SN74BCT574NSRG4

Product Overview

• Category: Integrated Circuit
• Use: Flip-Flop
• Characteristics: High-speed, TTL-compatible, Octal D-type transparent latch
• Package: 20-pin small-outline integrated circuit (SOIC)
• Essence: A latch that can store and transfer data in digital systems
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Logic Family: BCT
• Number of Bits: 8
• Input Voltage Range: 2V to 6V
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to 85°C
• Propagation Delay Time: 7.5 ns (typical)
• Supply Current: 80 mA (max)

Detailed Pin Configuration

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. Q0 (Output 0)
13. Q1 (Output 1)
14. Q2 (Output 2)
15. Q3 (Output 3)
16. Q4 (Output 4)
17. Q5 (Output 5)
18. Q6 (Output 6)
19. Q7 (Output 7)
20. VCC (Power Supply)

Functional Features

The SN74BCT574NSRG4 is a high-speed octal D-type transparent latch designed for use in digital systems. It operates on TTL logic levels, making it compatible with a wide range of devices. The latch can store and transfer data based on the clock pulse input and output enable signals. It features eight data inputs (D0-D7) and eight corresponding outputs (Q0-Q7). The latch is transparent when the output enable (OE) signal is high, allowing the data inputs to be transferred to the outputs. When the OE signal is low, the latch holds the previously stored data.

Advantages and Disadvantages

Advantages: - High-speed operation - TTL-compatible interface - Octal configuration for efficient data handling - Transparent latch design for easy data transfer

Disadvantages: - Limited voltage range (2V to 6V) - Relatively high supply current (80 mA max)

Working Principles

The SN74BCT574NSRG4 operates based on the principles of digital storage and transfer. When the clock pulse (CP) signal transitions from low to high, the latch captures the data present at the inputs (D0-D7) and stores it. The stored data is then available at the outputs (Q0-Q7) when the output enable (OE) signal is high. When the OE signal is low, the latch holds the previously stored data, preventing any changes in the outputs.

Detailed Application Field Plans

The SN74BCT574NSRG4 is commonly used in various digital systems where data storage and transfer are required. Some specific application fields include:

1. Microprocessors: The latch can be used to hold and transfer data between the microprocessor and other peripheral devices.
2. Memory Systems: It can be utilized in memory modules to store and retrieve data efficiently.
3. Communication Systems: The latch enables data buffering and synchronization in communication interfaces.
4. Control Systems: It can be employed in control circuits to store and update control signals.

Detailed and Complete Alternative Models

1. SN74BCT574N: Similar to SN74BCT574NSRG4, but in a 20-pin plastic dual in-line package (PDIP).
2. MC74ACT574: An alternative from a different manufacturer, offering similar functionality in a different package.
3. CD74HCT574E: Another alternative with TTL-compatible inputs and outputs, available in a 20-pin wide-body plastic dual in-line package.

These alternative models provide similar features and can be used as replacements for the SN74BCT574NSRG4 based on specific requirements and availability.

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