DS1685SN-3+
IC RTC CLK/CALENDAR PAR 24-SOIC

From Maxim Integrated

CategoryIntegrated Circuits (ICs)
Current - Timekeeping (Max)2mA @ 3V
DatasheetsDS1685, 87
Date FormatYY-MM-DD-dd
FamilyClock/Timing - Real Time Clocks
FeaturesAlarm, NVSRAM, Square Wave Output, Y2K
InterfaceParallel
Memory Size242B
Mfg Application NotesCrystal Considerations with Maxim Real-Time Clocks (RTCs) DS1685/87 and DS17X85/87 Accessing Extended User RAM Using the Multiplex Bus RTC Extended Features Design Considerations for Maxim Real-Time Clocks Lithium Coin-Cell Batteries: Predicting an Application Lifetime Using Multiplexed Bus Clocks with a Microcontroller Using the DS32kHz with Maxim Real-Time Clocks Interface a Multiplexed-Bus Real-Time Clock to a uP With Separate Address and Data Buses Problems and Solutions for Adjusting to Changes in Daylight Saving Time Selecting a Backup Source for Real-Time Clocks Oscillator Design Considerations for Low-Current Applications State Machine Logic in Binary-Coded Decimal (BCD)-Formatted Real-Time Clocks
Mounting TypeSurface Mount
Online CatalogParallel Address
Operating Temperature-40°C ~ 85°C
Other NamesDS1685SN3
Package / Case24-SOIC (0.295", 7.50mm Width)
PackagingTube
Product Photos24-SOIC
Product Training ModulesLead (SnPb) Finish for COTS Long-Term Supply Program
Series-
Standard Package31
Supplier Device Package24-SOIC W
Time FormatHH:MM:SS (12/24 hr)
TypeClock/Calendar
Voltage - Supply2.7 V ~ 3.7 V
Voltage - Supply, Battery2.5 V ~ 3.7 V

External links