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  • DS1500WEN+

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Y2K-Compliant Watchdog RTC with NV Control

Manufacturer : Maxim Integrated
Package/Case : TSOP-32
Product Categories : Clock/Timing - Real Time Clocks
Datasheet: DS1500WEN+ Datasheet (PDF)
RoHs Status: Rohs
In-stock: 1014


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DS1500WEN+ Product Details

The DS1500WEN+ is a Y2K watchdog RTC with non-volatile control in 32 pin TSOP package. It is a full-function, year 2000-compliant real time clock/calendar (RTC) with an alarm, watchdog timer, power-on reset, battery monitors, 256 bytes of on-board non-volatile (NV) SRAM, NV control for backing up an external SRAM and a 32.768KHz output. User access to all registers within the DS1500 is accomplished with a byte-wide interface. The RTC registers contain century, year, month, date, day, hours, minutes and seconds data in 24-hour binary-coded decimal (BCD) format. Corrections for day of month and leap-year compensation valid up to the year 2100. Power control circuitry supports system power-on from date/day/time alarm or key closure/modem detect signal. The DS1500 is used in remote systems, battery backed systems, telecom switches and office equipments.


  • Supply voltage range is 3V to 3.6V
  • Operating temperature range from -40°C to 85°C
  • Programmable watchdog timer and RTC alarm
  • Day of week/date alarm register
  • Automatic battery backup and write protection to external SRAM
  • Precision power-on reset
  • 256bytes user non-volatile RAM
  • Auxiliary battery input
  • Accuracy better than ±1 minute/month at +25°C
  • Battery voltage level indicator flags

Technical Parameters

  • Function
  • Clock, Calendar, Watchdog Timekeeper, NV SRAM Control, Alarm
  • RTC Bus Interface
  • Parallel
  • Date Format
  • DW:DM:M:Y
  • Time Format
  • HH:MM:SS
  • RTC Memory Size
  • 256 B
  • Supply Voltage Max
  • 3.6 V
  • Supply Voltage Min
  • 3 V
  • Maximum Operating Temperature
  • + 85 C
  • Minimum Operating Temperature
  • - 40 C
  • Mounting Style
  • Package / Case
  • TSOP-32
  • Packaging
  • Tube
  • Battery Backup Switching
  • Yes
  • Series
  • DS1500
  • Part # Aliases
  • 90-1500W+EN0

DS1500WEN+ Related Products

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Estimated Delivery Time: Apr 06 - Apr 11 days (choose Expedited at checkout).

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We provide high quality products, thoughtful service and after sale guarantee

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    We have rich products, can meet your various needs.

  • Minimum order quantity starts from 1pcs.

    Minimum order quantity starts from 1pcs.

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    Lowest international shipping fee starts from US$2.00.

  • 90 days quality guarantee for all products.

    90 days quality guarantee for all products.


  • Step1:Product

    Step1: Products

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All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

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1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.


Q: How does Jotrin guarantee that DS1500WEN+ is the original manufacturer or agent of MAXIM?
We have a professional business development department to strictly test and verify the qualifications of MAXIM original manufacturers and agents. All MAXIM suppliers must pass the qualification review before they can publish their DS1500WEN+ devices; we pay more attention to the channels and quality of DS1500WEN+ products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of DS1500WEN+ chips? Including MAXIM original factory information, Clock/Timing - Real Time Clocks application, DS1500WEN+ pictures?
You can use Jotrin's intelligent search engine, or filter by Clock/Timing - Real Time Clocks category, or find it through Maxim Integrated Information page.
Q: Are the MAXIM's DS1500WEN+ price and stock displayed on the platform accurate?
The MAXIM's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for DS1500WEN+, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
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Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days.
Q: What is the process for returns or replacement of DS1500WEN+?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the DS1500WEN+ we delivered, we will accept the replacement or return of the DS1500WEN+ only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of DS1500WEN+.
(3)The DS1500WEN+ is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy.
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