CD74HCT109E

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic
• Characteristics: High-Speed CMOS, Dual J-K Flip-Flop with Set and Reset
• Package: 16-Pin DIP (Dual In-Line Package)
• Essence: The CD74HCT109E is a dual J-K flip-flop with set and reset capabilities. It operates at high-speed using CMOS technology.
• Packaging/Quantity: Available in tubes or reels, with quantities varying based on manufacturer specifications.

Specifications

• Supply Voltage: 2V to 6V
• Logic Family: HCT
• Number of Pins: 16
• Operating Temperature Range: -55°C to +125°C
• Propagation Delay: 13 ns (typical)
• Output Current: ±4 mA
• Input Capacitance: 3.5 pF (typical)

Pin Configuration

The CD74HCT109E has 16 pins arranged as follows:

__ __ Q1 -| 1 16 |- Vcc Q2 -| 2 15 |- Q0 CP -| 3 14 |- MR D1 -| 4 13 |- PR D2 -| 5 12 |- CLR GND -| 6 11 |- CLK J1 -| 7 10 |- K1 J2 -| 8 9 |- K2 --------

Functional Features

• Dual J-K flip-flops with independent set and reset inputs.
• High-speed operation suitable for various digital logic applications.
• Wide operating voltage range allows compatibility with different systems.
• CMOS technology provides low power consumption and high noise immunity.
• Output state can be asynchronously reset or set using the MR (Master Reset) and PR (Preset) inputs.

Advantages

• Versatile functionality with dual flip-flops and set/reset capabilities.
• High-speed operation enables efficient processing of digital signals.
• Wide operating voltage range allows compatibility with different systems.
• CMOS technology ensures low power consumption and high noise immunity.

Disadvantages

• Limited number of flip-flops in a single package.
• Propagation delay may affect timing-sensitive applications.
• Requires careful consideration of input and output voltage levels to prevent damage.

Working Principles

The CD74HCT109E operates based on the principles of J-K flip-flops. It consists of two independent flip-flops, each capable of storing one bit of information. The J and K inputs determine the behavior of the flip-flop, while the clock input synchronizes the internal operations.

When the clock signal transitions from low to high, the current state of the J and K inputs is captured and stored in the flip-flop. The outputs reflect the stored values until the next clock transition occurs. The set (MR) and reset (PR) inputs allow for asynchronous control of the flip-flop's state.

Detailed Application Field Plans

The CD74HCT109E is commonly used in various digital logic applications, including:

1. Counters and frequency dividers
2. Shift registers
3. Data storage and retrieval systems
4. Control circuits
5. Clock synchronization modules

Its versatility and high-speed operation make it suitable for a wide range of applications where reliable digital signal processing is required.

Detailed and Complete Alternative Models

1. SN74HCT109 - Similar dual J-K flip-flop with set and reset capabilities, offered by Texas Instruments.
2. MC74HCT109 - Dual J-K flip-flop with set and reset inputs, manufactured by ON Semiconductor.
3. CD40109B - Quad J-K flip-flop with set and reset, available from Texas Instruments.

These alternative models provide similar functionality to the CD74HCT109E and can be considered as alternatives based on specific requirements and availability.

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