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DS1302SN+ The Analog Devices DS1302SN+ is a Real Time Clock IC featuring a 3-Wire Serial interface and 31 bytes of battery-backed RAM. It operates over a wide temperature range.
Mfr Part #:

DS1302SN+

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The Analog Devices DS1302SN+ is a Real Time Clock IC featuring a 3-Wire Serial interface and 31 bytes of battery-backed RAM. It operates over a wide temperature range.
✓ Total Stock: 85 pcs

DS1302SN+ Available from 1 distributor

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Risen Electronics ✓
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85 pcs
On Request
85 pcs On Request 1 On Request On Request On Request On Request 2026-02-23 21:33:16
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DS1302SN+ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Date Format
Features
Interface
Memory Size
Mounting Type
Operating Temperature
Supplier Device Package
Time Format
Type
Voltage
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DS1302SN+ Description

Short technical summary and product information.

The Analog Devices / Maxim Integrated DS1302SN+ is a trickle-charge timekeeping chip that manages all timekeeping functions, including seconds, minutes, hours, date, month, day of the week, and year with leap-year compensation up to 2100. It includes 31 bytes of battery-backed general-purpose RAM.

 

This IC features a simple 3-wire serial interface that is TTL-compatible, allowing for easy integration with most microcontrollers. Data transfer can be done in single-byte or burst modes. The device operates on low power, consuming less than 300nA at 2.0V, extending battery backup run time.

 

Designed for broad application use, the DS1302SN+ offers an optional industrial temperature range of -40°C to +85°C. It is available in an 8-pin SOIC package, minimizing space requirements on printed circuit boards. The part is RoHS3 compliant and has an MSL rating of 1.

 

Key specifications include an operating voltage range of 2V to 5.5V and an operating temperature range of -40°C to 85°C. The interface is a 3-wire serial, and it supports both 12/24 hour time formats and YY-MM-DD-dd date formats.

DS1302SN+ Quick Information

Product Type: Real Time Clock IC
Canonical Name: DS1302SN+ Real-Time Clock IC
Subcategory: Clock/Calendar

DS1302SN+ Compliance

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

DS1302SN+ Features

  • Manages all timekeeping functions.
  • Includes 31 bytes of battery-backed RAM.
  • Simple 3-wire serial interface.
  • Low power operation extends battery life.
  • Available in 8-pin SOIC package.

DS1302SN+ Applications

  • Ideal for battery-backed timekeeping.
  • Suitable for microcontroller integration.
  • Used in devices requiring date and time.
  • Supports leap year compensation.

DS1302SN+ FAQs

7 frequently asked questions generated from this part’s specifications.
What are the operating voltage and current for the DS1302SN+?

The DS1302SN+ operates from 2V to 5.5V and consumes less than 300nA at 2.0V.

What is the operating temperature range of the DS1302SN+?

The operating temperature range for the DS1302SN+ is -40°C to 85°C.

What package type is the DS1302SN+ available in?

The DS1302SN+ is available in an 8-SOIC package.

What compliance standards does the DS1302SN+ meet?

The DS1302SN+ is RoHS3 Compliant and has a Moisture Sensitivity Level (MSL) of 1 Unlimited.

What features does the DS1302SN+ offer?

The DS1302SN+ features leap year compensation, NVSRAM, and a trickle-charger.

How does the DS1302SN+ interface with microcontrollers?

The DS1302SN+ uses a simple 3-wire serial interface that is TTL-compatible.

What is the memory size of the DS1302SN+?

The DS1302SN+ has 31 bytes of battery-backed general-purpose RAM.

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