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HomeProductsIntegrated Circuits (ICs)Clock/Timing - Real Time ClocksDS1306EN+
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DS1306EN+ - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number
DS1306EN+
Manufacturer
Maxim Integrated
Allelco Part Number
32D-DS1306EN+
ECAD Model
Parts Description
IC RTC CLK/CALENDAR SPI 20TSSOP
Package
20-TSSOP (0.173", 4.40mm Width)
Data sheet
DS1306.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 9286

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Specifications

DS1306EN+ Tech Specifications
Analog Devices Inc./Maxim Integrated - DS1306EN+ technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc./Maxim Integrated - DS1306EN+

Product Attribute Attribute Value  
Manufacturer Maxim Integrated  
Voltage - Supply, Battery 2V ~ 5.5V  
Voltage - Supply 2V ~ 5.5V  
Type Clock/Calendar  
Time Format HH:MM:SS (12/24 hr)  
Supplier Device Package 20-TSSOP  
Series -  
Package / Case 20-TSSOP (0.173", 4.40mm Width)  
Package Tube  
Product Attribute Attribute Value  
Operating Temperature -40°C ~ 85°C  
Mounting Type Surface Mount  
Memory Size 96B  
Interface SPI  
Features Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger  
Date Format YY-MM-DD-dd  
Current - Timekeeping (Max) 25.3µA ~ 81µA @ 2V ~ 5V  
Base Product Number DS1306  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

DS1306EN+

Manufacturer

Maxim Integrated

Introduction

Integrated circuit (IC) for real-time clock (RTC) applications

Product Features and Performance

Alarm function

Leap year support

Non-volatile static RAM (NVSRAM)

Square wave output

Trickle-charger

Operating voltage: 2V to 5.5V

Timekeeping current: 25.3μA to 81μA (2V to 5V)

Time format: 12/24 hour

Date format: YY-MM-DD-dd

Memory size: 96 bytes

Interface: SPI

Product Advantages

Reliable real-time clock with alarm and calendar functions

Low power consumption for battery-powered applications

Non-volatile memory for data retention during power-off

Flexible interface options (SPI)

Key Technical Parameters

Package: 20-TSSOP (0.173", 4.40mm Width)

Mounting type: Surface mount

Operating temperature: -40°C to 85°C

Quality and Safety Features

RoHS3 compliant

Compatibility

Suitable for a wide range of embedded systems and real-time applications

Application Areas

Industrial control systems

Portable electronics

Home automation

IoT devices

Product Lifecycle

This product is currently available and not nearing discontinuation.

Replacement or upgrade options may be available from Maxim Integrated.

Key Reasons to Choose This Product

Reliable real-time clock with advanced features (alarm, calendar, etc.)

Low power consumption ideal for battery-powered applications

Non-volatile memory for data retention

Flexible interface options (SPI) for easy integration

Wide operating temperature range (-40°C to 85°C)

RoHS3 compliance for environmental safety

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc./Maxim Integrated DS1306EN+

Product Attribute DS1306EN+ DS1306EN DS1307+ DS1306
Part Number DS1306EN+ DS1306EN DS1307+ DS1306
Manufacturer Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated
Supplier Device Package 20-TSSOP 20-TSSOP 8-PDIP 16-PDIP
Base Product Number DS1306 DS1306 DS1307 DS1306
Series - - - -
Mounting Type Surface Mount Surface Mount Through Hole Through Hole
Current - Timekeeping (Max) 25.3µA ~ 81µA @ 2V ~ 5V 25.3µA ~ 81µA @ 2V ~ 5V 200µA @ 5V 25.3µA ~ 81µA @ 2V ~ 5V
Voltage - Supply 2V ~ 5.5V 2V ~ 5.5V 4.5V ~ 5.5V 2V ~ 5.5V
Memory Size 96B 96B 56B 96B
Features Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger Leap Year, NVSRAM, Square Wave Output Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger
Package / Case 20-TSSOP (0.173", 4.40mm Width) 20-TSSOP (0.173', 4.40mm Width) 8-DIP (0.300', 7.62mm) 16-DIP (0.300", 7.62mm)
Date Format YY-MM-DD-dd YY-MM-DD-dd YY-MM-DD-dd YY-MM-DD-dd
Interface SPI SPI I²C, 2-Wire Serial SPI
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C 0°C ~ 70°C 0°C ~ 70°C
Time Format HH:MM:SS (12/24 hr) HH:MM:SS (12/24 hr) HH:MM:SS (12/24 hr) HH:MM:SS (12/24 hr)
Type Clock/Calendar Clock/Calendar Clock/Calendar Clock/Calendar
Package Tube Tube Tube Tube
Voltage - Supply, Battery 2V ~ 5.5V 2V ~ 5.5V 2V ~ 3.5V 2V ~ 5.5V

DS1306EN+ Datasheet PDF

Download DS1306EN+ pdf datasheets and Analog Devices Inc./Maxim Integrated documentation for DS1306EN+ - Analog Devices Inc./Maxim Integrated.

Datasheets
DS1306.pdf
Environmental Information
Maxim Integrated RoHS Cert.pdf Material Declaration DS1306EN+.pdf
Application Notes
Oscillator Design Considerations for Low-Current A.pdf Selecting a Backup Source for Real-Time Clocks.pdf State Machine Logic in Binary-Coded Decimal (BCD)-.pdf Interfacing a DS1305 RTC with an 8051-Type Microco.pdf
Other Related Documents
Tips for Writing Bulletproof Real-Time Clock Contr.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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DS1306EN+ Image

DS1306EN+

Analog Devices Inc./Maxim Integrated
32D-DS1306EN+

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