SN74ACT574PW

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop / Latch
• Characteristics: High-speed, low-power, octal D-type transparent latch
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: The SN74ACT574PW is a versatile latch that can store and transfer data in electronic circuits.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Logic Family: ACT
• Number of Bits: 8 (Octal)
• Output Type: Tri-State
• Operating Temperature Range: -40°C to +85°C
• Input/Output Compatibility: TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor)

Detailed Pin Configuration

The SN74ACT574PW has a total of 20 pins, which are assigned specific functions 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. Q7: Output 7

Functional Features

• Octal D-Type Transparent Latch: The SN74ACT574PW can store and transfer data using eight individual latches.
• Tri-State Outputs: The outputs can be disabled by the Output Enable (OE) pin, allowing multiple devices to share a common bus.
• High-Speed Operation: The ACT family of logic ICs offers fast switching times, making it suitable for high-speed applications.
• Low Power Consumption: The SN74ACT574PW is designed to operate with low power consumption, making it energy-efficient.

Advantages and Disadvantages

Advantages: - Versatile latch suitable for various applications - Tri-state outputs allow for efficient bus sharing - High-speed operation enables quick data transfer - Low power consumption contributes to energy efficiency

Disadvantages: - Limited number of bits (8) may not be sufficient for certain applications requiring larger data storage capacity - TSSOP package may require careful handling during assembly due to its small size

Working Principles

The SN74ACT574PW operates based on the principles of flip-flops and latches. It stores data at the inputs (D0-D7) when the clock pulse (CP) is triggered. The stored data is then transferred to the outputs (Q0-Q7) when the output enable (OE) signal is active. The master reset (MR) pin allows for resetting all the outputs to a known state.

Detailed Application Field Plans

The SN74ACT574PW finds applications in various electronic systems, including but not limited to: - Microprocessors and microcontrollers - Data storage systems - Communication equipment - Industrial automation - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

• SN74ACT373: Octal D-Type Transparent Latch with 3-State Outputs
• SN74ACT573: Octal D-Type Transparent Latch with 3-State Outputs and Power-Up 3-State

These alternative models offer similar functionality to the SN74ACT574PW but may have additional features or variations in pin configuration.

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