DS1746P-70+ The Analog Devices DS1746P-70+ is a Y2K-compliant, nonvolatile timekeeping RAM with an integrated real-time clock. It features a 128KB memory size and a parallel interface.
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DS1746P-70+

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The Analog Devices DS1746P-70+ is a Y2K-compliant, nonvolatile timekeeping RAM with an integrated real-time clock. It features a 128KB memory size and a parallel interface.
✓ Total Stock: 2,014 pcs

DS1746P-70+ Available from 1 distributor

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DS1746P-70+ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
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Features
Interface
Memory Size
Mounting Type
Operating Temperature
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Time Format
Type
Voltage

DS1746P-70+ Description

Short technical summary and product information.

The Analog Devices DS1746P-70+ is a Y2K-compliant, nonvolatile timekeeping RAM that integrates an NV SRAM, real-time clock, crystal, power-fail control circuit, and lithium energy source. It offers 128KB of memory and operates with a parallel interface.

 

Key features include a battery voltage-level indicator flag and power-fail write protection. The clock registers are accessed identically to the static RAM, residing in the eight top RAM locations. This device supports BCD-coded time and date formats with automatic leap year compensation valid up to the year 2100.

 

Designed for surface mounting, the DS1746P-70+ comes in a 34-PowerCap Module package. It operates within a temperature range of 0°C to 70°C and requires a voltage supply of 3V, with a typical current draw of 4mA at 5V. The part also offers an industrial temperature range option from -40°C to +85°C.

DS1746P-70+ Quick Information

Product Type: Real Time Clock
Canonical Name: DS1746P-70+ Y2K-Compliant, Nonvolatile Timekeeping RAM
Subcategory: Clock/Calendar

DS1746P-70+ Compliance

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

DS1746P-70+ Features

  • Integrated NV SRAM and Real-Time Clock.
  • Totally nonvolatile with over 10 years of operation.
  • Y2K compliant with automatic leap year compensation.
  • Surface mountable 34-PowerCap Module package.
  • Operates from 0°C to 70°C.

DS1746P-70+ Applications

  • Ideal for embedded system timekeeping.
  • Suitable for data logging applications.
  • Used in devices requiring Y2K compliance.
  • Applications needing nonvolatile clock data.

DS1746P-70+ FAQs

6 frequently asked questions generated from this part’s specifications.
What is the memory size of the DS1746P-70+?

The DS1746P-70+ has a memory size of 128KB.

What is the operating voltage for the DS1746P-70+?

The DS1746P-70+ operates at 3V, with a power supply tolerance of ±10% VCC for 5V operation.

What is the operating temperature range of the DS1746P-70+?

The standard operating temperature range is 0°C to 70°C, with an industrial range available from -40°C to +85°C.

What type of package is the DS1746P-70+ in?

The DS1746P-70+ is supplied in a 34-PowerCap Module package, designed for surface mounting.

Is the DS1746P-70+ Y2K compliant?

Yes, the DS1746P-70+ is Y2K compliant and features a century byte register with automatic leap year compensation valid up to the year 2100.

How long does the DS1746P-70+ retain data without power?

The DS1746P-70+ is totally nonvolatile and can operate for over 10 years in the absence of power.

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