74HCT574PW,118

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-speed operation, low power consumption
• Package: TSSOP-20
• Essence: Octal D-type flip-flop with 3-state outputs
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• High-Level Input Voltage: 2V
• Low-Level Input Voltage: 0.8V
• High-Level Output Voltage: 4.4V
• Low-Level Output Voltage: 0.1V
• Maximum Operating Frequency: 70 MHz
• Propagation Delay Time: 11 ns
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The 74HCT574PW,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

The 74HCT574PW,118 is an octal D-type flip-flop with 3-state outputs. It features a high-speed operation and low power consumption, making it suitable for various applications. The device has an output enable input (OE) that can be used to put the outputs in a high-impedance state, allowing multiple devices to be connected to a common bus.

Advantages and Disadvantages

Advantages: - High-speed operation - Low power consumption - 3-state outputs for bus sharing

Disadvantages: - Limited operating frequency compared to some other flip-flops - Requires external clock pulse and master reset signals

Working Principles

The 74HCT574PW,118 operates based on the principles of digital logic. It uses positive-edge triggered flip-flops to store and transfer data. The clock pulse input (CP) controls the timing of data storage and transfer. When the clock pulse transitions from low to high, the data inputs (D0-D7) are latched and stored in the flip-flops. The stored data can then be accessed at the corresponding outputs (Q0-Q7). The output enable input (OE) determines whether the outputs are active or in a high-impedance state.

Detailed Application Field Plans

The 74HCT574PW,118 can be used in various applications, including but not limited to:

1. Data storage and transfer in microcontrollers and microprocessors.
2. Address decoding in memory systems.
3. Bus interfacing and buffering.
4. State machine implementation.
5. Control signal generation and synchronization.

Detailed and Complete Alternative Models

Some alternative models to the 74HCT574PW,118 include:

1. SN74HC574N by Texas Instruments
2. CD74HCT574E by Texas Instruments
3. MC74HCT574AN by ON Semiconductor
4. 74HC574D by NXP Semiconductors
5. MM74HCT574WMX by Fairchild Semiconductor

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

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