DS12C887A+ Maxim Integrated Products, DS12C887A+ Datasheet - Page 22

• Manufacturer Part Number: DS12C887A+
• Description: IC RTC W/RAM 128 BYTE 24-EDIP
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/NVSRAMr

Specifications of DS12C887A+

• Memory Size: 113B
• Time Format: HH:MM:SS (12/24 hr)
• Date Format: YY-MM-DD-dd
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 24-DIP (600 mil) Module
• Function: Clock/Calendar/Alarm
• Rtc Memory Size: 113 Byte
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: Through Hole
• Rtc Bus Interface: Multiplexed
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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
Real-Time Clocks
Quijano
REVISION
NUMBER
0
1
2
3
4
is a registered trademark of Maxim Integrated Products, Inc.
REVISION
DATE
6/05
4/06
5/06
2/07
4/10
Initial release of combined data sheet
Corrected the Intel Bus Write Timing, Intel Bus Read Timing,
Timing, Power-Up/Down Timing, and Functional Diagram diagrams; added the
Handling, PC Board Layout, and Assembly section.
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.
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
the soldering temperature for all packages in the Absolute Maximum Ratings;
removed leaded parts from the Ordering Information table.
DESCRIPTION
Maxim is a registered trademark of Maxim Integrated Products, Inc.
Release Delay
Revision History
4, 8, 9, 10, 20
4, 20, 22–27
CHANGED
4, 5, 7, 20
PAGES
2, 21
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