Image shown is representative only. Exact specifications should be obtained from the product datasheet.
Analog Devices Inc./Maxim Integrated DS1391U-18+
Manufacturer
Manufacturer Product Number
DS1391U-18+
Description
IC RTC CLK/CALENDAR SPI 10UMAX
Manufacturer Standard Lead Time Contact us
Detailed Description
Real Time Clock (RTC) IC Clock/Calendar SPI 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Datasheet View datasheet
EDA/CAD Models
Product Attributes
Type
Description
Manufacturer
Analog Devices Inc./Maxim Integrated
Operating Temperature
-40°C ~ 85°C
DigiKey Programmable
Not Verified
Voltage - Supply
1.71V ~ 1.89V
Time Format
HH:MM:SS:hh (12/24 hr)
Date Format
YY-MM-DD-dd
Features
Alarm, Leap Year, Square Wave Output, Trickle-Charger
Mounting Type
Surface Mount
Supplier Device Package
10-uMAX/uSOP
Memory Size
-
Voltage - Supply, Battery
1.3V ~ 3.7V
Interface
SPI
Package / Case
10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Current - Timekeeping (Max)
100µA @ 1.71V ~ 1.89V
Type
Clock/Calendar
Documents & Media
Resource Type
Link
Datasheets
EDA Models
Application Notes
Related Documents
Environmental Information
Additional Resources
Attribute
Description
Part Number Alias
DS1391U-18+
1196981
DS1391U-18+-ND
Availability
Out of Stock
Updated
5/16/2026
In-Stock: 0
Packaging Quantity Unit Price Ext Price
1 177.000 ₫ 177.000 ₫
177.000 ₫
All prices are shown in the selected currency
Tube · Digikey
Quantity Unit Price Ext Price
1
177.000 ₫
177.000 ₫
10
136.000 ₫
1.360.000 ₫
50
120.000 ₫
6.000.000 ₫
100
115.000 ₫
11.500.000 ₫
250
110.000 ₫
27.500.000 ₫
500
107.000 ₫
53.500.000 ₫
1,000
104.000 ₫
104.000.000 ₫
2,500
101.000 ₫
252.500.000 ₫
MOQ 1 · Order multiple 1