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MAXIM INTEGRATED / ANALOG DEVICES DS1744W120 Real-Time Clock with NVRAM

The DS1744W-120+ is a Y2K-compliant, non-volatile RTC and 32KB x 8 NV SRAM in a 28-pin EDIP package. It integrates a crystal, lithium energy source, and power-fail circuitry, providing continuous accurate timekeeping with automatic leap year correction in 24-hour BCD format. Double-buffered clock registers prevent data corruption during updates. Operating from 2.97V to 3.63V within 0°C to 70°C, it offers 120ns access time, over 10 years data retention without power, and features a battery voltage indicator flag and power-fail write protection tolerating ±10% VCC variations. UL recognized, ideal for clock and timing applications.

Authorized Distributors
Source:Newark
Part No:DS1744W-120+
Stock:46
Inv Date:06-05-2026
Price: Unit price: $48.66
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Source:DigiKey
Part No:DS1744W-120+
Stock:339
Inv Date:06-05-2026
Price: Unit price: $58.35
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Part No:DS1744W-120+
Stock:28
Inv Date:06-06-2026
Price: Unit price: $53.86
Buy/RFQ:
Part No:DS1744W-120
Stock:0
Inv Date:06-06-2026
Price: N/A
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MAXIM INTEGRATED / ANALOG DEVICES DS1744W120 Real-Time Clock with NVRAM Specifications:

  • Package: 28-pin EDIP
  • Memory: 32KB x 8 NV SRAM
  • RTC Registers: Century, Year, Month, Date, Day, Hours, Minutes, Seconds
  • Format: 24-hour BCD
  • Automatic leap-year correction
  • Clock registers double-buffered
  • Supply Voltage: 2.97V to 3.63V
  • Operating Temperature: 0°C to 70°C
  • Access Time: 120ns
  • Data retention: >10 years in absence of power
  • Features: Power-fail circuitry, lithium energy source, battery voltage indicator flag
  • UL recognized

Buy the Maxim DS1744W120 – Reliable Real-Time Clock for Industrial Applications

Order the Maxim DS1744W120 now for precise, non-volatile timekeeping in industrial and clock applications. Its integrated RTC, NV SRAM, and power-fail circuitry ensure continuous operation, even during power outages. With a 120ns access time, 10+ years data retention, and operating from 2.97V to 3.63V over 0°C to 70°C, it offers exceptional reliability and performance. Ideal for industrial time-critical systems requiring automatic leap year correction and robust power protection, this UL-recognized device improves system stability and accuracy.

Buy Maxim DS1744W120 now and experience unmatched reliability and performance in timing and clock applications.

Frequently Asked Questions

Where can I buy MAXIM INTEGRATED / ANALOG DEVICES DS1744W120?

You can click on the BUY or RFQ button to purchase DS1744W120 from an authorized MAXIM INTEGRATED / ANALOG DEVICES distributor.

How do I troubleshoot issues or seek technical support for part DS1744W120?

You can download the DS1744W120 datasheet or visit the MAXIM INTEGRATED / ANALOG DEVICES website for support.

Who is the manufacturer of DS1744W120?

MAXIM INTEGRATED / ANALOG DEVICES

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