SN74HC109DRG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: Dual J-K Positive-Edge-Triggered Flip-Flop
• Package: SOIC-16
• Essence: High-Speed CMOS Logic
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage: 2V to 6V
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 15ns (typical)
• Output Current: ±6mA
• Input Capacitance: 3.5pF (typical)

Detailed Pin Configuration

1. CLR (Clear) - Active Low Clear Input
2. CLK (Clock) - Clock Input
3. J (Data Input J)
4. K (Data Input K)
5. Q1 (Flip-Flop Output Q1)
6. Q1̅ (Complementary Output of Q1)
7. GND (Ground)
8. Q2 (Flip-Flop Output Q2)
9. Q2̅ (Complementary Output of Q2)
10. PRE (Preset) - Active Low Preset Input
11. PR̅E (Complementary Input of Preset)
12. VCC (Positive Power Supply)
13. NC (No Connection)
14. D (Data Input D)
15. CP (Clock Pulse) - Clock Enable Input
16. Q (Flip-Flop Output Q)

Functional Features

• Dual J-K positive-edge-triggered flip-flop with clear and preset capabilities.
• High-speed operation suitable for various applications.
• Wide operating voltage range allows compatibility with different systems.
• Low power consumption.
• Schmitt-trigger inputs provide hysteresis for improved noise immunity.
• Outputs can drive up to ±6mA.

Advantages

• Versatile flip-flop with clear and preset capabilities.
• High-speed operation ensures efficient performance.
• Wide operating voltage range allows compatibility with different systems.
• Low power consumption helps conserve energy.
• Schmitt-trigger inputs provide improved noise immunity.
• Output current capability enables driving external loads.

Disadvantages

• Limited number of flip-flops in a single package.
• Not suitable for applications requiring more than two flip-flops.
• May require additional external components for certain applications.

Working Principles

The SN74HC109DRG4 is a dual J-K positive-edge-triggered flip-flop. It operates based on the clock input (CLK) and the data inputs (J, K, D). The flip-flop has clear (CLR) and preset (PRE) inputs, which allow for resetting or setting the outputs to specific states. The outputs (Q1, Q2) change their state based on the clock signal and the input data, following the J-K flip-flop truth table.

Detailed Application Field Plans

The SN74HC109DRG4 is commonly used in various digital systems and applications, including:

1. Counters and frequency dividers
2. Shift registers
3. Data storage and transfer circuits
4. Control and timing circuits
5. Memory address decoding
6. Clock synchronization circuits

Detailed and Complete Alternative Models

1. SN74HC109N - DIP-16 package
2. MC74HC109 - SOIC-16 package
3. CD40109B - PDIP-16 package
4. 74HCT109 - SOIC-16 package

These alternative models offer similar functionality and characteristics to the SN74HC109DRG4, providing options for different packaging preferences or availability.

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