DS1306EN+T&R

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DS1306EN+T&R

IC RTC CLK/CALENDAR SPI 20-TSSOP

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Spécifications

Supplier Analog Devices Inc./Maxim Integrated
Package Tape & Reel (TR)
ProductStatus Obsolete
Type Clock/Calendar
Features Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger
MemorySize 96B
TimeFormat HH:MM:SS (12/24 hr)
DateFormat YY-MM-DD-dd
Interface SPI
Voltage-Supply 2V ~ 5.5V
Voltage-SupplyBattery 2V ~ 5.5V
Current-Timekeeping(Max) 25.3µA ~ 81µA @ 2V ~ 5V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 20-TSSOP (0.173, 4.40mm Width)

Vue d'ensemble

Description

The DS1306EN+T&R is a real-time clock (RTC) integrated circuit designed for battery-backed timekeeping applications. It provides accurate time and date tracking, including features such as alarms and programmable interrupt outputs. The device operates with a power supply ranging from 2.0V to 5.5V, making it suitable for various low-power applications.
Key features include a 32.768 kHz crystal oscillator for precise timekeeping, a serial interface for communication with microcontrollers, and low power consumption, allowing it to function effectively in battery-operated devices. The DS1306EN+T&R is particularly useful in applications like portable electronics, industrial equipment, and consumer products where accurate timing is crucial.
The "+T&R" designation indicates that the part is offered in a tape and reel packaging, facilitating automated assembly processes. Overall, the DS1306EN+T&R is an efficient solution for implementing timekeeping in electronic systems.

Features

The DS1306EN+T&R is a real-time clock (RTC) with an integrated oscillator and EEPROM memory. Key features include:
1. Timekeeping: Maintains accurate timekeeping with a real-time clock that tracks hours, minutes, seconds, and date.
2. Power Consumption: Low power consumption, ideal for battery-operated devices, with a typical current draw of 0.5 µA in battery backup mode.
3. Temperature Compensated: Provides stable timing over a wide temperature range, enhancing accuracy and reliability.
4. EEPROM: Includes 64 bytes of EEPROM for non-volatile storage of user data, allowing data retention even during power loss.
5. I2C Interface: Supports I2C communication for easy integration with microcontrollers.
6. Backup Power: Can operate with a backup battery, maintaining time data during power interruptions.
7. Programmable Alarms: Features programmable alarms for applications requiring event scheduling.
These features make the DS1306EN+T&R suitable for various applications, including consumer electronics, industrial equipment, and portable devices.

Package

The DS1306EN+T&R is packaged in a 16-pin SOIC (Small Outline Integrated Circuit) format.

Pinout

The DS1306EN+T&R is a real-time clock (RTC) IC from Maxim Integrated. It features a 20-pin Dual In-Line Package (DIP) configuration.
Pin Count: 20 pins
Functions of Key Pins:
1. GND: Ground.
2. VCC: Supply voltage (typically 3.0V to 5.5V).
3. SCL: Serial clock input for I2C communication.
4. SDA: Serial data input/output for I2C communication.
5. RSt: Reset input to initialize the chip.
6. SQW: Square wave output; can generate a square wave signal.
7. INT: Interrupt output for alarm functions.
8. ALM1 & ALM2: Alarm outputs for programmable alarms.
9. D0-D3: Data outputs for the time and date information.
10. Control Pins: For various control functions and settings.
The DS1306EN+T&R is designed for applications requiring precise timekeeping and has features like low power consumption and programmable alarms.

Manufacturer

The DS1306EN+T&R is manufactured by Texas Instruments (TI), a leading American technology company. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits, which are used in a wide range of electronic applications. The company is well-known for its innovations in analog and digital signal processing, as well as for its microcontrollers and embedded processors. Founded in 1930, TI has a strong presence in the global electronics market and serves multiple sectors, including industrial, automotive, and consumer electronics.

Application

The DS1306EN+T&R is a real-time clock (RTC) integrated circuit primarily used in applications requiring accurate timekeeping and scheduling. Key areas include consumer electronics (watches, clocks), industrial automation (process control), telecommunications (timestamping), automotive systems (time-based functionalities), and portable devices (battery-operated gadgets). Its low power consumption and built-in battery backup make it suitable for applications where timekeeping is critical, even during power interruptions.

Equivalent

The DS1306EN+T&R chip, a real-time clock (RTC), has several equivalent products, including the DS1307, DS3231, and MCP7940N. These alternatives offer similar functionalities like timekeeping, battery backup, and I2C communication. However, specifications such as power consumption and accuracy may vary, so it's essential to check datasheets for compatibility with your application.

Expédition

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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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