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DS1689SN+

DS1689SN+

DS1689SN+

Maxim Integrated

28 Terminations 3V 28 Pin DS1689 Real Time Clocks NVSRAM 0.032MHz

SOT-23

DS1689SN+ Datasheet

non-compliant

In-Stock: 0 items
Specifications
Name Value
Type Parameter
Mounting Type Surface Mount
Package / Case 28-SOIC (0.295, 7.50mm Width)
Surface Mount YES
Operating Temperature -40°C~85°C
Packaging Tube
Published 2005
JESD-609 Code e3
Feature NVSRAM
Part Status Obsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 28
ECCN Code EAR99
Type Clock/Calendar
Terminal Finish Matte Tin (Sn)
Additional Feature CAN ALSO OPERATE WITH 5V SUPPLY
HTS Code 8542.39.00.01
Voltage - Supply 2.7V~3.3V 4.5V~5.5V
Terminal Position DUAL
Peak Reflow Temperature (Cel) NOT SPECIFIED
Supply Voltage 3V
Terminal Pitch 1.27mm
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Base Part Number DS1689
Pin Count 28
JESD-30 Code R-PDSO-G28
Qualification Status Not Qualified
Power Supplies 3/5V
Interface Parallel
Memory Size 114B
Number of Bits 16
Clock Frequency 0.032MHz
External Data Bus Width 8
Number of Timers 1
Time Format HH:MM:SS (12/24 hr)
Date Format YY-MM-DD-dd
Current - Timekeeping (Max) 2mA @ 3V 3mA @ 5V
Time-Min SECONDS
Interrupt Capability Y
Voltage - Supply, Battery 2.5V~3.7V
Volatile YES
Length 18.1mm
Height Seated (Max) 3.05mm
Width 8.565mm
RoHS Status ROHS3 Compliant
Lead Free Lead Free
DS1689SN+ Product Details

DS1689SN+ Overview


28-SOIC (0.295, 7.50mm Width) contains real time clocks.A Tube package is used to package time clock.Its supply voltage is 2.7V~3.3V 4.5V~5.5V.It is a Clock/Calendar type electrical real time clock.A part of this electronic RTC module is mounted in the way of Surface Mount.Electronic time clocks should be -40°C~85°C degrees Celsius during operation.Electronic time clocks are possible to guarantee NVSRAM when operating.Transmission lines can be terminated with 28 terminations, which means that the RTC module that terminates the line matches its characteristic impedance.In this RTC real time clock, there is a voltage of 3V supplied to it.28 pins are present on it.DS1689 are RTC s family.2.5V~3.7V is the supply voltage of this electrical digital time clock.A memory of 114B is embedded into the RTC times for storing programs and data.A frequency of 0.032MHz should not be exceeded by real time clocks' output.The power supply is 3/5V.1 timers are in the real time clock that outputs a signal in response to an input signal.In addition, it is characterized by CAN ALSO OPERATE WITH 5V SUPPLY.16 Bits are used in the design of this digital time clock.

DS1689SN+ Features


28-SOIC (0.295, 7.50mm Width) package
28 terminations
28 pin count
3/5V power supplies
16 Bits


DS1689SN+ Applications


There are a lot of Maxim Integrated
DS1689SN+ Real Time Clocks applications.


  • Battery powered products
  • Automotive
  • Industrial
  • Digital still camera
  • Digital video camera
  • Printers
  • Copy machines
  • Mobile equipment
  • Battery powered devices
  • Printers and copiers

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