for alternative models.)

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