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DS1687-3 The DS1687-3 is a Clock/Calendar IC from Analog Devices / Maxim Integrated. It operates at 2.5V to 3.7V and features 242 bytes of NV RAM.
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DS1687-3

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The DS1687-3 is a Clock/Calendar IC from Analog Devices / Maxim Integrated. It operates at 2.5V to 3.7V and features 242 bytes of NV RAM.
✓ Total Stock: 1,318 pcs

DS1687-3 Available from 1 distributor

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1,318 pcs
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1318 pcs On Request 1 On Request On Request 18+ On Request On Request
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DS1687-3 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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DS1687-3 Description

Short technical summary and product information.

The DS1687-3 is a Real Time Clock (RTC) IC from Analog Devices / Maxim Integrated, designed for applications requiring accurate timekeeping. This component integrates a clock/calendar function with 242 bytes of battery-backed NV RAM, offering features such as alarms, Y2K compliance, and a square wave output.

 

With a parallel interface, the DS1687-3 supports a voltage range of 2.5V to 3.7V and operates within a temperature range of 0°C to 70°C. It includes a 64-bit silicon serial number and power-control circuitry for system power-on from alarms or key closures. The timekeeping algorithm incorporates leap-year compensation valid through 2099.

 

The DS1687-3 is supplied in a 24-pin EDIP package suitable for through-hole mounting. Its features make it suitable for embedded systems, utility meters, security systems, and network hubs, bridges, and routers.

DS1687-3 Quick Information

Product Type: Real Time Clock
Canonical Name: DS1687-3 Clock/Calendar IC
Subcategory: Clock/Calendar

DS1687-3 Compliance

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

DS1687-3 Features

  • Features 242 bytes of battery-backed NV RAM.
  • Supports 2.5V to 3.7V operating voltage.
  • Operates within 0°C to 70°C temperature range.
  • Parallel interface for data access.
  • Includes alarm and Y2K compliant features.

DS1687-3 Applications

  • Ideal for embedded systems.
  • Suitable for utility meters.
  • Used in security systems.
  • Applicable to network hubs.
  • Designed for bridges and routers.

DS1687-3 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage for the DS1687-3?

The DS1687-3 operates from 2.5V to 3.7V.

What is the operating temperature range of the DS1687-3?

The operating temperature range for the DS1687-3 is 0°C to 70°C.

What type of package is the DS1687-3 in?

The DS1687-3 is available in a 24-EDIP package.

What is the NV RAM size for the DS1687-3?

The DS1687-3 has 242 bytes of battery-backed NV RAM.

What interface does the DS1687-3 use?

The DS1687-3 uses a Parallel interface.

Does the DS1687-3 support leap-year compensation?

Yes, the timekeeping algorithm includes leap-year compensation valid through 2099.

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