SN74LS374DWG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: Octal D-Type Transparent Latch with 3-State Outputs
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: A digital logic device used for storing and transferring data in electronic systems.
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Logic Family: LS
• Number of Bits: 8
• Input Voltage: 2V to 6V
• Output Voltage: 0V to Vcc
• High-Level Output Current: -0.4mA
• Low-Level Output Current: 8mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LS374DWG4 has a total of 20 pins. The pin configuration is as follows:

1. D0: Data input 0
2. D1: Data input 1
3. D2: Data input 2
4. D3: Data input 3
5. D4: Data input 4
6. D5: Data input 5
7. D6: Data input 6
8. D7: Data input 7
9. GND: Ground
10. Q0: Output 0
11. Q1: Output 1
12. Q2: Output 2
13. Q3: Output 3
14. Q4: Output 4
15. Q5: Output 5
16. Q6: Output 6
17. Q7: Output 7
18. OE: Output Enable
19. CP: Clock Pulse
20. VCC: Power Supply

Functional Features

The SN74LS374DWG4 is an octal D-type transparent latch with 3-state outputs. It can store and transfer data using its eight input pins (D0-D7). The latch is transparent when the Output Enable (OE) pin is high, allowing the data to pass through to the output pins (Q0-Q7). When the OE pin is low, the outputs are in a high-impedance state.

Advantages and Disadvantages

Advantages: - High-speed operation - Wide operating voltage range - 3-state outputs allow for easy bus interfacing - Compact SOIC package for space-saving designs

Disadvantages: - Limited number of bits (8) - Not suitable for applications requiring higher bit counts

Working Principles

The SN74LS374DWG4 operates based on the principles of digital logic. When the clock pulse (CP) is triggered, the latch captures the data present at the input pins (D0-D7) and holds it until the next clock pulse. The transparent latch feature allows the data to propagate through the device when the OE pin is high. The 3-state outputs enable the device to be connected to a common bus without causing conflicts.

Detailed Application Field Plans

The SN74LS374DWG4 is commonly used in various digital systems where data storage and transfer are required. Some application fields include:

1. Microprocessors and microcontrollers
2. Data communication systems
3. Memory modules
4. Industrial automation
5. Automotive electronics

Detailed and Complete Alternative Models

1. SN74LS373: Octal D-Type Transparent Latch with 3-State Outputs
2. SN74HC374: Octal D-Type Flip-Flop with 3-State Outputs
3. CD4013: Dual D-Type Flip-Flop

These alternative models offer similar functionality and can be used as replacements for the SN74LS374DWG4 in different applications.

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