DS1307Z+T&R

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DS1307Z+T&R

IC RTC CLK/CALENDAR I2C 8-SOIC

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Spécifications

Supplier Analog Devices Inc./Maxim Integrated
Package Tape & Reel (TR)
ProductStatus Obsolete
Type Clock/Calendar
Features Leap Year, NVSRAM, Square Wave Output
MemorySize 56B
TimeFormat HH:MM:SS (12/24 hr)
DateFormat YY-MM-DD-dd
Interface I²C, 2-Wire Serial
Voltage-Supply 4.5V ~ 5.5V
Voltage-SupplyBattery 2V ~ 3.5V
Current-Timekeeping(Max) 200µA @ 5V
OperatingTemperature 0°C ~ 70°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Vue d'ensemble

Description

The DS1307Z+T&R is a real-time clock (RTC) integrated circuit (IC) designed by Maxim Integrated (now part of Analog Devices). It is used to keep track of time and date in various electronic applications, functioning on a low power supply. The DS1307 communicates via I2C protocol, allowing easy integration with microcontrollers.
Key features include:
- Timekeeping: Maintains seconds, minutes, hours, day, date, month, and year with leap year compensation.
- Battery Backup: Continues to operate during power loss using a backup battery, ensuring accurate timekeeping.
- Temperature Compensation: The clock's accuracy is influenced by temperature, but it is typically accurate to ±2 minutes per month.
- Programmable Square Wave Output: Offers configurable square wave output for alarms or system timing.
The DS1307 is ideal for applications like embedded systems, data loggers, and any device requiring accurate timekeeping. The “T&R” suffix indicates that the part is available in tape and reel packaging for automated assembly.

Features

The DS1307Z+T&R is a real-time clock (RTC) chip from Maxim Integrated. Here are its key features:
1. Real-Time Clock Functionality: It keeps track of time (hours, minutes, seconds) and date (day, month, year).

2. I2C Interface: Communicates via a two-wire I2C interface, allowing easy integration with microcontrollers.
3. Battery Backup: Supports a backup battery, ensuring timekeeping during power outages.
4. 32.768 kHz Crystal Oscillator: Utilizes a standard crystal for accurate timekeeping.
5. Alarms and Square Wave Output: Features programmable alarms and can generate a square wave output signal.
6. Low Power Consumption: Designed for low-power applications, making it suitable for battery-operated devices.
7. Temperature Compensated: Maintains accuracy across a wide temperature range.
8. Compact Package: Available in a small SOIC package, facilitating space-saving designs.
These features make the DS1307Z+T&R ideal for various applications, including consumer electronics, industrial equipment, and smart devices.

Package

The DS1307Z+T&R is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) format. This surface-mount package is designed for compact applications and is commonly used in real-time clock circuits.

Pinout

The DS1307Z+T&R is a real-time clock (RTC) integrated circuit with a total of 8 pins. Here is a brief overview of its pin count and functions:
1. VCC (Pin 1): Power supply (typically +5V).
2. GND (Pin 2): Ground reference.
3. SDA (Pin 3): Serial data line for I2C communication.
4. SCL (Pin 4): Serial clock line for I2C communication.
5. SQW/INT (Pin 5): Square wave output or interrupt signal.
6. X1 (Pin 6): Crystal oscillator input (connected to an external crystal).
7. X2 (Pin 7): Crystal oscillator output (connected to an external crystal).
8. NC (Pin 8): No connection (not internally connected).
The DS1307Z+T&R primarily serves to keep track of time and date, providing information via I2C interface. It also features a battery backup for maintaining time during power outages.

Manufacturer

The DS1307Z+T&R is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated is a semiconductor company that specializes in designing and manufacturing integrated circuits (ICs) for a wide range of applications, including automotive, industrial, communications, and consumer electronics. The company is known for its innovative products in the fields of analog and mixed-signal circuits, and its offerings include precision data converters, power management solutions, and timing devices like the DS1307 real-time clock. Maxim Integrated focuses on high-performance solutions that enhance system efficiency and reliability.

Application

The DS1307Z+T&R is a real-time clock (RTC) IC used in various applications such as embedded systems, microcontroller projects, home automation, data logging, and timekeeping in appliances. It features I2C interface for communication and is commonly used in devices requiring accurate timekeeping, like clocks, timers, and scheduling systems in consumer electronics, industrial equipment, and automotive applications.

Equivalent

Equivalent products to the DS1307Z+T&R include the MCP7940M, MCP7941X, and PCF8563. These chips provide similar functionality as real-time clocks (RTCs) with varying features such as battery backup and I2C interface. Always check datasheets for specific differences in electrical characteristics and functionalities.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

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