DS1557WP-120IND+
RoHS 
RoHS compliant
RoHS compliantPackage 34-PowerCap? Module
Category Integrated Circuits (ICs) / Clock/Timing - Real Time Clocks
Description
DUAL Clock HH:MM:SS (24hr) CMOS Real Time Clock (RTC) IC 2003 SECONDS 512KB -40C~85C
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Buying Options
Total Price: USD $34.25
Unit Price: USD $34.2496
≥1 USD $34.2496
Inventory: 144
Minimum: 1
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Technical Details
Compliance
Lead Free Lead Free
RoHS Status ROHS3 Compliant
Radiation Hardening No
Technical
Volatile NO
Voltage - Supply, Battery 3V
Interrupt Capability Y
Time-Min SECONDS
Current - Timekeeping (Max) 4mA @ 3.3V
Date Format YY-MM-DD-dd
Time Format HH:MM:SS (24 hr)
External Data Bus Width 8
Logic Function Clock
Clock Frequency 0.032MHz
Memory Size 512KB
Interface Parallel
Operating Supply Voltage 3.3V
Pin Count 34
Base Part Number DS1557
Supply Voltage 3.3V
Terminal Position DUAL
Voltage - Supply 2.97V~3.63V
Technology CMOS
Subcategory Timer or RTC
HTS Code 8473.30.11.80
Terminal Finish Matte Tin (Sn)
Type Clock/Calendar
ECCN Code EAR99
Number of Terminations 34
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Part Status Active
Pbfree Code yes
Feature Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K
JESD-609 Code e3
Published 2003
Packaging Tray
Operating Temperature -40°C~85°C
Physical
Number of Pins 34
Package / Case 34-PowerCap? Module
Mounting Type Surface Mount
Mount Surface Mount
Supply Chain
Factory Lead Time 10 Weeks
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