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DS1746W-120+ The Analog Devices / Maxim Integrated DS1746W-120+ is a Clock/Calendar Real Time Clock IC. It operates from 2.97V to 3.63V and features 128KB of memory.
Mfr Part #:

DS1746W-120+

Available from 2 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The Analog Devices / Maxim Integrated DS1746W-120+ is a Clock/Calendar Real Time Clock IC. It operates from 2.97V to 3.63V and features 128KB of memory.
✓ Total Stock: 4,624 pcs

DS1746W-120+ Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
2,524 pcs
On Request
2524 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
2,100 pcs
On Request
2100 pcs On Request 1 On Request On Request 24+ On Request On Request
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DS1746W-120+ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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DS1746W-120+ Description

Short technical summary and product information.

The DS1746W-120+ from Analog Devices / Maxim Integrated is a Y2K-compliant, nonvolatile timekeeping RAM with an integrated real-time clock. This component features 128KB of memory and operates within a voltage range of 2.97V to 3.63V, consuming approximately 2mA at 3.3V.

 

Designed for through-hole mounting, the DS1746W-120+ comes in a 32-DIP Module package. Its operating temperature range is 0°C to 70°C. Key features include NVSRAM, leap year compensation valid up to the year 2100, and power-fail write protection. The device also includes a battery voltage-level indicator flag.

 

This real-time clock IC is suitable for applications requiring accurate timekeeping and nonvolatile data storage. Its parallel interface simplifies integration into various embedded systems. The device is also noted for its long-term nonvolatility, offering over 10 years of operation without external power.

DS1746W-120+ Quick Information

Product Type: Real Time Clock
Canonical Name: DS1746W-120+ Clock/Calendar IC
Subcategory: Clock/Calendar

DS1746W-120+ Compliance

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

DS1746W-120+ Features

  • Integrated NV SRAM and Real-Time Clock.
  • Y2K compliant with leap year compensation.
  • 128KB memory capacity.
  • Operates from 2.97V to 3.63V.
  • Through-hole 32-DIP Module package.

DS1746W-120+ Applications

  • Ideal for embedded timekeeping.
  • Suitable for data logging applications.
  • Used in systems requiring Y2K compliance.
  • Applications needing nonvolatile data storage.

DS1746W-120+ FAQs

7 frequently asked questions generated from this part’s specifications.
What is the memory size of the DS1746W-120+?

The DS1746W-120+ has a memory size of 128KB.

What is the operating voltage range for the DS1746W-120+?

The operating voltage range is 2.97V to 3.63V.

What is the typical operating current at 3.3V for this Real Time Clock?

The typical operating current is 2mA at 3.3V.

What is the operating temperature range of the DS1746W-120+?

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

What package type is the DS1746W-120+ supplied in?

The DS1746W-120+ is supplied in a 32-DIP Module (0.600", 15.24mm) package.

Does the DS1746W-120+ support Y2K?

Yes, the DS1746W-120+ is Y2K compliant and features a Century Byte Register.

What type of interface does the DS1746W-120+ use?

The DS1746W-120+ uses a Parallel interface.

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