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DS1647P

Maxim Integrated
Part Number DS1647P
Manufacturer Maxim Integrated
Description Nonvolatile Timekeeping RAM
Published Mar 27, 2020
Detailed Description 19-5596; Rev 10/10 www.maxim-ic.com DS1647/DS1647P Nonvolatile Timekeeping RAM FEATURES PIN CONFIGURATIONS  Integr...
Datasheet PDF File DS1647P PDF File

DS1647P
DS1647P

Overview
19-5596; Rev 10/10 www.
maxim-ic.
com DS1647/DS1647P Nonvolatile Timekeeping RAM FEATURES PIN CONFIGURATIONS  Integrates NV SRAM, Real-Time Clock, Crystal, Power-Fail Control Circuit, and Lithium Energy Source  Clock Registers Are Accessed Identically to the Static RAM.
These Registers are Resident in the Eight Top RAM Locations.
 Totally Nonvolatile with Over 10 Years of Operation in the Absence of Power  BCD Coded Year, Month, Date, Day, Hours, Minutes, and Seconds with Leap Year Compensation Valid Through 2099  Power-Fail Write Protection Allows for ±10% VCC Power-Supply Tolerance  DS1647 Only (DIP Module): Standard JEDEC Byte-Wide 128k x 8 RAM Pinout TOP VIEW A18 A16 A14 A12 A7 A6 A5 A4 A3 A2 A1 A0 DQ0 DQ1 DQ2 GND 1 32 2 31 3 DS1647 30 4 29 5 28 6 27 7 26 8 25 9 24 10 23 11 22 12 21 13 20 14 19 15 18 16 17 VCC A15 A17 WE A13 A8 A9 A11 OE A10 CE DQ7 DQ6 DQ5 DQ4 DQ3 32-Pin Encapsulated DIP Package (32 Pin 740)  DS1647P Only (PowerCap Module Board): Surface Mount...


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