DS1305EN+
IC RTC CLK/CALENDAR SPI 20-TSSOP

From Maxim Integrated

CategoryIntegrated Circuits (ICs)
Current - Timekeeping (Max)25.3µA ~ 81µA @ 2V ~ 5V
DatasheetsDS1305
Date FormatYY-MM-DD-dd
FamilyClock/Timing - Real Time Clocks
FeaturesAlarm, Leap Year, NVSRAM, Trickle-Charger
InterfaceSPI
Memory Size96B
Mfg Application NotesCrystal Considerations with Maxim Real-Time Clocks (RTCs) Using the Dallas Tricklecharge Timekeeper Using the Dallas Tricklecharge Timekeeper Interfacing SPI Real-Time Clocks (RTCs) with a Microcontroller Design Considerations for Maxim Real-Time Clocks Lithium Coin-Cell Batteries: Predicting an Application Lifetime Using the DS32kHz with Maxim Real-Time Clocks Interfacing an SPI-Interface RTC with a PIC Microcontroller Interfacing an SPI RTC with a Motorola DSP Estimating Super Capacitor Backup Time on Trickle-Charger Real-Time Clocks 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 CatalogSerial Address
Operating Temperature-40°C ~ 85°C
Package / Case20-TSSOP (0.173", 4.40mm Width)
PackagingTube
Product Photos20-TSSOP
Product Training ModulesLead (SnPb) Finish for COTS Long-Term Supply Program
Series-
Standard Package74
Supplier Device Package20-TSSOP
Time FormatHH:MM:SS (12/24 hr)
TypeClock/Calendar
Voltage - Supply2 V ~ 5.5 V
Voltage - Supply, Battery2 V ~ 5.5 V

External links