Real Time Clock (RTC) IC Clock/Calendar 56B I2C, 2-Wire Serial 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
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DS1308U-18+

DigiKey Part Number
DS1308U-18+-ND
Manufacturer
Manufacturer Product Number
DS1308U-18+
Description
IC RTC CLOCK/CALENDAR I2C 8UMAX
Manufacturer Standard Lead Time
10 Weeks
Customer Reference
Detailed Description
Real Time Clock (RTC) IC Clock/Calendar 56B I2C, 2-Wire Serial 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Datasheet
 Datasheet
EDA/CAD Models
DS1308U-18+ Models
Product Attributes
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Category
Interface
I2C, 2-Wire Serial
Manufacturer
Analog Devices Inc./Maxim Integrated
Voltage - Supply
1.71V ~ 5.5V
Packaging
Tube
Voltage - Supply, Battery
1.3V ~ 5.5V
Part Status
Active
Current - Timekeeping (Max)
100µA @ 200µA @ 1.89V ~ 5.5V
DigiKey Programmable
Not Verified
Operating Temperature
-40°C ~ 85°C
Type
Clock/Calendar
Mounting Type
Surface Mount
Features
Leap Year, NVSRAM, Square Wave Output
Package / Case
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Memory Size
56B
Supplier Device Package
8-uMAX/uSOP
Time Format
HH:MM:SS (12/24 hr)
Base Product Number
Date Format
YY-MM-DD-dd
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
In-Stock: 0
50 estimated in stock on 07-Dec-2026
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All prices are in USD
Tube
QuantityUnit PriceExt Price
1$5.66000$5.66
10$4.33200$43.32
50$3.79900$189.95
100$3.63400$363.40
250$3.45984$864.96
500$3.35486$1,677.43
1,000$3.26847$3,268.47
2,500$3.17727$7,943.18
Note: Due to DigiKey value-add services the packaging type may change when product is purchased at quantities beneath the standard package.
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