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DS1689SN The Analog Devices DS1689SN is a Clock/Calendar Real-Time Clock IC featuring NVSRAM and a parallel interface. It operates within a voltage range of 2.5V to 5.5V and has an operating temperature of -40°C to 85°C.
Mfr Part #:

DS1689SN

Available from 2 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The Analog Devices DS1689SN is a Clock/Calendar Real-Time Clock IC featuring NVSRAM and a parallel interface. It operates within a voltage range of 2.5V to 5.5V and has an operating temperature of -40°C to 85°C.
✓ Total Stock: 11,396 pcs

DS1689SN Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
9,040 pcs
On Request
9040 pcs On Request 1 On Request On Request On Request On Request On Request
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
2,356 pcs
On Request
2356 pcs On Request 1 On Request On Request On Request On Request On Request
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DS1689SN 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
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DS1689SN Description

Short technical summary and product information.

The DS1689SN from Analog Devices (Maxim Integrated) is a Real-Time Clock (RTC) IC designed for applications requiring accurate timekeeping and non-volatile RAM storage. It incorporates features such as NVSRAM, a parallel interface, and supports a wide operating voltage range from 2.5V to 5.5V.

 

Key electrical specifications include a memory size of 114 bytes and low current consumption for timekeeping, drawing 2mA at 3V and 3mA at 5V. The device operates across an industrial temperature range of -40°C to 85°C, making it suitable for various environments.

 

This RTC IC is available in a 28-SOIC surface-mount package, facilitating integration into printed circuit boards. Its design includes features like automatic battery backup and write protection to external SRAM, along with a crystal select bit for compatibility with 6pF or 12.5pF crystals. The timekeeping algorithm includes leap year compensation valid up to the year 2100.

 

The DS1689SN is compatible with existing BIOS for original DS1287 functions and offers enhanced features like power control circuitry for system power-on from alarms or key closures.

DS1689SN Quick Information

Product Type: Real-Time Clock IC
Canonical Name: DS1689SN Real-Time Clock IC
Subcategory: Real Time Clocks

DS1689SN Compliance

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

DS1689SN Features

  • Features NVSRAM for non-volatile data storage.
  • Supports parallel interface for data communication.
  • Operates from 2.5V to 5.5V supply voltage.
  • Wide industrial temperature range of -40°C to 85°C.
  • Available in a 28-SOIC surface-mount package.

DS1689SN Applications

  • Ideal for systems requiring accurate timekeeping.
  • Suitable for battery-backed applications.
  • Used in embedded systems with NV RAM needs.
  • Supports power-on from alarms or key closures.

DS1689SN FAQs

4 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the DS1689SN?

The DS1689SN operates from 2.7V to 3.3V or 4.5V to 5.5V for supply voltage, and 2.5V to 3.7V for battery voltage.

What is the operating temperature range of the DS1689SN?

The operating temperature range for the DS1689SN is -40°C to 85°C.

What package type is the DS1689SN available in?

The DS1689SN is available in a 28-SOIC package, measuring 0.337 inches (8.56mm) in width.

Does the DS1689SN have RoHS compliance?

The DS1689SN is RoHS3 Compliant.

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