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DS1302N+ The Dallas Semiconductor DS1302N+ is a trickle-charge timekeeping chip featuring a real-time clock and calendar with leap-year compensation. It includes 31 bytes of battery-backed RAM and interfaces via a simple 3-wire serial port.
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DS1302N+

Available from 1 distributors
Mfr Name: Dallas Semiconductor
Dallas Semiconductor
The Dallas Semiconductor DS1302N+ is a trickle-charge timekeeping chip featuring a real-time clock and calendar with leap-year compensation. It includes 31 bytes of battery-backed RAM and interfaces via a simple 3-wire serial port.
✓ Total Stock: 23 pcs
$ Price Range: $0.30

DS1302N+ 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
Hybrid Electronics ✓
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23 pcs
On Request
23 pcs On Request 1 On Request On Request 927 On Request On Request
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DS1302N+ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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DS1302N+ Description

Short technical summary and product information.

The DS1302N+ from Dallas Semiconductor is a versatile trickle-charge timekeeping chip designed for accurate timekeeping functions. It manages all timekeeping operations, including seconds, minutes, hours, date, month, day of the week, and year, with leap-year compensation valid up to 2100. The chip also provides 31 bytes of battery-backed general-purpose RAM for data storage.

 

Interfacing with microcontrollers is simplified through a 3-wire serial port (CE, I/O, SCLK), supporting both single-byte and burst mode data transfer. The DS1302N+ operates over a wide voltage range of 2.0V to 5.5V and exhibits very low power consumption, drawing less than 300nA at 2.0V, which extends battery backup run time.

 

Available in 8-pin DIP and 8-pin SO packages, the DS1302N+ minimizes space requirements. It offers an optional industrial temperature range of -40°C to +85°C, making it suitable for a wide array of applications. The part number suffix '+' denotes a lead-free/RoHS-compliant package.

DS1302N+ Quick Information

Product Type: Timekeeping Chip
Canonical Name: DS1302N+ Trickle-Charge Timekeeping Chip
Subcategory: Timekeeping Chip

DS1302N+ Compliance

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

DS1302N+ Estimated Pricing

Qty Low High
1+ $0.30 $0.30

Estimated market price range - modelled values for guidance only, not live distributor offers.

DS1302N+ Features

  • Manages all timekeeping functions accurately.
  • Includes 31 bytes of battery-backed RAM.
  • Simple 3-wire serial interface.
  • Low power operation extends battery life.
  • Available in DIP and SO packages.

DS1302N+ Applications

  • Ideal for embedded systems.
  • Suitable for battery-powered devices.
  • Used in time-sensitive applications.
  • Supports industrial environments.

DS1302N+ FAQs

7 frequently asked questions generated from this part’s specifications.
What are the operating voltage limits for the DS1302N+?

The DS1302N+ operates from 2.0V to 5.5V.

What is the current consumption of the DS1302N+?

The current consumption is less than 300nA at 2.0V.

How much RAM does the DS1302N+ have?

The DS1302N+ has 31 bytes of battery-backed general-purpose RAM.

What is the operating temperature range for the DS1302N+?

The standard operating temperature range is 0°C to 70°C, with an optional industrial range of -40°C to +85°C.

What package options are available for the DS1302N+?

The DS1302N+ is available in 8-pin DIP (300 mils), 8-pin SO (208 mils), and 8-pin SO (150 mils) packages.

Is the DS1302N+ RoHS compliant?

Yes, the DS1302N+ is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for the DS1302N+?

The Moisture Sensitivity Level (MSL) is 1 Unlimited.

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