SN74AS825ADWG4

Product Overview

• Category: Integrated Circuit
• Use: Logic Gate
• Characteristics: High-speed, low-power, 8-bit shift register with serial and parallel data entry
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Serial-to-parallel converter
• 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: ±12mA
• Propagation Delay Time: 9ns (typical)
• Power Dissipation: 500mW (max)

Detailed Pin Configuration

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

Functional Features

• High-speed operation: The SN74AS825ADWG4 can shift data at a rate of up to 100MHz.
• Parallel or serial data entry: It allows for both parallel and serial data input, providing flexibility in data transfer.
• Shift register clear function: The SRCLR input allows the user to reset the shift register to its initial state.
• Output enable control: The OE input enables or disables the parallel outputs, allowing for efficient power management.

Advantages and Disadvantages

Advantages: - High-speed operation enables quick data transfer. - Dual data entry modes provide versatility. - Compact SOIC package saves board space. - Low power consumption.

Disadvantages: - Limited output current may restrict certain applications. - Operating temperature range may not be suitable for extreme environments.

Working Principles

The SN74AS825ADWG4 is an 8-bit shift register with serial and parallel data entry capabilities. It operates based on the clock input (CLK) and the shift register clear input (SRCLR). When the clock signal transitions from low to high, the data at the serial data input (SER) is shifted into the shift register. The parallel load clock input (RCLK) allows the user to load data in parallel into the shift register when activated. The output enable input (OE) controls the activation of the parallel outputs (QA-QH).

Detailed Application Field Plans

The SN74AS825ADWG4 can be used in various applications, including: 1. Serial-to-parallel data conversion in communication systems. 2. Data storage and retrieval in memory devices. 3. Shift register-based control circuits in industrial automation. 4. Parallel data transfer in digital signal processing. 5. Clock synchronization in synchronous systems.

Detailed and Complete Alternative Models

1. SN74AS825A: Similar functionality but available in a different package (DIP).
2. SN74LS164: 8-bit shift register with serial data entry only.
3. CD4015B: Dual 4-bit static shift register with parallel data entry.

Note: This is not an exhaustive list, and there are several other alternative models available in the market.

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