74HC574DB,118

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic
• Characteristics: Octal D-type flip-flop with 3-state outputs
• Package: SSOP (Shrink Small Outline Package)
• Essence: High-speed CMOS logic IC
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2.0V to 6.0V
• High-Level Input Voltage: 2.0V to VCC
• Low-Level Input Voltage: GND to 0.8V
• High-Level Output Voltage: VCC - 0.5V
• Low-Level Output Voltage: 0.5V
• Maximum Operating Frequency: 80 MHz
• Propagation Delay Time: 15 ns
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The 74HC574DB,118 has a total of 20 pins. The pin configuration is as follows:

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

Functional Features

• Octal D-type flip-flop with 3-state outputs
• High-speed operation, suitable for high-frequency applications
• 3-state outputs allow multiple devices to share a common bus
• Master Reset (MR) input for synchronous reset of all flip-flops
• Output Enable (OE) input to control the output state

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data processing - 3-state outputs facilitate bus sharing in complex systems - Synchronous reset simplifies system initialization

Disadvantages: - Limited voltage supply range (2.0V to 6.0V) - Propagation delay time may affect timing-sensitive applications

Working Principles

The 74HC574DB,118 is an octal D-type flip-flop with 3-state outputs. It operates based on the positive-edge-triggered flip-flop principle. The data inputs (D0-D7) are latched into the flip-flops on the rising edge of the clock pulse (CP). The outputs (Q0-Q7) reflect the state of the corresponding flip-flops. The Output Enable (OE) input controls whether the outputs are active or in a high-impedance state.

Detailed Application Field Plans

The 74HC574DB,118 can be used in various digital logic applications, including but not limited to:

1. Data storage and transfer in microcontrollers and microprocessors
2. Address decoding in memory systems
3. Bus interfacing in communication protocols
4. State machine implementation in digital systems
5. Register-based operations in arithmetic circuits

Detailed and Complete Alternative Models

Some alternative models that serve similar functions to the 74HC574DB,118 include:

1. SN74HC574N by Texas Instruments
2. MC74HC574AN by ON Semiconductor
3. CD74HC574E by Texas Instruments
4. 74HCT574 by NXP Semiconductors
5. DM74LS374N by Fairchild Semiconductor

These alternative models offer similar features and can be used as replacements based on specific requirements.

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