DS1644-120 The DS1644-120 is a Real Time Clock from Analog Devices / Maxim Integrated. It features 32KB of memory and a Parallel interface.
Mfr Part #:

DS1644-120

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The DS1644-120 is a Real Time Clock from Analog Devices / Maxim Integrated. It features 32KB of memory and a Parallel interface.
✓ Total Stock: 5,000 pcs

DS1644-120 Available from 1 distributor

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DS1644-120 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Date Format
Features
Interface
Memory Size
Mounting Type
Operating Temperature
Supplier Device Package
Tape & Reel
Time Format
Type
Voltage
Voltage Supply

DS1644-120 Description

Short technical summary and product information.

The DS1644-120 is an integrated circuit Real Time Clock (RTC) with calendar functionality, manufactured by Analog Devices / Maxim Integrated. This component is designed for applications requiring accurate timekeeping and date tracking.

 

Key specifications include a memory size of 32KB, a parallel interface for data communication, and support for both 24-hour time format (HH:MM:SS) and date format (YY-MM-DD-dd). It also includes features such as leap year calculation and NVSRAM for data retention. The device operates within a voltage supply range of 4.5V to 5.5V and has a typical timekeeping current consumption of 4mA at 4.5V.

 

The operating temperature range for the DS1644-120 is 0°C to 70°C, making it suitable for various environmental conditions. It is mounted using a Through Hole method and comes in a 28-DIP Module package.

 

Environmental compliance includes RoHS3 compliance, MSL 1 (Unlimited) moisture sensitivity level, and REACH Unaffected status. This component is categorized under Real Time Clocks within the Clock/Timing product group.

DS1644-120 Quick Information

Product Type: Real Time Clock
Canonical Name: DS1644-120 Real Time Clock
Subcategory: Clock/Calendar

DS1644-120 Compliance

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

DS1644-120 Features

  • Real Time Clock with calendar.
  • 32KB memory size included.
  • Parallel interface for communication.
  • Operates from 4.5V to 5.5V.
  • Through Hole mounting package.

DS1644-120 Applications

  • Accurate timekeeping required.
  • Date tracking applications.
  • Systems needing leap year support.
  • Embedded system design.

DS1644-120 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage for the DS1644-120?

The operating voltage is 4.5V to 5.5V.

What package type is the DS1644-120 supplied in?

The DS1644-120 is supplied in a 28-DIP Module (0.600", 15.24mm) package.

What is the operating temperature range of the DS1644-120?

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

What is the RoHS status of the DS1644-120?

The RoHS status is ROHS3 Compliant.

What is the memory size of the DS1644-120?

The memory size is 32KB.

What time format does the DS1644-120 support?

The DS1644-120 supports HH:MM:SS (24 hr) time format.

What date format does the DS1644-120 support?

The DS1644-120 supports YY-MM-DD-dd date format.

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