SN74HC574APWR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-speed, low-power, octal D-type flip-flop with 3-state outputs
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: The SN74HC574APWR is a versatile integrated circuit that provides eight D-type flip-flops with 3-state outputs in a single package.
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

The SN74HC574APWR has the following specifications:

• Supply Voltage Range: 2V to 6V
• High-Level Input Voltage: 2V to VCC + 0.5V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Voltage: VCC - 0.5V
• Low-Level Output Voltage: 0.1V
• Maximum Operating Frequency: 80 MHz
• Propagation Delay Time: 13 ns
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The SN74HC574APWR has a total of 20 pins, which are arranged 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 SN74HC574APWR offers the following functional features:

• Octal D-type flip-flop with 3-state outputs
• High-speed operation, suitable for applications requiring fast data transfer
• Low-power consumption, making it energy-efficient
• 3-state outputs allow multiple devices to share a common bus without interference
• Master reset function for clearing all flip-flops simultaneously
• Output enable control for enabling/disabling the outputs

Advantages and Disadvantages

Advantages of the SN74HC574APWR include:

• High-speed operation allows for efficient data processing
• Low-power consumption reduces energy usage
• Versatile functionality with 3-state outputs and master reset capability
• Compact package size for space-constrained applications

Disadvantages of the SN74HC574APWR include:

• Limited operating voltage range (2V to 6V)
• Propagation delay time may impact timing-sensitive applications

Working Principles

The SN74HC574APWR operates based on the principles of digital logic. It uses D-type flip-flops to store and transfer data. The clock pulse input (CP) triggers the flip-flops to capture the data present at the data inputs (D0-D7). The captured data is then stored in the flip-flops until the next clock pulse.

The output enable (OE) pin controls whether the outputs (Q0-Q7) are active or in a high-impedance state. When OE is low, the outputs are enabled and reflect the stored data. When OE is high, the outputs are disabled and enter a high-impedance state, allowing other devices to drive the bus.

The master reset (MR) pin clears all flip-flops simultaneously when activated. This feature is useful for initializing the circuit or clearing unwanted data.

Detailed Application Field Plans

The SN74HC574APWR can be used in various applications, including:

1. Data storage and transfer systems
2. Address decoding circuits
3. Bus interface units
4. Register banks
5. Memory modules
6. Control units in microprocessors
7. Communication systems
8. Industrial automation

Its high-speed operation, low-power consumption, and 3-state outputs make it suitable for applications that require efficient data processing and sharing of a common bus.

Detailed and Complete Alternative Models

Some alternative models to the SN74HC574APWR include:

1. SN74LS574: Low-power Schottky version with similar functionality
2. SN54HC574: Standard temperature range variant of SN74HC574APWR
3. MC74HC574A: Motorola-branded equivalent with comparable specifications
4. CD74HC574: Texas Instruments' CMOS version