Real Time Clock (RTC) IC Clock/Calendar 56B I2C, 2-Wire Serial 16-SOIC (0.295", 7.50mm Width)
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DS1338C-3#

DigiKey Part Number
DS1338C-3#-ND
Manufacturer
Manufacturer Product Number
DS1338C-3#
Description
IC RTC CLK/CALENDAR I2C 16SOIC
Manufacturer Standard Lead Time
10 Weeks
Customer Reference
Detailed Description
Real Time Clock (RTC) IC Clock/Calendar 56B I2C, 2-Wire Serial 16-SOIC (0.295", 7.50mm Width)
Datasheet
 Datasheet
EDA/CAD Models
DS1338C-3# Models
Product Attributes
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Category
Interface
I2C, 2-Wire Serial
Manufacturer
Analog Devices Inc./Maxim Integrated
Voltage - Supply
2.7V ~ 5.5V
Packaging
Tube
Voltage - Supply, Battery
1.3V ~ 3.7V
Part Status
Active
Current - Timekeeping (Max)
200µA @ 3.3V
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
16-SOIC (0.295", 7.50mm Width)
Memory Size
56B
Supplier Device Package
16-SOIC
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
Available To Order
Factory Stock: 8,694
46 estimated in stock on 07-Dec-2026

This is stock that is available at the supplier which may be available to DigiKey upon receipt of order.

All prices are in USD
Tube
QuantityUnit PriceExt Price
1$9.34000$9.34
10$7.26900$72.69
46$6.47457$297.83
138$6.08014$839.06
276$5.88710$1,624.84
506$5.74648$2,907.72
1,012$5.61246$5,679.81
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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