Part Number
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DS12885 |
Manufacturer
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Maxim Integrated Products |
Description
|
Real Time Clock |
Published
|
Mar 7, 2006 |
Detailed Description
|
Rev 0; 6/05
Real-Time Clock
General Description
The DS12885, DS12887, and DS12C887 real-time clocks (RTCs) are designed...
|
Datasheet
|
DS12885
|
Overview
Rev 0; 6/05
Real-Time Clock
General Description
The DS12885, DS12887, and DS12C887 real-time clocks (RTCs) are 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 batterybacked static RAM (113 bytes in the DS12C887 and DS12C887A).
The DS12887 integrates a quartz crystal and lithium energy source into a 24-pin encapsulated DIP package.
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 correct...
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