SN74F112NG4

Product Overview

• Category: Integrated Circuit
• Use: Logic Gate
• Characteristics: Dual J-K Flip-Flop with Clear and Preset
• Package: DIP-16 (Dual In-Line Package)
• Essence: This integrated circuit is designed to provide two J-K flip-flops with clear and preset functionality in a single package.
• Packaging/Quantity: Available in reels of 2500 units or trays of 98 units.

Specifications

• Supply Voltage: 2V to 6V
• Logic Family: F series
• Number of Pins: 16
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 12 ns (typical)
• Output Current: ±8 mA
• Input Capacitance: 3 pF
• Power Dissipation: 500 mW

Detailed Pin Configuration

The SN74F112NG4 has 16 pins, which are assigned specific functions:

1. CLR (Clear Input for Flip-Flop A)
2. CLK (Clock Input for Flip-Flop A)
3. PR (Preset Input for Flip-Flop A)
4. Q (Output for Flip-Flop A)
5. Q̅ (Complementary Output for Flip-Flop A)
6. GND (Ground)
7. Q̅ (Complementary Output for Flip-Flop B)
8. Q (Output for Flip-Flop B)
9. PR (Preset Input for Flip-Flop B)
10. CLK (Clock Input for Flip-Flop B)
11. CLR (Clear Input for Flip-Flop B)
12. J (J Input for Flip-Flop A)
13. K (K Input for Flip-Flop A)
14. J (J Input for Flip-Flop B)
15. K (K Input for Flip-Flop B)
16. VCC (Positive Power Supply)

Functional Features

• Dual J-K flip-flops with clear and preset functionality.
• Each flip-flop can be individually cleared or preset using the CLR and PR inputs.
• Clock input (CLK) triggers the flip-flops to change their state based on the J and K inputs.
• Outputs (Q and Q̅) provide the current state of each flip-flop.

Advantages and Disadvantages

Advantages: - Compact design with two flip-flops in a single package. - Clear and preset functionality allows for easy initialization. - Wide operating voltage range. - Fast propagation delay for quick response times.

Disadvantages: - Limited output current capability. - Relatively high power dissipation compared to newer logic families. - Limited temperature range for operation.

Working Principles

The SN74F112NG4 is based on the J-K flip-flop circuit, which stores and changes its state based on the clock input and the J and K inputs. The clear and preset inputs allow for easy initialization of the flip-flops. When the clock input transitions from low to high, the flip-flops evaluate the J and K inputs and update their outputs accordingly.

Detailed Application Field Plans

The SN74F112NG4 is commonly used in various digital systems where the storage and manipulation of binary data is required. Some specific application fields include:

1. Counters and frequency dividers
2. Shift registers
3. Data storage and retrieval systems
4. Control circuits
5. Memory address decoding

Detailed and Complete Alternative Models

1. SN74F112D - SOIC-16 (Small Outline Integrated Circuit) package
2. MC74F112N - DIP-16 package
3. CD4013BE - DIP-14 package (similar functionality with fewer pins)

These alternative models offer similar functionality to the SN74F112NG4 and can be used as replacements depending on specific requirements.

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