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                    • New Deals
                      1. Home
                      2. Semiconductors - ICs
                      3. Clock,Timing & Frequency Management
                      4. Real Time Clocks
                      Print Page

                      DS12887A+

                      RTC, Date Time Format (Day/Date/Month/Year HH:MM:SS), Parallel, 4.5V to 5.5 V, EDIP-24

                      ANALOG DEVICES DS12887A+
                      Image is for illustrative purposes only. Please refer to product description.
                      ManufacturerANALOG DEVICES
                      Manufacturer Part NoDS12887A+
                      Newark Part No.79Y4481
                      Technical Datasheet

                      Data Sheet

                      See all Technical Docs
                      106 In Stock

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                      47 Delivery in 1-3 Business Days(US stock)
                      59 Delivery in 2-4 Business Days(UK stock)
                      Order before 9pm EST Standard Shipping
                      QuantityPrice
                      1+$17.190
                      10+$15.230
                      28+$13.280
                      56+$12.640
                      112+$12.160
                      252+$11.700
                      504+$11.280
                      Price for:Each
                      Minimum: 1
                      Multiple: 1
                      $17.19
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                      Added to your Order Confirmation, Invoice, and Dispatch note for this order only.
                      This number will be added to the Order Confirmation, Invoice, Dispatch note, Web confirmation Email and Product Label.

                      Product Information

                      ManufacturerANALOG DEVICES
                      Manufacturer Part NoDS12887A+
                      Newark Part No.79Y4481
                      Technical Datasheet

                      Data Sheet

                      Date FormatDay; Date; Month; Year
                      Clock FormatHH:MM:SS
                      Clock IC TypeRTC
                      Supply Voltage Min4.5V
                      Supply Voltage Max5.5V
                      Clock IC Case StyleEDIP
                      No. of Pins24Pins
                      IC Interface TypeParallel
                      Operating Temperature Min0°C
                      Operating Temperature Max70°C
                      Product Range-
                      Automotive Qualification Standard-
                      MSLMSL 1 - Unlimited
                      SVHC1,2-dimethoxyethane, ethylene glycol dimethyl ether (EGDME) (21-Jan-2025)

                      Product Overview

                      The DS12887A+ is a Real-time Clock is designed to be direct replacements for the DS1285 and DS1287. The devices provide a real-time clock/calendar, one time-of-day alarm, three maskable interrupts with a common interrupt output, a programmable square wave and 114 bytes of battery-backed static RAM (113 bytes in the DS12C887 and DS12C887A). The DS12C887 adds a century byte at address 32h. For all devices, the date at the end of the month is automatically adjusted for months with fewer than 31 days, including correction for leap years. The devices also operate in either 24-hour or 12-hour format with an AM/PM indicator. A precision temperature-compensated circuit monitors the status of VCC. If a primary power failure is detected, the device automatically switches to a backup supply. A Lithium coin-cell battery can be connected to the VBAT input pin on the DS12885 to maintain time and date operation when primary power is absent.

                      • Drop-in replacement for IBM AT computer clock/calendar
                      • Binary or BCD time representation
                      • Selectable Intel or Motorola bus timing
                      • Interfaced with software as 128 RAM locations
                      • 14 Bytes of clock and control registers
                      • Interrupt output with three independently maskable interrupt flags
                      • Time-of-day alarm once per second to once per day
                      • Periodic rates from 122µs to 500ms
                      • End-of-clock update cycle flag
                      • Programmable square-wave output
                      • Automatic power-fail detect and switch circuitry

                      Applications

                      Clock & Timing, Metering, Security, Communications & Networking

                      Notes

                      ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party

                      Technical Specifications

                      Date Format

                      Day; Date; Month; Year

                      Clock IC Type

                      RTC

                      Supply Voltage Max

                      5.5V

                      No. of Pins

                      24Pins

                      Operating Temperature Min

                      0°C

                      Product Range

                      -

                      MSL

                      MSL 1 - Unlimited

                      Clock Format

                      HH:MM:SS

                      Supply Voltage Min

                      4.5V

                      Clock IC Case Style

                      EDIP

                      IC Interface Type

                      Parallel

                      Operating Temperature Max

                      70°C

                      Automotive Qualification Standard

                      -

                      SVHC

                      1,2-dimethoxyethane, ethylene glycol dimethyl ether (EGDME) (21-Jan-2025)

                      Technical Docs (2)

                      Technical Data Sheet EN

                      REACH SVHC: Safe Use Data EN

                      Legislation and Environmental

                      US ECCN:EAR99
                      EU ECCN:Unknown
                      RoHS Compliant:Yes

                      RoHS

                      RoHS Phthalates Compliant:Yes

                      RoHS

                      SVHC:1,2-dimethoxyethane, ethylene glycol dimethyl ether (EGDME) (21-Jan-2025)
                      Download Product Compliance Certificate

                      Product Compliance Certificate

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