SN74LS377NSR

Product Overview

Category: Integrated Circuit (IC)

Use: The SN74LS377NSR is a high-performance octal D-type flip-flop with clear, designed for general-purpose storage applications. It can be used in various digital systems where data synchronization and storage are required.

Characteristics: - Octal D-type flip-flop - Clear function for synchronous clearing of all flip-flops - High-speed operation - Low power consumption - Wide operating voltage range - Compatible with TTL logic levels - Available in surface mount package

Package: The SN74LS377NSR is available in a small-outline integrated circuit (SOIC) package. This package provides ease of handling and allows for compact designs.

Essence: The essence of the SN74LS377NSR lies in its ability to store and synchronize data in digital systems. It offers reliable and efficient data storage capabilities, making it an essential component in various electronic devices.

Packaging/Quantity: The SN74LS377NSR is typically packaged in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the manufacturer and supplier.

Specifications

• Supply Voltage Range: 4.75V to 5.25V
• High-Level Input Voltage: 2V (min)
• Low-Level Input Voltage: 0.8V (max)
• High-Level Output Voltage: 2.7V (min)
• Low-Level Output Voltage: 0.5V (max)
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 15ns (typical)

Detailed Pin Configuration

The SN74LS377NSR has a total of 20 pins, which are assigned specific functions as follows:

1. D0: Data input for flip-flop 0
2. D1: Data input for flip-flop 1
3. D2: Data input for flip-flop 2
4. D3: Data input for flip-flop 3
5. D4: Data input for flip-flop 4
6. D5: Data input for flip-flop 5
7. D6: Data input for flip-flop 6
8. D7: Data input for flip-flop 7
9. GND: Ground (0V reference)
10. CP: Clock pulse input for flip-flops
11. MR: Master reset input (active low)
12. Q0: Output of flip-flop 0
13. Q1: Output of flip-flop 1
14. Q2: Output of flip-flop 2
15. Q3: Output of flip-flop 3
16. Q4: Output of flip-flop 4
17. Q5: Output of flip-flop 5
18. Q6: Output of flip-flop 6
19. Q7: Output of flip-flop 7
20. VCC: Positive power supply voltage

Functional Features

• Synchronous operation: The SN74LS377NSR performs data storage and synchronization based on the clock pulse input.
• Clear function: The master reset input (MR) allows for synchronous clearing of all flip-flops, resetting them to a known state.
• High-speed operation: The IC is designed for high-performance applications, ensuring fast and efficient data storage.
• Low power consumption: The SN74LS377NSR is optimized for low power consumption, making it suitable for battery-powered devices.
• Wide operating voltage range: It can operate within a wide voltage range, providing flexibility in various electronic systems.
• TTL compatibility: The IC is compatible with TTL logic levels, allowing for easy integration into existing digital circuits.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data storage. - Low power consumption makes it suitable for portable devices. - Wide operating voltage range provides flexibility in different applications. - Clear function allows for synchronous clearing of all flip-flops. - Compatibility with TTL logic levels simplifies integration into existing circuits.

Disadvantages: - Limited number of flip-flops (8) may not be sufficient for complex applications requiring more storage elements. - Propagation delay time may affect timing-sensitive systems.

Working Principles

The SN74LS377NSR operates based on the principles of D-type flip-flops. It stores data at the rising edge of the clock pulse input (CP). The stored data remains unchanged until the next clock pulse arrives. The master reset input (MR) can be used to clear all flip-flops simultaneously, resetting them to a known state.

Detailed Application Field Plans

The SN74LS377NSR can be applied in various digital systems that require data storage and synchronization. Some potential application