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HomeProductsIntegrated Circuits (ICs)Clock/Timing - Real Time ClocksBU9873FVT-GE2
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BU9873FVT-GE2 - Rohm Semiconductor

Manufacturer Part Number
BU9873FVT-GE2
Manufacturer
LAPIS Technology
Allelco Part Number
32D-BU9873FVT-GE2
ECAD Model
Parts Description
IC RTC CLK/CALENDAR I2C 8TSSOP
Package
8-TSSOP (0.173', 4.40mm Width)
Data sheet
TSSOP-B8 Taping Spec.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 75250

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Specifications

BU9873FVT-GE2 Tech Specifications
Rohm Semiconductor - BU9873FVT-GE2 technical specifications, attributes, parameters and parts with similar specifications to Rohm Semiconductor - BU9873FVT-GE2

Product Attribute Attribute Value  
Manufacturer LAPIS Technology  
Voltage - Supply, Battery -  
Voltage - Supply 1.8V ~ 5.5V  
Type Clock/Calendar  
Time Format HH:MM:SS (12/24 hr)  
Supplier Device Package 8-TSSOP-B  
Series -  
Package / Case 8-TSSOP (0.173', 4.40mm Width)  
Package Tape & Reel (TR)  
Product Attribute Attribute Value  
Operating Temperature -40°C ~ 85°C  
Mounting Type Surface Mount  
Memory Size -  
Interface I²C, 2-Wire Serial  
Features Alarm, Leap Year  
Date Format YY-MM-DD-dd  
Current - Timekeeping (Max) 1µA ~ 1.35µA @ 3V ~ 5.5V  
Base Product Number BU9873  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

BU9873FVT-GE2

Manufacturer

ROHM Semiconductor

Introduction

The BU9873FVT-GE2 is a highly accurate real-time clock (RTC) module with a built-in calendar and alarm function. It is designed to provide reliable timekeeping in a wide range of applications, including consumer electronics, industrial equipment, and IoT devices.

Product Features and Performance

Supports 12/24-hour time formats and year-month-day-day-of-the-week date formats

Integrated alarm function for event notification

Automatic leap year detection

Low power consumption of 1μA to 1.35μA in timekeeping mode, ensuring long battery life

Operates across a wide temperature range of -40°C to 85°C

Product Advantages

Highly accurate timekeeping for reliable system integration

Small and compact surface-mount package for space-constrained designs

Low power consumption for extended battery life in portable applications

Flexible interface options, including I2C and 2-wire serial communication

Key Reasons to Choose This Product

Robust and reliable real-time clock solution

Excellent power efficiency for extended battery life

Seamless integration with a variety of electronic systems

Competitive pricing and availability from a trusted semiconductor manufacturer

Quality and Safety Features

Rigorous quality control and testing processes

Compliance with industry safety and environmental standards

Compatibility

The BU9873FVT-GE2 is compatible with a wide range of electronic devices and systems that require accurate timekeeping and calendar functions, such as:

Consumer electronics (e.g., smartphones, tablets, wearables)

Industrial equipment (e.g., automation systems, instrumentation)

IoT devices and smart home applications

Application Areas

Real-time clock and calendar functions in various electronic devices

Timestamp recording and event notification in industrial and IoT applications

Power management and energy-efficient timekeeping in battery-powered systems

Product Lifecycle

The BU9873FVT-GE2 is currently an active product and is not nearing discontinuation. ROHM Semiconductor offers several alternative models with similar features and performance characteristics, such as the BU9875, BU9876, and BU9878 series. Customers are advised to consult with our website's sales team for the most up-to-date information on product availability and alternative options.

Parts with Similar Specifications

The three parts on the right have similar specifications to Rohm Semiconductor BU9873FVT-GE2

Product Attribute BU9873FVT-GE2 BU9873FJ-GTE2 BU9873FVM-GTTR BU9873NUX-TTR
Part Number BU9873FVT-GE2 BU9873FJ-GTE2 BU9873FVM-GTTR BU9873NUX-TTR
Manufacturer Rohm Semiconductor Rohm Semiconductor Rohm Semiconductor Rohm Semiconductor
Voltage - Supply 1.8V ~ 5.5V 1.8V ~ 5.5V 1.8V ~ 5.5V 1.8V ~ 5.5V
Series - - - -
Type Clock/Calendar Clock/Calendar Clock/Calendar Clock/Calendar
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Date Format YY-MM-DD-dd YY-MM-DD-dd YY-MM-DD-dd YY-MM-DD-dd
Base Product Number BU9873 BU9873 BU9873 BU9873
Supplier Device Package 8-TSSOP-B 8-SOP-J 8-MSOP VSON008X2030
Memory Size - - - -
Features Alarm, Leap Year Alarm, Leap Year Alarm, Leap Year Alarm, Leap Year
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Current - Timekeeping (Max) 1µA ~ 1.35µA @ 3V ~ 5.5V 1µA ~ 1.35µA @ 3V ~ 5.5V 1µA ~ 1.35µA @ 3V ~ 5.5V 1µA ~ 1.35µA @ 3V ~ 5.5V
Package / Case 8-TSSOP (0.173', 4.40mm Width) 8-SOIC (0.154", 3.90mm Width) 8-VSSOP, 8-MSOP (0.110", 2.80mm Width) 8-UFDFN Exposed Pad
Time Format HH:MM:SS (12/24 hr) HH:MM:SS (12/24 hr) HH:MM:SS (12/24 hr) HH:MM:SS (12/24 hr)
Voltage - Supply, Battery - - - -
Interface I²C, 2-Wire Serial I²C, 2-Wire Serial I²C, 2-Wire Serial I²C, 2-Wire Serial
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)

BU9873FVT-GE2 Datasheet PDF

Download BU9873FVT-GE2 pdf datasheets and Rohm Semiconductor documentation for BU9873FVT-GE2 - Rohm Semiconductor.

HTML Datasheet
TSSOP-B8 Taping Spec.pdf
Other Related Documents
Cylindrical Battery Holders.pdf
Environmental Information
Cylindrical Battery Holders.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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BU9873FVT-GE2 Image

BU9873FVT-GE2

Rohm Semiconductor
32D-BU9873FVT-GE2

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