SN74ACT574DWRG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-speed, low-power consumption
• Package: SOIC-20
• Essence: D-type transparent latch
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Logic Family: ACT
• Number of Bits: 8
• Input Voltage Range: 2V to 6V
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to 85°C
• Propagation Delay Time: 5.5ns (typical)
• Supply Current: 4mA (max)

Detailed Pin Configuration

The SN74ACT574DWRG4 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. VCC (Power supply)

Functional Features

The SN74ACT574DWRG4 is a D-type transparent latch with 8 bits. It is designed to store and transfer data in digital systems. The latch has a clock pulse input (CP) that controls the transfer of data from the input pins (D0-D7) to the output pins (Q0-Q6). When the clock pulse is high, the latch is transparent, allowing the input data to propagate to the outputs. When the clock pulse is low, the latch holds the last input data.

Advantages and Disadvantages

Advantages: - High-speed operation - Low-power consumption - Wide operating voltage range - Compact SOIC-20 package

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

Working Principles

The SN74ACT574DWRG4 operates based on the principles of D-type flip-flops. When the clock pulse is high, the latch allows the input data to pass through to the outputs. This enables real-time data transfer and storage. When the clock pulse is low, the latch holds the last input data, ensuring data stability.

Detailed Application Field Plans

The SN74ACT574DWRG4 is commonly used in various digital systems where data storage and transfer are required. Some application fields include:

1. Microcontrollers: Used for storing and transferring data between the microcontroller and external devices.
2. Communication Systems: Used for buffering and synchronizing data signals in communication protocols.
3. Data Acquisition Systems: Used for capturing and storing analog or digital data from sensors or other sources.
4. Memory Modules: Used for address decoding and data transfer in memory modules.

Detailed and Complete Alternative Models

1. SN74ACT573DWRG4: Similar to SN74ACT574DWRG4 but with tri-state outputs.
2. SN74ACT564DWRG4: Octal D-type flip-flop with inverted outputs.
3. SN74ACT16652DWRG4: 16-bit bus transceiver with D-type flip-flops.

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements.

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