DS1302S+T&R

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DS1302S+T&R

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IC RTC CLK/CALENDAR SER 8-SOIC

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Spezifikationen

Attribut Wert
Supplier Analog Devices Inc./Maxim Integrated
Package Tape & Reel (TR)
ProductStatus Obsolete
Type Clock/Calendar
Features Leap Year, NVSRAM, Trickle-Charger
MemorySize 31B
TimeFormat HH:MM:SS (12/24 hr)
DateFormat YY-MM-DD-dd
Interface 3-Wire Serial
Voltage-Supply 2V ~ 5.5V
Voltage-SupplyBattery 2V ~ 5.5V
Current-Timekeeping(Max) 0.3µA ~ 1µA @ 2V ~ 5V
OperatingTemperature 0°C ~ 70°C
MountingType Surface Mount
Package/Case 8-SOIC (0.209, 5.30mm Width)

Übersicht

Description

The DS1302S+T&R is a real-time clock (RTC) integrated circuit from Maxim Integrated. It is designed to keep track of time and date even when the main device is powered off. The DS1302S specifically offers features like timekeeping with seconds, minutes, hours, day, date, month, and year, including leap year compensation.
Key features of the DS1302S include a dual power supply system that allows it to operate with a primary and backup battery, ensuring continuous timekeeping. The RTC operates using a 3-wire interface, which facilitates communication with microcontrollers or other digital systems. It also supports trickle-charge capabilities for the backup power supply, allowing for battery maintenance and longevity.
The "+T&R" refers to the tape and reel packaging, which is a method used in automated manufacturing processes for easy handling and placement of components on printed circuit boards. The DS1302S+T&R is suitable for applications requiring reliable timekeeping, such as in clocks, automotive systems, and other consumer electronics.

Equivalent

The DS1302S+T&R is a real-time clock (RTC) chip with a trickle charger. Equivalent products include:
1. DS1307 - A commonly used RTC with similar basic features but lacking a trickle charger.
2. DS3231 - An RTC with built-in temperature compensation and higher accuracy.
3. PCF8563 - A low-power RTC with similar functionality.
4. MCP7940N - An RTC with similar features and EEPROM memory.
While these alternatives provide similar functionalities, specific features like the trickle charger may vary.

Features

The DS1302S+T&R is a real-time clock (RTC) module that provides a timekeeping function for embedded systems. Key features include:
1. Timekeeping: It maintains seconds, minutes, hours, day, date, month, and year information. The module accounts for leap years up to 2100.
2. Battery Backup: It includes a battery backup capability, which ensures continuous timekeeping even when the main power supply is off.
3. Low Power Consumption: Designed for low power usage, the DS1302S can operate in applications requiring extended battery life.
4. Trickle-Charge Capability: It has a trickle-charge feature, allowing for the recharging of an external backup supply.
5. Communication Interface: Utilizes a simple serial interface, which is compatible with most microcontrollers, for easy integration into systems.
6. Operating Voltage: Functions within a wide voltage range, typically from 2.0V to 5.5V.
7. Temperature Range: Works efficiently in a standard commercial temperature range.
8. Compact Package: Available in a small form factor, making it suitable for space-constrained applications.
These features make the DS1302S+T&R ideal for a variety of timekeeping applications in consumer electronics and industrial devices.

Pinout

The DS1302S+T&R is a Real-Time Clock (RTC) IC from Maxim Integrated, featuring a 3-wire interface. It is designed to handle timekeeping functions including seconds, minutes, hours, day, date, month, and year, with leap year compensation. The pin count and functions are as follows:
1. VCC1: Main power supply input.
2. VCC2: Backup power supply input.
3. GND: Ground reference.
4. CLK: Serial clock input.
5. DAT: Data input/output.
6. RST: Reset input, used to enable the data transfer.
7. NC (No Connect): Usually not internally connected.
This 3-wire interface allows for simple communication with a microcontroller. The DS1302 operates with low power consumption, making it suitable for battery-powered applications. It can also perform trickle-charge for rechargeable energy storage.

Manufacturer

The DS1302S+T&R is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated specializes in the design and manufacture of analog and mixed-signal integrated circuits. These components are widely used in various electronic devices to manage and optimize power, interface, and signal processing. Analog Devices, the parent company, is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Their products are utilized in a vast array of applications across industries such as communications, healthcare, automotive, industrial, and consumer electronics. The DS1302 specifically is a real-time clock (RTC) IC, which keeps track of time and date, making it crucial for applications that require timekeeping functionality.

Application

The DS1302S+T&R is a real-time clock (RTC) module used in various applications requiring timekeeping and calendar functions. Common application areas include:
1. Embedded Systems: Provides accurate timekeeping for microcontroller-based systems.
2. Consumer Electronics: Used in devices like digital cameras, camcorders, and personal electronics to maintain time and date.
3. Industrial Automation: Keeps track of time-sensitive processes in manufacturing and logistics.
4. Home Appliances: Implements time-based functions in products such as microwaves and ovens.
5. Networked Devices: Ensures accurate timekeeping in networking equipment and IoT devices for scheduling and logging activities.
These applications benefit from the DS1302S's low power consumption and battery backup capability.

Package

The DS1302S+T&R refers to a Dallas Semiconductor (Maxim Integrated) Real-Time Clock (RTC) IC. The "S" typically indicates an 8-pin SOIC (Small Outline Integrated Circuit) package, and "T&R" stands for Tape and Reel, which is a packaging method used for automated assembly.

Produkte, die mit DS1302S+T&R zusammenhängen