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DS1677E

DS1677E

DS1677E

Rochester Electronics, LLC

20 Terminations 5V 20 Pin Real Time Clocks Alarm, Leap Year, Watchdog Timer 0.032MHz

SOT-23

DS1677E Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Mounting Type Surface Mount
Package / Case 20-TSSOP (0.173, 4.40mm Width)
Surface MountYES
Operating Temperature0°C~70°C
PackagingTube
JESD-609 Code e0
Feature Alarm, Leap Year, Watchdog Timer
Pbfree Code no
Part StatusObsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 20
Type Portable System Controller
Terminal Finish TIN LEAD
Additional Feature3-CHANNEL, 8-BIT ADC
Voltage - Supply 4.5V~5.5V
Terminal Position DUAL
Peak Reflow Temperature (Cel) 240
Supply Voltage 5V
Terminal Pitch0.65mm
Reach Compliance Code unknown
Time@Peak Reflow Temperature-Max (s) 20
Pin Count20
JESD-30 Code R-PDSO-G20
Qualification StatusCOMMERCIAL
Interface 3-Wire Serial
Clock Frequency 0.032MHz
External Data Bus Width 1
Time FormatHH:MM:SS (12/24 hr)
Date FormatYY-MM-DD-dd
Current - Timekeeping (Max) 300μA @ 5V
Voltage - Supply, Battery 2.5V~3.7V
Information Access Method SERIAL, 3-WIRE
Length 6.5mm
Height Seated (Max) 1.1mm
Width 4.4mm
RoHS StatusNon-RoHS Compliant
In-Stock:1482 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$5.75000$5.75
500$5.6925$2846.25
1000$5.635$5635
1500$5.5775$8366.25
2000$5.52$11040
2500$5.4625$13656.25

DS1677E Product Details

DS1677E Overview


A package named 20-TSSOP (0.173, 4.40mm Width) contains real time clocks.Tube is the packaging method.There is 4.5V~5.5V supply voltage for this electrical RTC.Electrical real time clocks of this type are Portable System Controller.real time clock (RTC)s like this are mounted in the way of Surface Mount.0°C~70°C is the operating temperature.When operating, you can ensure Alarm, Leap Year, Watchdog Timer.A transmission line can have a 20 termination by terminating it with a RTC module whose characteristic impedance matches the line's.In the case of this RTC real time clock, there is 5V voltage supplied to it.The RTCs are equipped with 20 pins.This electrical digital time clock is powered by 2.5V~3.7V voltage.There should not be a frequency higher than 0.032MHz in the output.There are also 3-CHANNEL, 8-BIT ADC characteristics.

DS1677E Features


20-TSSOP (0.173, 4.40mm Width) package
20 terminations
20 pin count


DS1677E Applications


There are a lot of Rochester Electronics, LLC
DS1677E Real Time Clocks applications.


  • Industrial
  • Digital still camera
  • Digital video camera
  • Printers
  • Copy machines
  • Mobile equipment
  • Battery powered devices
  • Printers and copiers
  • Electronic metering
  • Digital cameras

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