DS1501WZ+T&R The Analog Devices DS1501WZ+T&R is a Y2K-compliant Real-Time Clock with 256 bytes of NV SRAM. It operates from 2.5V to 3.7V and features a watchdog timer and RTC alarm.
Mfr Part #:

DS1501WZ+T&R

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The Analog Devices DS1501WZ+T&R is a Y2K-compliant Real-Time Clock with 256 bytes of NV SRAM. It operates from 2.5V to 3.7V and features a watchdog timer and RTC alarm.
✓ Total Stock: 2,600 pcs

DS1501WZ+T&R 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
Non-Authorised Inventory information
2,600 pcs
2600 pcs On Request 1 On Request On Request 23+ On Request On Request

DS1501WZ+T&R 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
Tape & Reel
Time Format
Type
Voltage
Watchdog Timer

DS1501WZ+T&R Description

Short technical summary and product information.

The DS1501WZ+T&R from Analog Devices (formerly Maxim Integrated) is a full-function, Y2K-compliant Real-Time Clock (RTC) designed for applications requiring accurate timekeeping and calendar functions. It integrates a watchdog timer, RTC alarm, power-on reset, and battery monitors.

 

This device features 256 bytes of battery-backed NV SRAM for data storage. The RTC registers store century, year, month, date, day, hours, minutes, and seconds in 24-hour BCD format, with automatic leap-year compensation valid up to the year 2100. It operates with a voltage range of 2.5V to 3.7V and has a typical current consumption of 4mA at 3V to 3.6V.

 

The DS1501WZ+T&R is supplied in a 28-SOIC (0.295", 7.50mm Width) surface-mount package. Its operating temperature range is 0°C to 70°C. The device also includes a 32.768kHz output and an auxiliary battery input for continuous operation during power outages.

 

Applications for this RTC include remote systems, battery-backed systems, telecom switches, office equipment, and consumer electronics where reliable timekeeping is essential.

DS1501WZ+T&R Quick Information

Product Type: Real Time Clock
Canonical Name: DS1501WZ+T&R Real-Time Clock/Calendar
Subcategory: Clock/Calendar

DS1501WZ+T&R Compliance

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

DS1501WZ+T&R Features

  • Y2K-compliant Real-Time Clock
  • 256 bytes of battery-backed NV SRAM
  • Watchdog timer and RTC alarm functions
  • Operates from 2.5V to 3.7V
  • Surface mount 28-SOIC package

DS1501WZ+T&R Applications

  • Ideal for battery-backed systems
  • Suitable for remote system applications
  • Used in telecom and office equipment
  • Designed for consumer electronics

DS1501WZ+T&R FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the DS1501WZ+T&R?

The operating voltage range is 2.5V to 3.7V.

What is the operating temperature range for this Real-Time Clock?

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

What package type is the DS1501WZ+T&R supplied in?

It is supplied in a 28-SOIC (0.295", 7.50mm Width) package.

Does the DS1501WZ+T&R feature Y2K compliance?

Yes, it is a Y2K-compliant RTC.

How much NV SRAM does the DS1501WZ+T&R have?

It has 256 bytes of NV SRAM.

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