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DS1337S+T&R The DS1337S+T&R is a serial real-time clock from Analog Devices / Maxim Integrated. It features an I2C interface and operates within a voltage range of 1.8V to 5.5V.
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DS1337S+T&R

Available from 4 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The DS1337S+T&R is a serial real-time clock from Analog Devices / Maxim Integrated. It features an I2C interface and operates within a voltage range of 1.8V to 5.5V.
✓ Total Stock: 22,355 pcs

DS1337S+T&R Available from 4 distributors

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Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
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15,000 pcs
On Request
15000 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
6,413 pcs
On Request
6413 pcs On Request 1 On Request On Request On Request On Request On Request
Risen Electronics ✓
Non-Authorised Inventory information
890 pcs
On Request
890 pcs On Request 1 On Request On Request On Request On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
52 pcs
On Request
52 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

DS1337S+T&R Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Interface
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Operating Temperature
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DS1337S+T&R Description

Short technical summary and product information.

The DS1337S+T&R is a low-power serial real-time clock (RTC) and calendar from Analog Devices / Maxim Integrated. It manages all timekeeping functions, including seconds, minutes, hours, day, date, month, and year, with leap-year compensation valid up to 2100. The device offers two programmable time-of-day alarms and a programmable square-wave output, defaulting to 32kHz on power-up.

 

This RTC interfaces with most microcontrollers via an I2C serial interface. It operates with a supply voltage range of 1.8V to 5.5V, while timekeeping is maintained with VCC as low as 1.3V. The operating temperature range is -40°C to +85°C, making it suitable for a wide array of applications.

 

The DS1337S+T&R is available in an 8-SOIC surface-mount package, measuring 0.154 inches with a 3.90mm width. This compact form factor, combined with its integrated features, simplifies design and saves space in applications such as handheld devices, consumer electronics, office equipment, medical devices, and telecommunications hardware.

DS1337S+T&R Quick Information

Product Type: Real-Time Clock IC
Canonical Name: DS1337S+T&R Real-Time Clock IC
Subcategory: Clock/Calendar

DS1337S+T&R Compliance

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

DS1337S+T&R Features

  • Manages timekeeping functions with leap-year compensation.
  • Provides two programmable time-of-day alarms.
  • Features a programmable square-wave output.
  • Interfaces with microcontrollers via I2C serial.
  • Operates in -40°C to +85°C industrial temperature range.

DS1337S+T&R Applications

  • Suitable for handheld devices like GPS and POS terminals.
  • Used in consumer electronics such as set-top boxes.
  • Applicable in office equipment like fax machines.
  • Designed for medical devices like glucometers.
  • Supports telecommunications equipment like routers.

DS1337S+T&R FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the DS1337S+T&R?

The operating voltage range is 1.8V to 5.5V.

What is the operating temperature range for this real-time clock IC?

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

What interface does the DS1337S+T&R use?

It uses an I2C, 2-Wire Serial interface.

What package is the DS1337S+T&R supplied in?

It is supplied in an 8-SOIC package.

Does the DS1337S+T&R support leap year compensation?

Yes, it includes leap-year compensation valid up to 2100.

How many alarms does the DS1337S+T&R have?

It has two programmable time-of-day alarms.

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