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HomeProductsIntegrated Circuits (ICs)Clock/Timing - Real Time ClocksDS1670E/T&R
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DS1670E/T&R - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number
DS1670E/T&R
Manufacturer
Maxim Integrated
Allelco Part Number
32D-DS1670E/T&R
ECAD Model
Parts Description
IC RTC SYST CTRLR SER 20TSSOP
Package
20-TSSOP (0.173", 4.40mm Width)
Data sheet
DS1670.pdf
Our certification
In stock: 12390

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Specifications

DS1670E/T&R Tech Specifications
Analog Devices Inc./Maxim Integrated - DS1670E/T&R technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc./Maxim Integrated - DS1670E/T&R

Product Attribute Attribute Value  
Manufacturer Maxim Integrated  
Voltage - Supply, Battery 2.5V ~ 3.7V  
Voltage - Supply 2.97V ~ 3.63V  
Type Portable System Controller  
Time Format HH:MM:SS (12/24 hr)  
Supplier Device Package 20-TSSOP  
Series -  
Package / Case 20-TSSOP (0.173", 4.40mm Width)  
Package Tape & Reel (TR)  
Product Attribute Attribute Value  
Operating Temperature 0°C ~ 70°C  
Mounting Type Surface Mount  
Memory Size -  
Interface 3-Wire Serial  
Features Alarm, Leap Year, Watchdog Timer  
Date Format YY-MM-DD-dd  
Current - Timekeeping (Max) 100µA @ 3.3V  
Base Product Number DS1670  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status RoHS non-compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

DS1670E/T&R

Manufacturer

Analog Devices

Introduction

The DS1670E/T&R is a real-time clock (RTC) with alarm, watchdog timer, and leap year functions. It is designed for portable system applications and operates on a wide voltage range.

Product Features and Performance

Alarm, leap year, and watchdog timer functions

Operates on a wide voltage range of 2.97V to 3.63V

Backup battery voltage range of 2.5V to 3.7V

Low timekeeping current of 100μA at 3.3V

Supports 12/24-hour time format and YY-MM-DD-dd date format

3-wire serial interface

Product Advantages

Suitable for portable system applications with its low power consumption and wide voltage range

Integrated alarm, watchdog timer, and leap year functions for enhanced functionality

Reliable timekeeping performance with low current consumption

Key Reasons to Choose This Product

Versatile real-time clock solution for portable devices

Robust features and performance in a compact package

Cost-effective choice for applications requiring an RTC with additional functionalities

Quality and Safety Features

Meets industrial operating temperature range of 0°C to 70°C

Surface mount package for reliable operation

Compatibility

20-TSSOP package compatible with industry-standard footprints

Application Areas

Portable electronics

Industrial control systems

Metering and monitoring devices

Product Lifecycle

The DS1670E/T&R is an obsolete product. Analog Devices may have equivalent or alternative models available. Customers are advised to contact our website's sales team for more information on current product offerings.

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc./Maxim Integrated DS1670E/T&R

Product Attribute DS1670E/T&R DS1670E DS1670S DS1672-2
Part Number DS1670E/T&R DS1670E DS1670S DS1672-2
Manufacturer Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated
Memory Size - - - -
Type Portable System Controller Portable System Controller Portable System Controller Binary Counter
Current - Timekeeping (Max) 100µA @ 3.3V 100µA @ 3.3V 100µA @ 3.3V 500µA @ 2.2V
Date Format YY-MM-DD-dd YY-MM-DD-dd YY-MM-DD-dd Binary
Mounting Type Surface Mount Surface Mount Surface Mount Through Hole
Operating Temperature 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C -40°C ~ 85°C
Voltage - Supply, Battery 2.5V ~ 3.7V 2.5V ~ 3.7V 2.5V ~ 3.7V 1.3V ~ 3.63V
Base Product Number DS1670 DS1670 DS1670 DS1672
Package / Case 20-TSSOP (0.173", 4.40mm Width) 20-TSSOP (0.173', 4.40mm Width) 20-SOIC (0.295", 7.50mm Width) 8-DIP (0.300', 7.62mm)
Series - - - -
Interface 3-Wire Serial 3-Wire Serial 3-Wire Serial I²C, 2-Wire Serial
Voltage - Supply 2.97V ~ 3.63V 2.97V ~ 3.63V 2.97V ~ 3.63V 1.8V ~ 2.2V
Time Format HH:MM:SS (12/24 hr) HH:MM:SS (12/24 hr) HH:MM:SS (12/24 hr) Binary
Features Alarm, Leap Year, Watchdog Timer Alarm, Leap Year, Watchdog Timer Alarm, Leap Year, Watchdog Timer Trickle-Charger
Supplier Device Package 20-TSSOP 20-TSSOP 20-SOIC 8-PDIP
Package Tape & Reel (TR) Tube Tube Tube

DS1670E/T&R Datasheet PDF

Download DS1670E/T&R pdf datasheets and Analog Devices Inc./Maxim Integrated documentation for DS1670E/T&R - Analog Devices Inc./Maxim Integrated.

Datasheets
DS1670.pdf
Environmental Information
Maxim Integrated REACH.pdf Maxim Integrated RoHS Cert.pdf Material Declaration DS1670E/T&R.pdf
PCN Obsolescence/ EOL
Mult Dev OBS 15/Jul/2015.pdf
Application Notes
Oscillator Design Considerations for Low-Current A.pdf Selecting a Backup Source for Real-Time Clocks.pdf State Machine Logic in Binary-Coded Decimal (BCD)-.pdf DS32kHz used with Maxim Real-Time Clocks.pdf
Other Related Documents
Tips for Writing Bulletproof Real-Time Clock Contr.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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DS1670E/T&R Image

DS1670E/T&R

Analog Devices Inc./Maxim Integrated
32D-DS1670E/T&R

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