SN74S112ANSRE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Gate
• Characteristics: Dual J-K Flip-Flop with Clear
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: High-speed, low-power consumption flip-flop
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• High-Level Input Voltage: 2V to VCC
• Low-Level Input Voltage: GND to 0.8V
• High-Level Output Voltage: 2.7V (min)
• Low-Level Output Voltage: 0.4V (max)
• Maximum Operating Frequency: 125 MHz
• Propagation Delay Time: 6 ns (typical)

Detailed Pin Configuration

The SN74S112ANSRE4 has a total of 16 pins, which are assigned as follows:

1. CLR (Clear) - Active LOW clear input
2. CLK (Clock) - Clock input
3. J - J input for the first flip-flop
4. K - K input for the first flip-flop
5. Q1 - Output of the first flip-flop
6. Q̅1 - Complementary output of the first flip-flop
7. GND - Ground
8. Q̅2 - Complementary output of the second flip-flop
9. Q2 - Output of the second flip-flop
10. K - K input for the second flip-flop
11. J - J input for the second flip-flop
12. VCC - Positive power supply

Functional Features

• Dual J-K flip-flop with independent set and reset inputs
• Edge-triggered flip-flops with synchronous operation
• Clear input to reset the flip-flops to a known state
• High-speed operation with low power consumption
• Wide supply voltage range for versatility

Advantages and Disadvantages

Advantages: - Dual flip-flop design allows for more complex logic operations - Independent set and reset inputs provide flexibility in circuit design - High-speed operation enables efficient data processing - Low power consumption reduces energy requirements

Disadvantages: - Limited to synchronous operation, may not be suitable for all applications - Requires careful consideration of clock timing to avoid race conditions - Only supports positive-edge triggering, limiting compatibility with certain systems

Working Principles

The SN74S112ANSRE4 is a dual J-K flip-flop with clear functionality. It operates based on the principles of sequential logic, where the outputs depend on both the current inputs and the previous state of the flip-flops.

The flip-flops are edge-triggered, meaning they respond to changes in the clock input. When the clock signal transitions from low to high (positive edge), the inputs are sampled, and the outputs are updated accordingly. The J and K inputs determine the next state of the flip-flops based on their current state and the clock transition.

The clear input allows for resetting the flip-flops to a known state. When the clear input is activated (pulled low), both flip-flops are forced into a specific state, regardless of the clock or input conditions.

Detailed Application Field Plans

The SN74S112ANSRE4 is commonly used in various digital systems and applications, including:

1. Counters and frequency dividers
2. Shift registers and data storage circuits
3. Control and timing circuits
4. Memory address decoding
5. Synchronous data transfer between devices
6. Clock synchronization and distribution

Its versatility and reliable performance make it suitable for a wide range of digital logic applications.

Detailed and Complete Alternative Models

1. SN74S112AN - Similar specifications and pin configuration, but without the "SRE4" package option.
2. SN74LS112N - Lower power consumption variant with slightly different characteristics.
3. SN74HC112N - High-speed CMOS version with improved noise immunity.

These alternative models offer similar functionality and can be used as replacements for the SN74S112ANSRE4 in various applications.

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