DS1677E
RoHS
/
Package 20-TSSOP (0.173, 4.40mm Width)
Category Integrated Circuits (ICs) / Clock/Timing - Real Time Clocks
Description
DUAL Clock HH:MM:SS (12/24hr) CMOS Real Time Clock (RTC) IC 2009 SECONDS 0C~70C 0.032MHz
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Technical Details
Physical
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 20-TSSOP (0.173, 4.40mm Width)
Number of Pins 20
Technical
Operating Temperature 0°C~70°C
Packaging Tube
Published 2009
JESD-609 Code e0
Feature Alarm, Leap Year, Watchdog Timer
Pbfree Code no
Part Status Obsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 20
ECCN Code EAR99
Type Portable System Controller
Terminal Finish Tin/Lead (Sn/Pb)
Additional Feature 3-CHANNEL, 8-BIT ADC
HTS Code 8542.31.00.01
Subcategory Timer or RTC
Technology CMOS
Voltage - Supply 4.5V~5.5V
Terminal Position DUAL
Peak Reflow Temperature (Cel) 240
Supply Voltage 5V
Terminal Pitch 0.65mm
Time@Peak Reflow Temperature-Max (s) 20
Base Part Number DS1677
Pin Count 20
Operating Supply Voltage 5V
Power Supplies 5V
Interface 3-Wire Serial
Clock Frequency 0.032MHz
Logic Function Clock
External Data Bus Width 1
Time Format HH:MM:SS (12/24 hr)
Date Format YY-MM-DD-dd
Current - Timekeeping (Max) 300μA @ 5V
Time-Min SECONDS
Interrupt Capability Y
Voltage - Supply, Battery 2.5V~3.7V
Volatile YES
Information Access Method SERIAL, 3-WIRE
Dimensions
Height Seated (Max) 1.1mm
Length 6.5mm
Width 4.4mm
Compliance
Radiation Hardening No
RoHS Status Non-RoHS Compliant
Lead Free Contains Lead
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