MPNHarborRFQ 0
BU9873NUX-TTR representative package visual — not an exact-product photograph
Representative package visual — not an exact-product photographProduct referenceVendor-delivered DigiKey product/package image
Exact MPN13 sourced attributes1 source document

Rohm Semiconductor · exact orderable part

BU9873NUX-TTR

IC RTC CLK/CALENDAR I2C 8VSON

Type
Clock/Calendar
Interface
I²C, 2-Wire Serial
Time Format
HH:MM:SS (12/24 hr)
Date Format
YY-MM-DD-dd
Voltage - Supply
1.8V ~ 5.5V
Current - Timekeeping (Max)
1µA ~ 1.35µA @ 3V ~ 5.5V
Features
Alarm, Leap Year
Operating Temperature
-40°C~85°C
Mounting Type
Surface Mount
Original manufacturerCommercial terms confirmed per lot
ManufacturerRohm Semiconductor
Package / case8-UFDFN Exposed Pad
Mounting typeSurface Mount
PackingTape & Reel (TR); Cut Tape (CT); Digi-Reel®

Technical parameters

Technical specifications

13 normalized values · 1 validated source

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ParameterValue
Base Product NumberBU9873 [1]
Current - Timekeeping (Max)1µA ~ 1.35µA @ 3V ~ 5.5V [1]
Date FormatYY-MM-DD-dd [1]
FeaturesAlarm, Leap Year [1]
InterfaceI²C, 2-Wire Serial [1]
MfrRohm Semiconductor [1]
Mounting TypeSurface Mount [1]
Operating Temperature-40°C~85°C [1]
Product StatusNot For New Designs [1]
Time FormatHH:MM:SS (12/24 hr) [1]
TypeClock/Calendar [1]
Voltage - Supply1.8V ~ 5.5V [1]
Package / Case8-UFDFN Exposed Pad [1]
Specification references[1]Rohm Semiconductor BU9873NUX-TTR vendor product record ↗

Catalog relationships

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ManufacturerRohm SemiconductorView brand page →CategoryReal Time ClocksView category page →

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