SN74AHC574DBR

Product Overview

• Category: Integrated Circuit
• Use: Flip-Flop / Latch
• Characteristics: High-Speed, Low-Power, Octal D-Type Flip-Flop with 3-State Outputs
• Package: SSOP (Shrink Small Outline Package)
• Essence: This integrated circuit is designed to store and transfer data in electronic systems. It provides eight flip-flops with 3-state outputs.
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2 V to 5.5 V
• High-Level Input Voltage: 0.7 x VCC to VCC + 0.5 V
• Low-Level Input Voltage: -0.5 V to 0.3 x VCC
• High-Level Output Current: -8 mA
• Low-Level Output Current: 8 mA
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The SN74AHC574DBR has a total of 20 pins, which are assigned 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 (Flip-Flop Output 0)
14. Q1 (Flip-Flop Output 1)
15. Q2 (Flip-Flop Output 2)
16. Q3 (Flip-Flop Output 3)
17. Q4 (Flip-Flop Output 4)
18. Q5 (Flip-Flop Output 5)
19. Q6 (Flip-Flop Output 6)
20. VCC (Supply Voltage)

Functional Features

• Octal D-Type Flip-Flop: The SN74AHC574DBR provides eight individual flip-flops, allowing for the storage and transfer of data.
• 3-State Outputs: The outputs of each flip-flop can be put into a high-impedance state using the Output Enable (OE) pin, enabling multiple devices to share a common bus.
• High-Speed Operation: This IC operates at high speeds, making it suitable for applications that require fast data processing.
• Low-Power Consumption: The SN74AHC574DBR is designed to minimize power consumption, making it ideal for battery-powered devices.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data processing. - Low-power consumption extends battery life in portable devices. - 3-state outputs enable easy sharing of data buses between multiple devices.

Disadvantages: - Limited number of flip-flops (8), which may not be sufficient for certain applications requiring more storage capacity. - SSOP package may be challenging to solder for inexperienced users.

Working Principles

The SN74AHC574DBR operates based on the principles of digital logic. It uses flip-flops to store and transfer data. The clock pulse (CP) input controls the timing of data storage and transfer. When the CP signal transitions from low to high, the data present at the inputs (D0-D7) is latched and stored in the corresponding flip-flops. The stored data can then be accessed at the outputs (Q0-Q7). The Output Enable (OE) pin allows the outputs to be put into a high-impedance state, effectively disconnecting them from the bus.

Detailed Application Field Plans

The SN74AHC574DBR is widely used in various electronic systems that require data storage and transfer. Some of its common application fields include:

1. Microcontrollers: The IC can be used to interface microcontrollers with external devices, allowing for efficient data exchange.
2. Memory Systems: It can be utilized in memory systems to store and retrieve data from RAM or other storage devices.
3. Communication Systems: The IC enables data buffering and synchronization in communication systems, ensuring reliable data transmission.
4. Industrial Automation: It finds applications in industrial automation systems for controlling and monitoring processes using stored data.

Detailed and Complete Alternative Models

1. SN74AHC574PW: This model offers the same functionality as SN74AHC574DBR but comes in a TSSOP (Thin Shrink Small Outline Package) package.
2. MC74HC574AN: A compatible alternative from a different manufacturer, Motorola, offering similar features and performance.
3. CD74HCT574E: This model operates at higher voltage levels (up to 6 V) and is available