SN74HC574PWG4

Product Overview

• Category: Integrated Circuit
• Use: Flip-Flop
• Characteristics: High-speed, Octal D-type transparent latch
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: A latch that can store and transfer data in digital systems
• Packaging/Quantity: Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2V to 6V
• High-Level Input Voltage: 2V to VCC
• Low-Level Input Voltage: GND to 0.8V
• High-Level Output Current: -6mA
• Low-Level Output Current: 6mA
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The SN74HC574PWG4 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. OE (Output Enable)
11. CP (Clock Pulse)
12. MR (Master Reset)
13. Q0 (Output 0)
14. Q1 (Output 1)
15. Q2 (Output 2)
16. Q3 (Output 3)
17. Q4 (Output 4)
18. Q5 (Output 5)
19. Q6 (Output 6)
20. Q7 (Output 7)

Functional Features

The SN74HC574PWG4 is an octal D-type transparent latch. It is designed to store and transfer data in digital systems. The latch has a high-speed operation, making it suitable for applications that require quick data storage and transfer. It features an output enable pin (OE) that allows the outputs to be disabled when not needed. The master reset pin (MR) resets all the outputs to a low state when activated.

Advantages and Disadvantages

Advantages: - High-speed operation - Octal latch with transparent inputs - Output enable pin for easy control of outputs - Master reset pin for resetting all outputs

Disadvantages: - Limited supply voltage range (2V to 6V) - Operating temperature range may not be suitable for extreme environments

Working Principles

The SN74HC574PWG4 works by latching the input data when the clock pulse (CP) is active. The latch remains transparent as long as the output enable (OE) is active. When the OE is inactive, the latch holds the last latched data. The master reset (MR) pin can be used to reset all the outputs to a low state.

Detailed Application Field Plans

The SN74HC574PWG4 is commonly used in various digital systems where data storage and transfer are required. Some of its application fields include:

1. Microcontrollers: Used to store and transfer data between the microcontroller and other peripherals.
2. Communication Systems: Used in data transmission circuits to latch and transfer data signals.
3. Memory Modules: Used to interface with memory chips for data storage and retrieval.
4. Industrial Automation: Used in control systems to store and transfer control signals.

Detailed and Complete Alternative Models

1. SN74HC574N: DIP (Dual In-line Package) version of the SN74HC574PWG4.
2. SN74HCT574PWG4: Similar octal D-type transparent latch with TTL-compatible inputs.
3. SN74LS574N: Low-power Schottky version of the octal D-type transparent latch.

These alternative models provide similar functionality and can be used as replacements for the SN74HC574PWG4 in different applications.

In conclusion, the SN74HC574PWG4 is a high-speed octal D-type transparent latch used for data storage and transfer in digital systems. It offers various advantages such as a transparent input, output enable pin, and master reset functionality. However, it has limitations in terms of supply voltage range and operating temperature. The latch finds applications in microcontrollers, communication systems, memory modules, and industrial automation. Alternative models like SN74HC574N, SN74HCT574PWG4, and SN74LS574N offer similar functionality as replacements.