74LCX821MSA

Product Overview

Category: Integrated Circuit (IC)
Use: Logic Gate
Characteristics: Low Voltage, Fast Speed
Package: Surface Mount
Essence: High-performance CMOS technology
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

Supply Voltage: 2.3V to 3.6V
Input Voltage: 0V to Vcc
Output Voltage: 0V to Vcc
Operating Temperature: -40°C to +85°C
Propagation Delay: 2.5ns (max)
Input Capacitance: 4pF (typ)
Output Capacitance: 6pF (typ)

Detailed Pin Configuration

The 74LCX821MSA has a total of 20 pins arranged as follows:

GND (Ground)
A0 (Input A0)
A1 (Input A1)
A2 (Input A2)
A3 (Input A3)
A4 (Input A4)
A5 (Input A5)
A6 (Input A6)
A7 (Input A7)
OE (Output Enable)
Y0 (Output Y0)
Y1 (Output Y1)
Y2 (Output Y2)
Y3 (Output Y3)
Y4 (Output Y4)
Y5 (Output Y5)
Y6 (Output Y6)
Y7 (Output Y7)
Vcc (Power Supply)
GND (Ground)

Functional Features

8-bit transparent latch with 3-state outputs
Low voltage operation for reduced power consumption
High-speed operation for efficient data processing
3-state outputs allow multiple devices to share a common bus

Advantages and Disadvantages

Advantages: - Low voltage operation enables compatibility with modern electronic systems - Fast speed allows for quick data transfer and processing - 3-state outputs facilitate bus sharing among multiple devices

Disadvantages: - Limited input/output voltage range (0V to Vcc) - Relatively small input/output capacitance may limit performance in certain applications

Working Principles

The 74LCX821MSA is based on high-performance CMOS technology, which allows for low voltage operation and fast speed. It functions as an 8-bit transparent latch with 3-state outputs. When the output enable (OE) pin is active, the inputs are latched and transferred to the outputs. The 3-state outputs provide flexibility by allowing multiple devices to share a common bus.

Detailed Application Field Plans

The 74LCX821MSA can be used in various applications that require high-speed data processing and low voltage operation. Some potential application fields include:

Microcontrollers and embedded systems
Communication systems
Data storage devices
Industrial automation
Automotive electronics

Detailed and Complete Alternative Models

74HC821: Similar functionality but operates at higher voltage levels (2V to 6V).
74ACT821: Faster speed and wider voltage range (4.5V to 5.5V) compared to 74LCX821MSA.
74LVX821: Low voltage operation (2V to 3.6V) with improved noise immunity.

These alternative models offer similar functionality to the 74LCX821MSA but may have different specifications and characteristics.

Word count: 346 words

Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням 74LCX821MSA у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of 74LCX821MSA in technical solutions:

Q: What is the 74LCX821MSA? A: The 74LCX821MSA is a specific type of integrated circuit (IC) that functions as an 8-bit D-type flip-flop with 3-state outputs.
Q: What are the typical applications of the 74LCX821MSA? A: The 74LCX821MSA is commonly used in digital systems for data storage, synchronization, and signal routing purposes.
Q: What is the maximum operating voltage for the 74LCX821MSA? A: The maximum operating voltage for the 74LCX821MSA is typically 3.6 volts.
Q: Can the 74LCX821MSA be used in both synchronous and asynchronous applications? A: Yes, the 74LCX821MSA can be used in both synchronous and asynchronous applications depending on the system requirements.
Q: How many flip-flops are there in the 74LCX821MSA? A: The 74LCX821MSA consists of 8 individual flip-flops, each capable of storing one bit of data.
Q: What is the output drive capability of the 74LCX821MSA? A: The 74LCX821MSA has a high output drive capability, allowing it to drive relatively heavy loads without external buffering.
Q: Can the 74LCX821MSA operate at high frequencies? A: Yes, the 74LCX821MSA is designed to operate at high frequencies, making it suitable for use in fast digital systems.
Q: Does the 74LCX821MSA have any power-saving features? A: Yes, the 74LCX821MSA incorporates power-saving features such as a low-power standby mode and a power-down option for unused flip-flops.
Q: Can the 74LCX821MSA be cascaded to create larger storage capacities? A: Yes, multiple 74LCX821MSA ICs can be cascaded together to increase the overall storage capacity of a system.
Q: Are there any specific precautions to consider when using the 74LCX821MSA? A: It is important to ensure that the voltage levels and timing requirements of the system are compatible with the specifications of the 74LCX821MSA. Additionally, proper decoupling capacitors should be used to minimize noise and ensure stable operation.