SN74LS112ANSR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic
• Characteristics: Dual J-K Flip-Flop with Clear
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Sequential Logic Device
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 4.75V to 5.25V
• 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: 0.5V (max)
• Maximum Clock Frequency: 55MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LS112ANSR 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) - J input for the first flip-flop
4. K (K Input) - K input for the first flip-flop
5. Q (Q Output) - Q output of the first flip-flop
6. Q̅ (Q̅ Output) - Complementary output of Q
7. GND (Ground) - Ground reference
8. Q̅ (Q̅ Output) - Complementary output of Q̅
9. Q (Q Output) - Q output of the second flip-flop
10. K (K Input) - K input for the second flip-flop
11. J (J Input) - J input for the second flip-flop
12. CLK (Clock) - Clock input
13. CLR (Clear) - Active LOW clear input
14. VCC (Positive Power Supply) - Positive power supply
15. Q̅ (Q̅ Output) - Complementary output of Q̅
16. Q (Q Output) - Q output of the third flip-flop

Functional Features

• Dual J-K Flip-Flop with Clear functionality
• Synchronous operation with common clock and clear inputs
• Edge-triggered flip-flops for precise timing control
• Direct overriding of individual flip-flops with clear input
• High-speed operation suitable for various digital applications

Advantages and Disadvantages

Advantages: - Provides two J-K flip-flops in a single package, saving board space - Offers synchronous operation for precise timing control - Allows direct clearing of individual flip-flops - Suitable for high-speed digital applications

Disadvantages: - Limited to dual flip-flop functionality - Requires external components for complete circuit implementation

Working Principles

The SN74LS112ANSR is a sequential logic device that consists of two J-K flip-flops with clear functionality. It operates synchronously using a common clock input and clear input. The flip-flops are edge-triggered, meaning they respond to changes in the clock signal.

The J and K inputs determine the behavior of the flip-flops. When both J and K inputs are LOW, the flip-flops hold their previous state. When J is HIGH and K is LOW, the flip-flops toggle their state on each clock pulse. When J is LOW and K is HIGH, the flip-flops reset to their initial state on each clock pulse. When both J and K inputs are HIGH, the flip-flops toggle their state on each clock pulse.

The clear input allows for direct overriding of individual flip-flops. When the clear input is activated (LOW), all flip-flops are cleared to their initial state.

Detailed Application Field Plans

The SN74LS112ANSR is commonly used in various digital applications, including:

1. Counters and Registers: The flip-flops can be used to build counters and registers for counting or storing binary information.
2. Frequency Dividers: By connecting the clock input to an external signal source, the flip-flops can divide the frequency of the input signal.
3. State Machines: The sequential nature of the flip-flops makes them suitable for implementing state machines, which are widely used in control systems and digital circuits.
4. Data Storage: The flip-flops can be used to store data temporarily or as part of a larger memory system.

Detailed and Complete Alternative Models

• SN74LS73AN
• SN74LS109AN
• SN74LS174N
• SN74LS273N
• SN74LS374N

These alternative models offer similar functionality and characteristics to the SN74LS112ANSR and can be used as replacements depending on specific requirements.

In conclusion, the SN74LS112ANSR is a dual J-K flip-flop with clear functionality. It is