SN74AS876DWG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic
• Characteristics: High-speed, Low-power, TTL-Compatible
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: 8-Bit D-Type Flip-Flop with 3-State Outputs
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• High-Level Input Voltage: 2.0V to VCC
• Low-Level Input Voltage: GND to 0.8V
• High-Level Output Voltage: 2.4V (min)
• Low-Level Output Voltage: 0.4V (max)
• Maximum Operating Frequency: 100MHz
• Propagation Delay Time: 6ns (typical)

Detailed Pin Configuration

1. CLK (Clock Input)
2. D0-D7 (Data Inputs)
3. OE (Output Enable)
4. Q0-Q7 (Flip-Flop Outputs)
5. GND (Ground)
6. VCC (Supply Voltage)

Functional Features

• 8-bit D-type flip-flop with 3-state outputs
• Positive-edge triggered clock input
• Asynchronous clear input for resetting the flip-flop
• 3-state outputs allow multiple devices to share a common bus
• TTL-compatible inputs and outputs for easy integration with other logic circuits

Advantages

• High-speed operation allows for efficient data processing
• Low-power consumption reduces energy requirements
• 3-state outputs enable bus sharing, saving on system resources
• TTL compatibility ensures seamless integration with existing logic circuits

Disadvantages

• Limited supply voltage range may restrict certain applications
• Propagation delay time may affect timing-sensitive operations

Working Principles

The SN74AS876DWG4 is an 8-bit D-type flip-flop with 3-state outputs. It operates on a positive-edge triggered clock input, which latches the data inputs (D0-D7) into the flip-flop on each rising edge of the clock signal. The asynchronous clear input (OE) allows for resetting the flip-flop to a known state.

The 3-state outputs (Q0-Q7) can be enabled or disabled using the output enable input (OE). When the OE input is high, the outputs are active and reflect the current state of the flip-flop. When the OE input is low, the outputs are in a high-impedance state, allowing multiple devices to share a common bus without interfering with each other.

Detailed Application Field Plans

The SN74AS876DWG4 is commonly used in various digital logic applications, including:

1. Data storage and retrieval systems
2. Address decoding circuits
3. Bus interface units
4. Memory modules
5. Microprocessor-based systems

Its ability to store and transfer data efficiently makes it suitable for applications that require reliable and fast digital signal processing.

Detailed and Complete Alternative Models

1. SN74LS876: Similar functionality but operates at a lower frequency range.
2. SN74HC876: Higher-speed version with improved propagation delay time.
3. SN74F876: Faster operation and wider supply voltage range compared to the AS series.

These alternative models offer similar features and can be considered based on specific application requirements.

In conclusion, the SN74AS876DWG4 is a versatile integrated circuit that provides efficient data storage and transfer capabilities. Its high-speed operation, low-power consumption, and compatibility with TTL logic make it a popular choice in various digital logic applications.