SN74ALS109ADG4

Product Overview

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

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 8ns (typical)
• Output Current: ±24mA
• Logic Family: ALS (Advanced Low-Power Schottky)

Detailed Pin Configuration

The SN74ALS109ADG4 has a total of 16 pins, which are assigned as follows:

1. CLR (Clear) - Clear input
2. CP (Clock Pulse) - 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 for the first flip-flop
6. Q̅ (Q̅ Output) - Complementary Q output for the first flip-flop
7. GND (Ground) - Ground reference
8. Q̅ (Q̅ Output) - Complementary Q output for the second flip-flop
9. Q (Q Output) - Q output for 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. CP (Clock Pulse) - Clock input
13. CLR (Clear) - Clear input
14. VCC (Positive Power Supply) - Positive power supply
15. Q̅ (Q̅ Output) - Complementary Q output for the second flip-flop
16. Q (Q Output) - Q output for the second flip-flop

Functional Features

• Dual J-K positive-edge-triggered flip-flop with clear functionality
• High-speed operation suitable for time-critical applications
• Low-power consumption for energy-efficient designs
• Wide operating voltage range for flexibility in various systems
• Schmitt-trigger inputs for improved noise immunity

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data processing - Low-power consumption reduces energy requirements - Clear functionality enables easy reset of flip-flop states - Wide operating voltage range provides compatibility with different systems - Schmitt-trigger inputs enhance noise immunity, ensuring reliable operation

Disadvantages: - Limited to positive-edge triggering, may not be suitable for all applications requiring different trigger types - Restricted to digital logic applications, not applicable for analog circuits

Working Principles

The SN74ALS109ADG4 is a dual J-K positive-edge-triggered flip-flop. It operates based on the J-K flip-flop concept, where the outputs change state based on the clock signal and the values of the J and K inputs. The clear input allows for resetting the flip-flop to a known state.

Detailed Application Field Plans

The SN74ALS109ADG4 is commonly used in various digital logic applications, including but not limited to: - Sequential logic circuits - Counters and registers - Data storage and retrieval systems - Synchronous data transfer systems - Microprocessor-based systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the SN74ALS109ADG4 are: - SN74LS109A - SN74HC109 - SN74HCT109 - CD40109B - MC14069UB

These models offer similar functionality and characteristics, providing options for different design requirements.

Word count: 345 words