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DS1747-70 The Maxim Integrated DS1747-70 is a Clock/Calendar Real Time Clock with integrated NV SRAM. It features a parallel interface and operates from 4.5V to 5.5V.
Mfr Part #:

DS1747-70

Available from 2 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The Maxim Integrated DS1747-70 is a Clock/Calendar Real Time Clock with integrated NV SRAM. It features a parallel interface and operates from 4.5V to 5.5V.
✓ Total Stock: 3,641 pcs

DS1747-70 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
3,500 pcs
On Request
3500 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
141 pcs
On Request
141 pcs On Request 1 On Request On Request 1735+ On Request On Request
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DS1747-70 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
Time Format
Type
Voltage
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DS1747-70 Description

Short technical summary and product information.

The Maxim Integrated DS1747-70 is a Y2K-compliant, nonvolatile timekeeping RAM that integrates NV SRAM, a Real-Time Clock (RTC), crystal, power-fail control circuit, and a lithium energy source. It offers a 512KB memory size and communicates via a parallel interface.

 

This device operates within a temperature range of 0°C to 70°C and requires a voltage supply between 4.5V and 5.5V, consuming approximately 4mA at 5V. Key features include Y2K compliance, leap year compensation valid up to the year 2100, and power-fail write protection.

 

The DS1747-70 is housed in a 32-EDIP package, a through-hole mounting type, with a package description of 32-DIP Module (0.600", 15.24mm). It is supplied in tube packaging.

 

This component is suitable for applications requiring reliable timekeeping and nonvolatile data storage, such as embedded systems, data loggers, and industrial control systems.

DS1747-70 Quick Information

Product Type: Real Time Clock
Series: DS1747
Canonical Name: DS1747-70 Clock/Calendar with NV SRAM
Subcategory: Clock/Calendar

DS1747-70 Compliance

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

DS1747-70 Features

  • Integrated NV SRAM and Real-Time Clock.
  • Y2K compliant with leap year compensation.
  • Operates from 4.5V to 5.5V supply.
  • 512KB memory size with parallel interface.
  • 32-EDIP through-hole package.

DS1747-70 Applications

  • Embedded systems requiring timekeeping.
  • Data loggers needing nonvolatile storage.
  • Industrial control systems.
  • Automotive applications.

DS1747-70 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage for the DS1747-70?

The operating voltage is 4.5V to 5.5V.

What is the operating temperature range for this Real Time Clock?

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

What package type is the DS1747-70 available in?

It is available in a 32-EDIP package.

Does the DS1747-70 support Y2K?

Yes, it is Y2K compliant and features a century byte register.

What is the memory size of the DS1747-70?

The memory size is 512KB.

What is the battery life of the DS1747-70?

It offers over 10 years of operation in the absence of power.

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