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HomeProductsIntegrated Circuits (ICs)Clock/Timing - Real Time ClocksBQ4285S-SB2TR
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BQ4285S-SB2TR - Texas Instruments

Manufacturer Part Number
BQ4285S-SB2TR
Manufacturer
Texas Instruments
Allelco Part Number
32D-BQ4285S-SB2TR
ECAD Model
Parts Description
IC RTC CLK/CALENDAR PAR 24SOIC
Package
24-SOIC (0.295", 7.50mm Width)
Data sheet
BQ4285S-SB2TR.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 10720

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Specifications

BQ4285S-SB2TR Tech Specifications
Texas Instruments - BQ4285S-SB2TR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - BQ4285S-SB2TR

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Supply, Battery 2.5V ~ 4V  
Voltage - Supply 4.5V ~ 5.5V  
Type Clock/Calendar  
Time Format HH:MM:SS (12/24 hr)  
Supplier Device Package 24-SOIC  
Series -  
Package / Case 24-SOIC (0.295", 7.50mm Width)  
Package Tape & Reel (TR)  
Product Attribute Attribute Value  
Operating Temperature 0°C ~ 70°C  
Mounting Type Surface Mount  
Memory Size 114B  
Interface Parallel  
Features Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output  
Date Format YY-MM-DD-dd  
Current - Timekeeping (Max) -  
Base Product Number BQ4285  

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

BQ4285S-SB2TR

Manufacturer

texas-instruments

Introduction

The BQ4285S-SB2TR is a real-time clock (RTC) with a built-in alarm, daylight saving time, and leap year functions. It features a 114-byte non-volatile SRAM (NVSRAM) for storing time, date, and alarm information, ensuring data retention even during power loss. This RTC chip offers a parallel interface and supports both 12-hour and 24-hour time formats, as well as various date formats.

Product Features and Performance

Real-time clock with alarm, daylight saving, and leap year functions

114-byte non-volatile SRAM for data storage

Parallel interface

Supports 12-hour and 24-hour time formats

Supports various date formats (YY-MM-DD-dd)

Square wave output

Product Advantages

Reliable data retention during power loss

Versatile time and date display options

Easy integration with parallel-based systems

Key Reasons to Choose This Product

Robust real-time clock functionality

Efficient power management with low-power operation

Seamless integration into your system design

Trusted texas-instruments quality and reliability

Quality and Safety Features

Designed and manufactured to texas-instruments' high quality standards

Operates within the specified temperature range of 0°C to 70°C

Compatibility

The BQ4285S-SB2TR is compatible with a wide range of parallel-based systems and can be easily integrated into your design.

Application Areas

Embedded systems

Industrial automation

Telecommunications equipment

Consumer electronics

IoT devices

Product Lifecycle

The BQ4285S-SB2TR is an obsolete product, meaning it is no longer in active production. However, our website's sales team may offer alternative or equivalent models that can serve as replacements. Customers are advised to contact our website's sales team for more information on available options.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments BQ4285S-SB2TR

Product Attribute BQ4285S-SB2TR BQ4802YDW BQ4802YDSH BQ4285EP
Part Number BQ4285S-SB2TR BQ4802YDW BQ4802YDSH BQ4285EP
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Features Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output
Mounting Type Surface Mount Surface Mount Surface Mount Through Hole
Voltage - Supply 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V
Package / Case 24-SOIC (0.295", 7.50mm Width) 28-SOIC (0.295', 7.50mm Width) 28-SOIC (0.345', 8.77mm Width) with SNAPHAT Sockets 24-DIP (0.600", 15.24mm)
Memory Size 114B - - 114B
Series - - - -
Package Tape & Reel (TR) Tube Tube Tube
Date Format YY-MM-DD-dd YY-MM-DD-dd YY-MM-DD-dd YY-MM-DD-dd
Base Product Number BQ4285 BQ4802 BQ4802 BQ4285
Interface Parallel Parallel Parallel Parallel
Type Clock/Calendar Clock/Calendar Clock/Calendar Clock/Calendar
Operating Temperature 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C
Supplier Device Package 24-SOIC 28-SOIC 28-SOP 24-PDIP
Voltage - Supply, Battery 2.5V ~ 4V 2.4V ~ 4V 2.4V ~ 4V 2.5V ~ 4V
Current - Timekeeping (Max) - 1.5mA (Typ) @ 4.5 V ~ 5.5 V 1.5mA (Typ) @ 4.5 V ~ 5.5 V 300µA @ 5V
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)

BQ4285S-SB2TR Datasheet PDF

Download BQ4285S-SB2TR pdf datasheets and Texas Instruments documentation for BQ4285S-SB2TR - Texas Instruments.

PCN Obsolescence/ EOL
EOL 16/Jan/2017.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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BQ4285S-SB2TR

Texas Instruments
32D-BQ4285S-SB2TR

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