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Analog Devices DS1308U-18+T Real Time Clocks

IC RTC CLK/CALENDAR I2C 8-UMAX

5 ActiveAnalog DevicesDS1308U8-TSSOP, 8-MSOP (0.118", 3.00mm Width)$7.21
DS1308U-18+T 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) package illustration

Same model may have multiple batches, images only for reference.

DS1308U-18+T
Manufacturer
Part Number (MPN)
DS1308U-18+T
Base Model
Detailed Description
IC RTC CLK/CALENDAR I2C 8-UMAX
Package
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Lifecycle Status
Active
Datasheet
PDF DS1308U-18+T Datasheet
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Ordering Code Family

DS1308U groups multiple orderable suffixes under one base device. Compare package, grade, and reel options on the base-number page before substituting within the family.

2 ordering variants listed on the family page.

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Technical Specifications

Analog Devices DS1308U-18+T Real Time Clocks technical specifications.

General

Interface
I²C, 2-Wire Serial
Memory Size
56B
Package / Case
8-TSSOP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C
Supply Voltage
1.71V ~ 5.5V
Lifecycle Status
Active
Features
Leap Year, NVSRAM, Square Wave
Package
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Type
Clock/Calendar

Related Parts Comparison (DS1308U-18+T vs DS1308U-3+T vs DS1308U-3+ vs DS1308U-18+)

Side-by-side specifications of related catalog parts.

Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.

This PartRelated PartRelated PartRelated Part
Package / Case8-TSSOP8-TSSOP8-TSSOP8-TSSOP
Mounting TypeSurface MountSurface MountSurface MountSurface Mount
Operating Temperature-40°C ~ 85°C-40°C ~ 85°C-40°C ~ 85°C-40°C ~ 85°C
Supply Voltage1.71V ~ 5.5V2.7V ~ 5.5V2.7V ~ 5.5V1.71V ~ 5.5V
Memory Size56B56B56B56B
InterfaceI²C, 2-Wire SerialI²C, 2-Wire SerialI²C, 2-Wire SerialI²C, 2-Wire Serial
Lifecycle StatusActiveActiveActiveActive
Date FormatYY-MM-DD-ddYY-MM-DD-ddYY-MM-DD-ddYY-MM-DD-dd
FeaturesLeap Year, NVSRAM, Square WaveLeap Year, NVSRAM, Square WaveLeap Year, NVSRAM, Square WaveLeap Year, NVSRAM, Square Wave
Package8-TSSOP, 8-MSOP (0.118", 3.00mm Width)uSOP-8uSOP-88-TSSOP
Time FormatHH:MM:SS (12/24 hr)HH:MM:SS (12/24 hr)HH:MM:SS (12/24 hr)HH:MM:SS (12/24 hr)
TypeClock/CalendarClock/CalendarClock/CalendarClock/Calendar
Action

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