DS12C887A Просмотр технического описания (PDF) - Maxim Integrated

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производитель

DS12C887A

(DS12xxx) Real Time Clock

Maxim Integrated 

Real-Time Clocks

Revision History

REVISION REVISION

NUMBER DATE

DESCRIPTION

0

6/05 Initial release of combined data sheet

Corrected the Intel Bus Write Timing, Intel Bus Read Timing, IRQ Release Delay

1

4/06 Timing, Power-Up/Down Timing, and Functional Diagram diagrams; added the

Handling, PC Board Layout, and Assembly section.

2

5/06

Corrected the Intel Bus Write Timing diagram; added PLCC pin description

information; changed pin 16 from N.C. to GND for the SO and PDIP packages.

3

2/07

Corrected the Intel Bus Write Timing diagram; updated the Ordering Information;

added the Package Information table; removed the package drawings.

Updated the storage temperature ranges, added the lead temperature, and updated

4

4/10 the soldering temperature for all packages in the Absolute Maximum Ratings;

removed leaded parts from the Ordering Information table.

PAGES

CHANGED

—

4, 5, 7, 20

4, 8, 9, 10, 20

4, 20, 22–27

2, 21

Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are

implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.

22 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600

© 2010 Maxim Integrated Products

Maxim is a registered trademark of Maxim Integrated Products, Inc.

is a registered trademark of Maxim Integrated Products, Inc.

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