74LV574DB,112

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: Low-voltage, Octal D-type transparent latch with 3-state outputs
• Package: SSOP (Shrink Small Outline Package)
• Essence: Digital Logic IC
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• High-Level Input Voltage: 2V (minimum), VCC (maximum)
• Low-Level Input Voltage: GND (minimum), 0.8V (maximum)
• High-Level Output Voltage: VCC - 0.6V (minimum), VCC (maximum)
• Low-Level Output Voltage: 0.1V (minimum), 0.4V (maximum)
• Maximum Operating Frequency: 125 MHz
• Number of Flip-Flops: 8

Detailed Pin Configuration

The 74LV574DB,112 has a total of 20 pins. The pin configuration is as follows:

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

Functional Features

• Octal D-type transparent latch with 3-state outputs
• Latches data on the rising edge of the clock pulse
• Outputs can be disabled using the output enable input
• Low-voltage operation, suitable for battery-powered devices
• High noise immunity due to Schmitt-trigger inputs

Advantages and Disadvantages

Advantages: - Low-voltage operation allows for compatibility with various systems - 3-state outputs provide flexibility in connecting multiple devices - High noise immunity ensures reliable operation in noisy environments

Disadvantages: - Limited maximum operating frequency compared to some other ICs - SSOP package may require specialized equipment for soldering and handling

Working Principles

The 74LV574DB,112 is an octal D-type transparent latch. It stores data at its inputs (D0-D7) and latches it onto its outputs (Q0-Q7) when a clock pulse (CP) is received. The latch remains transparent as long as the clock pulse is low. When the clock pulse rises, the data at the inputs is captured and held at the outputs until the next clock pulse.

The output enable (OE) input allows the outputs to be disabled, putting them in a high-impedance state. This feature is useful when multiple devices are connected together, and only one device should drive the bus at a time.

Detailed Application Field Plans

The 74LV574DB,112 is commonly used in various digital systems where the storage and transfer of data is required. Some application fields include: - Microcontrollers and microprocessors - Data communication systems - Memory modules - Industrial automation systems - Consumer electronics

Detailed and Complete Alternative Models

• 74HC574: Similar octal D-type transparent latch with 3-state outputs, operates at higher voltage levels (2V to 6V)
• SN74LS374: Octal D-type flip-flop with 3-state outputs, operates at lower voltage levels (4.75V to 5.25V)
• CD4013B: Dual D-type flip-flop with complementary outputs, operates at a wide range of voltages (3V to 18V)

These alternative models offer similar functionality but may have different voltage requirements or package options.

In conclusion, the 74LV574DB,112 is a low-voltage octal D-type transparent latch with 3-state outputs. It provides reliable data storage and transfer capabilities in various digital systems. Its advantages include low-voltage operation, 3-state outputs, and high noise immunity. However, it has limitations in terms of maximum operating frequency and package handling. Alternative models such as the 74HC574, SN74LS374, and CD4013B offer similar functionality