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DS1306 The Analog Devices DS1306 is a Clock/Calendar Real Time Clock IC featuring SPI interface and 96-byte NV RAM. It operates from 2V to 5.5V and has an operating temperature range of 0°C to 70°C.
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DS1306

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The Analog Devices DS1306 is a Clock/Calendar Real Time Clock IC featuring SPI interface and 96-byte NV RAM. It operates from 2V to 5.5V and has an operating temperature range of 0°C to 70°C.
✓ Total Stock: 2,356 pcs

DS1306 Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
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2,356 pcs
On Request
2356 pcs On Request 1 On Request On Request On Request On Request On Request
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DS1306 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Date Format
Features
Industrial Grade
Interface
Lead Spacing
Medical Grade
Memory Size
Military Grade
Mounting Type
Operating Temperature
Operating Voltage
Supplier Device Package
Tape & Reel
Time Format
Type
Voltage
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DS1306 Description

Short technical summary and product information.

The Analog Devices DS1306 is a serial alarm real-time clock IC designed for comprehensive timekeeping functions. It counts seconds, minutes, hours, date, month, day of the week, and year, with leap-year compensation valid up to 2100. The device includes a 96-byte battery-backed NV RAM for data storage and features two time-of-day alarms.

 

This clock IC supports standard serial port interfaces, including Motorola SPI modes 1 and 3, and a standard 3-wire interface. It offers burst mode for efficient reading and writing of successive addresses in clock/RAM. The operating voltage ranges from 2.0V to 5.5V, with current consumption between 25.3µA and 81µA at 2V to 5V.

 

The DS1306 is available in a 16-DIP package with a through-hole mounting type. It provides clock outputs of 1Hz and 32.768kHz. The operating temperature range is 0°C to 70°C, making it suitable for a wide range of applications.

 

Key features include alarm functionality, leap year compensation, NVSRAM, square wave output, and a trickle-charger. The device is designed to manage all timekeeping functions reliably.

DS1306 Quick Information

Product Type: Real Time Clock
Canonical Name: DS1306 Serial Alarm Real-Time Clock
Subcategory: Clock/Calendar

DS1306 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

DS1306 Features

  • Manages all timekeeping functions including year.
  • Includes 96-byte battery-backed NV RAM.
  • Supports SPI and 3-wire serial interfaces.
  • Operates from 2.0V to 5.5V supply voltage.
  • Available in 16-DIP through-hole package.

DS1306 Applications

  • Real-time clock functions.
  • Data storage with NV RAM.
  • Time-of-day alarm applications.
  • Microcontroller interface applications.
  • System backup power management.

DS1306 FAQs

6 frequently asked questions generated from this part’s specifications.
What are the key features of the DS1306 Real Time Clock?

The DS1306 features include alarm functionality, leap year compensation, NVSRAM, square wave output, and a trickle-charger.

What is the operating voltage range for the DS1306?

The DS1306 operates from 2V to 5.5V.

What is the operating temperature range of the DS1306?

The operating temperature range is 0°C to 70°C.

What package type is the DS1306 available in?

The DS1306 is available in a 16-DIP package.

What type of interface does the DS1306 use?

The DS1306 uses an SPI interface.

How much NV RAM does the DS1306 have?

The DS1306 has 96 bytes of NV RAM.

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