SN74LS76ADR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: Dual J-K Flip-Flop with Clear and Preset
• Package: SOIC-16
• Essence: The SN74LS76ADR is a dual J-K flip-flop IC that provides the functionality of two individual J-K flip-flops in a single package.
• Packaging/Quantity: Available in reels of 2500 pieces or tubes of 50 pieces.

Specifications

• Supply Voltage Range: 4.75V to 5.25V
• High-Level Input Voltage: 2V (min), 7V (max)
• Low-Level Input Voltage: -0.5V (min), 0.8V (max)
• High-Level Output Voltage: 2.7V (min), VCC (max)
• Low-Level Output Voltage: 0.5V (max)
• Maximum Operating Frequency: 33 MHz
• Propagation Delay Time: 15 ns (typical)

Detailed Pin Configuration

The SN74LS76ADR has a total of 16 pins, which are assigned specific functions as follows:

1. CLR (Clear) - Active low clear input pin for resetting the flip-flop.
2. CP (Clock Pulse) - Clock input pin for triggering the flip-flop.
3. J (J Input) - J input pin for setting the flip-flop output based on the clock pulse.
4. K (K Input) - K input pin for resetting the flip-flop output based on the clock pulse.
5. Q1 (Output 1) - Output pin for the first flip-flop.
6. Q1' (Complementary Output 1) - Complementary output pin for the first flip-flop.
7. GND (Ground) - Ground reference pin.
8. Q2 (Output 2) - Output pin for the second flip-flop.
9. Q2' (Complementary Output 2) - Complementary output pin for the second flip-flop.
10. PRE (Preset) - Active low preset input pin for setting the flip-flop output.
11. CPD (Clock Pulse Disable) - Clock pulse disable input pin for disabling the clock pulse.
12. NC (No Connection) - No connection pin.
13. NC (No Connection) - No connection pin.
14. VCC (Positive Power Supply) - Positive power supply pin.
15. NC (No Connection) - No connection pin.
16. NC (No Connection) - No connection pin.

Functional Features

• Dual J-K Flip-Flop: The SN74LS76ADR integrates two independent J-K flip-flops in a single package, allowing for compact circuit designs.
• Clear and Preset Inputs: The IC provides clear and preset inputs to easily reset or set the flip-flop outputs.
• Clock Pulse Triggered: The flip-flop outputs are updated based on the rising edge of the clock pulse input.
• Complementary Outputs: Each flip-flop has a complementary output, providing both true and inverted outputs.

Advantages and Disadvantages

Advantages: - Compact Design: Integration of two flip-flops in a single package saves board space. - Clear and Preset Functionality: Easy control over the flip-flop outputs. - Complementary Outputs: Provides flexibility in circuit design.

Disadvantages: - Limited Operating Frequency: Maximum operating frequency of 33 MHz may not be suitable for high-speed applications. - Single Package: Failure of one flip-flop affects the functionality of both.

Working Principles

The SN74LS76ADR operates as a synchronous dual J-K flip-flop. The flip-flop outputs are updated based on the rising edge of the clock pulse input. The J and K inputs determine the output state based on the current state and the clock pulse. The clear and preset inputs allow for easy resetting or setting of the flip-flop outputs.

Detailed Application Field Plans

The SN74LS76ADR can be used in various applications, including: - Sequential Logic Circuits - Counters and Registers - Data Storage and Transfer Systems - Control Systems

Detailed and Complete Alternative Models

Some alternative models to the SN74LS76ADR include: - 74HC76: Dual J-K Flip-Flop with Clear and Preset (CMOS technology) - CD4027: Dual J-K Master-Slave Flip-Flop with Set and Reset (CMOS technology) - MC14027B: Dual J-K Master-Slave Flip-Flop with Set and Reset (TTL technology)

These alternative models offer similar functionality but may have different specifications and pin configurations.

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