DS1642-100+ Encyclopedia Entry
Product Overview
Category
The DS1642-100+ belongs to the category of integrated circuits (ICs).
Use
This product is commonly used for real-time clock (RTC) applications.
Characteristics
- The DS1642-100+ is a low-power, high-performance RTC IC.
- It offers accurate timekeeping and calendar functions.
- This IC operates in a wide temperature range, making it suitable for various environments.
Package
The DS1642-100+ is available in a small outline integrated circuit (SOIC) package.
Essence
The essence of the DS1642-100+ lies in its ability to provide reliable and precise timekeeping functionality.
Packaging/Quantity
This product is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.
Specifications
- Supply Voltage: 2.7V to 5.5V
- Timekeeping Accuracy: ±2 minutes per month at 25°C
- Operating Temperature Range: -40°C to +85°C
- Clock Frequency: 32.768 kHz
- Battery Backup Voltage: 2.0V to 3.7V
Detailed Pin Configuration
The DS1642-100+ has the following pin configuration:
- VCC - Power supply input
- GND - Ground connection
- SDA - Serial data line
- SCL - Serial clock line
- X1 - Crystal oscillator input
- X2 - Crystal oscillator output
- RST - Reset input
- VBAT - Battery backup voltage input
Functional Features
- Real-time clock with calendar functions
- Battery backup for continuous timekeeping during power loss
- Alarm and timer functions
- Programmable square wave output
- I2C interface for easy integration with microcontrollers
Advantages and Disadvantages
Advantages
- Accurate timekeeping and calendar functions
- Wide operating temperature range
- Low power consumption
- Small form factor for space-constrained applications
Disadvantages
- Limited memory capacity for additional data storage
- Reliance on an external crystal oscillator for clock accuracy
Working Principles
The DS1642-100+ utilizes a combination of an internal oscillator and an external crystal oscillator to maintain accurate timekeeping. It operates by continuously counting the oscillations of the crystal, which provides a stable time base. The IC also incorporates a battery backup system to ensure uninterrupted timekeeping during power outages.
Detailed Application Field Plans
The DS1642-100+ finds applications in various fields, including:
- Consumer electronics: Used in digital clocks, watches, and home appliances.
- Industrial automation: Integrated into control systems and data loggers.
- Automotive: Employed in car dashboard clocks and event recorders.
- Medical devices: Utilized in patient monitoring systems and medical equipment.
- Communication systems: Integrated into network switches and routers for accurate time synchronization.
Detailed and Complete Alternative Models
- DS3231 - A highly accurate RTC IC with temperature compensation.
- PCF8563 - An I2C-bus RTC IC with alarm and timer functions.
- MCP7940N - A low-power RTC IC with battery backup and I2C interface.
These alternative models offer similar functionalities to the DS1642-100+ and can be considered as alternatives based on specific requirements.
In conclusion, the DS1642-100+ is a reliable and versatile RTC IC that provides accurate timekeeping and calendar functions. Its compact size, wide operating temperature range, and low power consumption make it suitable for various applications across different industries.
技術ソリューションにおける DS1642-100+ の適用に関連する 10 件の一般的な質問と回答をリストします。
Sure! Here are 10 common questions and answers related to the application of DS1642-100+ in technical solutions:
Q: What is DS1642-100+? A: DS1642-100+ is a specific model of a digital temperature sensor and real-time clock (RTC) integrated circuit.
Q: What are the key features of DS1642-100+? A: The key features of DS1642-100+ include temperature sensing, real-time clock functionality, non-volatile memory, and I2C interface compatibility.
Q: How can DS1642-100+ be used in technical solutions? A: DS1642-100+ can be used for applications that require accurate temperature monitoring and timekeeping, such as industrial automation, data loggers, medical devices, and consumer electronics.
Q: How does DS1642-100+ measure temperature? A: DS1642-100+ uses an internal temperature sensor to measure ambient temperature accurately.
Q: Can DS1642-100+ be used with microcontrollers or single-board computers? A: Yes, DS1642-100+ can be easily interfaced with microcontrollers or single-board computers using the I2C communication protocol.
Q: Does DS1642-100+ require an external power supply? A: Yes, DS1642-100+ requires a separate power supply, typically between 2.7V and 5.5V.
Q: Can DS1642-100+ retain time and temperature data during power loss? A: Yes, DS1642-100+ has non-volatile memory that allows it to retain time and temperature data even when the power is disconnected.
Q: Is DS1642-100+ accurate in temperature measurement? A: Yes, DS1642-100+ has a high level of accuracy in temperature measurement, typically within ±2°C.
Q: Can DS1642-100+ be used in battery-powered devices? A: Yes, DS1642-100+ is suitable for battery-powered devices due to its low power consumption.
Q: Are there any programming libraries or examples available for DS1642-100+? A: Yes, the manufacturer provides programming libraries and example code that can be used to interface with DS1642-100+ in various programming languages.
Please note that the answers provided here are general and may vary depending on the specific implementation and requirements of your technical solution.