SN74ACT574DWG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-speed, low-power consumption
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: D-type transparent latch with 3-state outputs
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Logic Family: ACT
• Number of Bits: 8
• Supply Voltage Range: 4.5V to 5.5V
• High-Level Output Current: -24mA
• Low-Level Output Current: 24mA
• Propagation Delay Time: 6ns
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The SN74ACT574DWG4 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 (Supply Voltage)

Functional Features

The SN74ACT574DWG4 is a D-type transparent latch with 3-state outputs. It is designed to store and transfer data in high-speed digital systems. The latch is transparent when the enable (OE) input is high, allowing the data inputs to be transferred to the outputs. When the OE input is low, the outputs are in a high-impedance state.

Advantages and Disadvantages

Advantages: - High-speed operation - Low-power consumption - 3-state outputs provide flexibility in system design

Disadvantages: - Limited supply voltage range (4.5V to 5.5V) - Propagation delay time may affect timing-sensitive applications

Working Principles

The SN74ACT574DWG4 operates based on the principles of D-type latch. When the clock pulse (CP) input transitions from low to high, the data inputs (D0-D7) are latched and stored in the internal flip-flops. The latch is transparent when the output enable (OE) input is high, allowing the stored data to appear at the outputs (Q0-Q6). When the OE input is low, the outputs are in a high-impedance state, isolating them from the rest of the circuit.

Detailed Application Field Plans

The SN74ACT574DWG4 can be used in various applications, including but not limited to: - Data storage and transfer in microprocessors - Address decoding in memory systems - Bus interface in communication systems - Control signal generation in digital circuits

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the SN74ACT574DWG4 include: - SN74HC574: High-speed CMOS logic family - CD74HCT574: High-speed CMOS logic family with TTL-compatible inputs - MC74ACT574: Advanced CMOS logic family with improved noise immunity

These alternative models can be considered based on specific requirements and compatibility with the existing system.

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