DS1305EN+

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DS1305EN+

IC RTC CLK/CALENDAR SPI 20-TSSOP

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Especificaciones

Supplier Analog Devices Inc./Maxim Integrated
Package Tube
ProductStatus Active
Type Clock/Calendar
Features Alarm, Leap Year, NVSRAM, 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)

Descripción general

Description

The DS1305EN+ is a real-time clock (RTC) integrated circuit (IC) designed for timekeeping applications. It features a low-power design, making it suitable for battery-operated devices. The DS1305EN+ maintains accurate time and date information, even during power outages, thanks to its integrated battery backup capability.
Key features include a 2-wire I²C interface for easy communication with microcontrollers, programmable alarms, and a range of operating voltages (typically between 2.0V and 5.5V). It also supports timekeeping in both 12-hour and 24-hour formats, and can track seconds, minutes, hours, days, months, and years.
The device is commonly used in consumer electronics, industrial applications, and portable devices where maintaining accurate time is essential. Its compact size and low power consumption make it ideal for various embedded systems. Overall, the DS1305EN+ is a reliable choice for integrating real-time clock functionality into diverse electronic applications.

Features

The DS1305EN+ is a low-power real-time clock (RTC) with several key features:
1. Timekeeping: Maintains accurate time and date information (hours, minutes, seconds, day, month, year).
2. Power Supply: Operates with a voltage range of 2.0V to 5.5V, making it suitable for battery-powered applications.
3. Low Power Consumption: Consumes minimal power, especially in battery backup mode, ensuring long battery life.
4. I2C Interface: Communicates via an I2C serial interface, allowing easy integration with microcontrollers and other digital devices.
5. Alarm Functions: Supports programmable alarms for time-based events, enhancing its versatility in applications.
6. Temperature Compensation: Utilizes temperature compensation to improve accuracy over varying temperatures.
7. 24/12 Hour Format: Allows configuration of time display in either 24-hour or 12-hour format.
8. Backup Battery: Supports an external backup battery for continuous timekeeping during power outages.
Overall, the DS1305EN+ is ideal for applications requiring precise timekeeping with minimal power usage.

Package

The DS1305EN+ is available in a 16-pin TSSOP (Thin Shrink Small Outline Package) package type. This compact package is designed for surface mounting, optimizing space in electronic circuits.

Pinout

The DS1305EN+ is a real-time clock (RTC) IC with a total of 8 pins. Here’s a concise description of each pin's function:
1. VCC (Pin 1): Power supply input (typically +2.5V to +5.5V).
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. OUT (Pin 5): Output pin that can provide a square wave signal or interrupt.
6. X1 (Pin 6): Connection for the external crystal oscillator (input).
7. X2 (Pin 7): Connection for the external crystal oscillator (ground).
8. FT (Pin 8): Frequency tuning pin used to adjust the oscillator frequency.
The DS1305EN+ is designed for timekeeping applications and communicates via the I²C protocol, providing timekeeping accuracy and features such as alarm functions.

Manufacturer

The DS1305EN+ is manufactured by Texas Instruments (TI), a leading global semiconductor company. Texas Instruments designs and produces a wide range of electronic components, including analog devices and embedded processors. The company is known for its innovations in integrated circuits (ICs) and is a key player in various industries such as automotive, industrial, communications, and consumer electronics. Founded in 1930 and headquartered in Dallas, Texas, TI has a strong focus on research and development, providing advanced technology solutions to a diverse customer base worldwide.

Application

The DS1305EN+ is a real-time clock (RTC) with an I2C interface, commonly used in applications such as home automation, consumer electronics, embedded systems, industrial equipment, and telecommunications. It provides timekeeping functions for scheduling, timers, and event logging, making it suitable for devices requiring accurate timekeeping and low power consumption, like smart meters, alarm systems, and wearable technology.

Equivalent

The DS1305EN+ is a real-time clock (RTC) with EEPROM storage. Equivalent products include:
1. DS1302 – A simpler RTC with less memory.
2. DS1337 – RTC with temperature compensation and battery backup.
3. MCP7940N – RTC with battery backup and additional features like alarms.
4. PCF8523 – A low-power RTC with I2C interface.
Always verify the specific features and requirements for your application before substitution.

Envío

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Referencia de tarifas de envío (DHL/FedEx):

DHL: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 2-5 días hábiles.

FedEx: El costo de envío oscila entre $25-$40 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

UPS: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

TNT: El costo de envío oscila entre $25-$65 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

EMS: El costo de envío oscila entre $30-$50 (0.5kg), con un plazo de entrega estimado de 7-15 días hábiles.

Correo aéreo registrado: El costo de envío es de $2-$4 (0.1kg), con un tiempo de entrega estimado de 5-20 días hábiles.

Pagos

Payment Methods

El plazo de pago es 100% prepagado.

Actualmente, solo aceptamos los siguientes métodos de pago:

1. de PayPal

2. Tarjeta de crédito/débito

3. Transferencia bancaria