DS1302N+ The Analog Devices DS1302N+ is a real-time clock/calendar chip with 31 bytes of battery-backed RAM. It operates from 2V to 5.5V and features a simple 3-wire serial interface.
Mfr Part #:

DS1302N+

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The Analog Devices DS1302N+ is a real-time clock/calendar chip with 31 bytes of battery-backed RAM. It operates from 2V to 5.5V and features a simple 3-wire serial interface.
✓ Total Stock: 6,000 pcs

DS1302N+ Available from 1 distributor

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DS1302N+ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Date Format
Features
Interface
Lead Spacing
Memory Size
Mounting Type
Operating Temperature
Supplier Device Package
Supplier Package
Tape & Reel
Time Format
Type
Voltage

DS1302N+ Description

Short technical summary and product information.

The DS1302N+ from Analog Devices (Maxim Integrated) 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 valid up to 2100. It includes 31 bytes of battery-backed general-purpose RAM.

 

This device interfaces with microcontrollers via a simple 3-wire serial interface (CE, I/O, SCLK) and supports TTL-compatible logic levels. It offers low power operation, consuming less than 300nA at 2.0V, extending battery backup run time. The operating voltage range is from 2.0V to 5.5V.

 

The DS1302N+ is available in an 8-pin PDIP package, minimizing required space. It supports an optional industrial temperature range of -40°C to +85°C, making it suitable for a wide range of applications. The part number indicates a lead-free and RoHS3 compliant package.

 

Key specifications include a time format of HH:MM:SS (12/24 hr) and a date format of YY-MM-DD-dd. Features such as leap year compensation, NVSRAM, and a trickle-charger are integrated into this compact IC.

DS1302N+ Quick Information

Product Type: Real Time Clock
Canonical Name: DS1302N+ Real-Time Clock/Calendar Chip
Subcategory: Clock/Calendar

DS1302N+ Compliance

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

DS1302N+ Features

  • Manages all timekeeping functions accurately.
  • Includes 31 bytes of battery-backed RAM.
  • Simple 3-wire serial interface for microcontrollers.
  • Low power operation extends battery life.
  • Available in 8-PDIP through-hole package.

DS1302N+ Applications

  • Ideal for embedded system timekeeping.
  • Suitable for battery-backed applications.
  • Used in devices requiring date and time logging.
  • Supports industrial temperature requirements.

DS1302N+ FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the DS1302N+?

The DS1302N+ operates from 2V to 5.5V.

What is the operating temperature range for the DS1302N+?

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

What type of interface does the DS1302N+ use?

The DS1302N+ uses a 3-Wire Serial interface.

How much RAM is available on the DS1302N+?

The DS1302N+ has 31 bytes of RAM.

What package is the DS1302N+ available in?

The DS1302N+ is available in an 8-PDIP package.

Does the DS1302N+ support leap year compensation?

Yes, the DS1302N+ supports leap year compensation valid up to 2100.

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