74F379SJ

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic
• Characteristics: High-speed, low-power consumption
• Package: DIP (Dual In-line Package)
• Essence: Flip-Flop
• Packaging/Quantity: Tube packaging, 25 pieces per tube

Specifications

• Technology: TTL (Transistor-Transistor Logic)
• Supply Voltage: 4.5V to 5.5V
• Operating Temperature: -40°C to +85°C
• Input Voltage Levels: Low: 0.8V, High: 2.0V
• Output Voltage Levels: Low: 0.5V, High: 2.7V
• Propagation Delay: 10ns (typical)

Detailed Pin Configuration

The 74F379SJ IC has a total of 16 pins arranged as follows:

+---+--+---+ Q1 --|1 +--+ 16|-- Vcc Q2 --|2 15|-- Q0 Q3 --|3 14|-- Clock Q4 --|4 13|-- Clear D1 --|5 12|-- D0 D2 --|6 11|-- Enable D3 --|7 10|-- Load D4 --|8 9|-- GND +----------+

Functional Features

• The 74F379SJ is a quad positive-edge triggered D-type flip-flop with clear and enable inputs.
• It can store four bits of data using the D0-D3 inputs.
• The flip-flop is clocked by the rising edge of the Clock input.
• The Clear input asynchronously resets all flip-flops to their initial state.
• The Enable input allows the data to be loaded into the flip-flop when asserted.
• The Load input transfers the data from the D inputs to the Q outputs.

Advantages and Disadvantages

Advantages: - High-speed operation - Low-power consumption - Compact size due to integration of four flip-flops in a single IC - Easy to use and interface with other digital logic circuits

Disadvantages: - Limited number of flip-flops (four in this case) - Requires external components for proper functionality - Sensitive to voltage fluctuations and noise

Working Principles

The 74F379SJ operates based on the principles of positive-edge triggered D-type flip-flops. When the Clock input receives a rising edge, the data present at the D inputs is transferred to the Q outputs. The Enable input must be asserted to allow the data to be loaded into the flip-flop. The Clear input asynchronously resets all flip-flops to their initial state, regardless of the clock signal.

Detailed Application Field Plans

The 74F379SJ is commonly used in various digital systems and applications, including:

1. Register circuits
2. Data storage systems
3. Address decoding circuits
4. Counters and frequency dividers
5. State machines and sequencers
6. Control units in microprocessors

Detailed and Complete Alternative Models

Some alternative models that can be considered as replacements for the 74F379SJ are:

1. 74HC379: CMOS version with similar functionality but lower power consumption.
2. 74LS379: Low-power Schottky TTL version with comparable characteristics.
3. CD4013: CMOS dual D-type flip-flop with additional features like set and reset inputs.

These alternatives provide similar functionality and can be used as drop-in replacements depending on specific requirements and compatibility considerations.

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