MC14044BDR2G
Quad SR-type latches with transparent 3-state outputs in 16-pin SOIC
Manufacturer： onsemi
series introduction
# Introduction to the MC14044BDR2G Product Series
## 1. Overview
The MC14044BDR2G is a part of a well - established and highly reliable integrated circuit product series. These integrated circuits are designed to meet a wide range of digital logic requirements in various electronic applications. They are based on the 4000 series of CMOS (Complementary Metal - Oxide - Semiconductor) logic devices, which are known for their low power consumption, high noise immunity, and wide operating voltage range.
## 2. Key Features
### 2.1 Logic Function
The MC14044BDR2G is a quad 3 - state NOR latch. Each of the four latches within the device has a data input (D), a clock input (C), and an output enable input (OE). The NOR function means that the output of the latch is determined by the logical NOR operation of the input signals. When the clock signal transitions from low to high (positive edge - triggered), the data present at the D input is latched and held at the output. The 3 - state feature allows the output to be in a high - impedance state when the output enable input is inactive, which is useful for bus - sharing applications.
### 2.2 Low Power Consumption
One of the significant advantages of the MC14044BDR2G is its low power consumption. CMOS technology inherently consumes less power compared to other logic families such as TTL (Transistor - Transistor Logic). This makes it an ideal choice for battery - powered devices or applications where power efficiency is a critical factor. The low power consumption also results in less heat generation, which can improve the overall reliability and lifespan of the electronic system.
### 2.3 High Noise Immunity
CMOS logic circuits, including the MC14044BDR2G, have excellent noise immunity. They can tolerate a relatively large amount of noise on the input signals without affecting the correct operation of the circuit. This is due to the high input impedance of CMOS devices, which reduces the coupling of noise from the input sources. High noise immunity is crucial in environments where there are electromagnetic interferences, such as industrial settings or near high - power electrical equipment.
### 2.4 Wide Operating Voltage Range
The MC14044BDR2G can operate over a wide voltage range, typically from 3V to 18V. This flexibility allows it to be used in a variety of power supply configurations. It can be easily integrated into systems with different power requirements, whether it is a low - voltage microcontroller - based system or a higher - voltage industrial control system.
## 3. Package and Pinout
### 3.1 Package Type
The MC14044BDR2G is available in a small - outline integrated circuit (SOIC) package. The SOIC package is a surface - mount package that offers several advantages. It has a relatively small footprint, which is beneficial for printed circuit board (PCB) design, especially in applications where space is limited. The surface - mount nature of the package also allows for automated assembly processes, which can increase production efficiency and reduce costs.
### 3.2 Pinout
The device has a total of 16 pins. The pins are arranged in a specific configuration to provide access to the various inputs and outputs of the four latches. The data inputs (D), clock inputs (C), and output enable inputs (OE) for each latch are clearly defined, along with the power supply pins (VDD and VSS). The output pins (Q) for each latch are also easily accessible, allowing for straightforward connection to other components in the circuit.
## 4. Applications
### 4.1 Data Storage and Transfer
The latches in
Images for reference
16 SOIC
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