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M41T81M6F
STMicroelectronicsRoHS 
RoHS compliant
RoHS compliantPackage 8-SOIC (0.154, 3.90mm Width)
Category Clock/Timing - Real Time Clocks / Clock/Timing - Real Time Clocks
Description
8-SOIC (0.154 3.90mm Width) M41T81 e4 Alarm Leap Year Square Wave Output Watchdog Timer real time clock IC 2V~5.5V 100muA @ 2V~5.5V 5mm 0.032MHz
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Inventory: 1459
Minimum: 1
Total Price: USD $10.55
Unit Price: USD $10.550898
≥1 USD $10.550898
≥10 USD $9.953679
≥100 USD $9.390262
≥500 USD $8.858736
≥1000 USD $8.357296
Technical Details
Supply Chain
Factory Lead Time 10 Weeks
Lifecycle Status ACTIVE (Last Updated: 7 months ago)
Technical
Operating Temperature -40°C~85°C
Packaging Tape & Reel (TR)
JESD-609 Code e4
Feature Alarm, Leap Year, Square Wave Output, Watchdog Timer
Part Status Active
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 8
ECCN Code EAR99
Type Clock/Calendar
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Subcategory Timer or RTC
Technology CMOS
Voltage - Supply 2V~5.5V
Terminal Position DUAL
Peak Reflow Temperature (Cel) 260
Supply Voltage 5V
Terminal Pitch 1.27mm
Time@Peak Reflow Temperature-Max (s) 30
Base Part Number M41T81
Pin Count 8
Power Supplies 2.5/5V
Interface I2C, 2-Wire Serial
Memory Size 20B
RAM Size 20B
Clock Frequency 0.032MHz
Logic Function Clock
Number of Timers 1
Time Format HH:MM:SS:hh (24 hr)
Non-Volatile Memory 20 B
Date Format YY-MM-DD-dd
Current - Timekeeping (Max) 100μA @ 2V~5.5V
Time-Min 1/100 SECOND
Interrupt Capability Y
Voltage - Supply, Battery 2.5V~3.5V
Information Access Method I2C
Compliance
Radiation Hardening No
REACH SVHC No SVHC
RoHS Status ROHS3 Compliant
Lead Free Lead Free
Dimensions
Height 1.25mm
Length 5mm
Width 4mm
Physical
Contact Plating Tin
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154, 3.90mm Width)
Number of Pins 8
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