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BQ3287MT-SB2 BQ3287MT-SB2 is a Clock/Calendar Real Time Clock from Texas Instruments. It features a parallel interface, 114 bytes of NVSRAM, alarm, daylight savings, leap year, and square wave output in a 24-DIP through-hole package.
Mfr Part #:

BQ3287MT-SB2

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
BQ3287MT-SB2 is a Clock/Calendar Real Time Clock from Texas Instruments. It features a parallel interface, 114 bytes of NVSRAM, alarm, daylight savings, leap year, and square wave output in a 24-DIP through-hole package.
✓ Total Stock: 4,130 pcs

BQ3287MT-SB2 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
4,129 pcs
On Request
4129 pcs On Request 1 On Request On Request 0801+ On Request On Request
Partservice ✓
Non-Authorised Inventory information
1 pcs
On Request
1 pcs On Request 1 On Request On Request On Request On Request On Request
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BQ3287MT-SB2 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Date Format
Features
Halogen Free
Interface
Memory Size
Mounting Type
SVHC Present
Supplier Device Package
Time Format
Type
Voltage
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BQ3287MT-SB2 Description

Short technical summary and product information.

The BQ3287MT-SB2 is a Clock/Calendar Real Time Clock (RTC) from Texas Instruments, designed for timekeeping and data storage in embedded systems. It operates from a 4.5V to 5.5V supply and communicates via a parallel interface, making it suitable for direct connection to microcontroller buses. The device includes 114 bytes of non-volatile SRAM for user data, alarm functionality, automatic daylight savings adjustment, leap year compensation, and a programmable square wave output. Time is maintained in HH:MM:SS format with 12/24-hour selectable mode, and date is tracked in YY-MM-DD-dd format. The BQ3287MT-SB2 is housed in a 24-pin DIP module (0.61" body width, 15.49mm) with through-hole mounting, ideal for prototyping and industrial applications. Environmental compliance is listed as RoHS3 compliant, REACH unaffected, and MSL Level 1, though these are unverified.

BQ3287MT-SB2 Quick Information

Product Type: Real Time Clock (RTC)
Canonical Name: BQ3287MT-SB2 Clock/Calendar Real Time Clock
Subcategory: Clock/Calendar

BQ3287MT-SB2 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: No

BQ3287MT-SB2 Features

  • Clock/Calendar with alarm and daylight savings.
  • 114 bytes of non-volatile SRAM.
  • Parallel interface for easy bus connection.
  • Operates from 4.5V to 5.5V supply.
  • Through-hole 24-DIP package for prototyping.

BQ3287MT-SB2 Applications

  • Used in embedded systems requiring accurate timekeeping.
  • Ideal for data logging with NVSRAM storage.
  • Suitable for industrial control panels.
  • Can be used in consumer electronics with alarm functions.

BQ3287MT-SB2 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the supply voltage range?

4.5V to 5.5V.

What package does the BQ3287MT-SB2 come in?

24-DIP Module (0.61", 15.49mm).

Is the BQ3287MT-SB2 RoHS compliant?

It is listed as RoHS3 Compliant, but this is unverified.

What interface does this RTC use?

Parallel interface.

How much memory does it have?

114 bytes of NVSRAM.

What features does it support?

Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output.

What time and date formats are supported?

Time: HH:MM:SS in 12/24 hour; Date: YY-MM-DD-dd.

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