DS1643-70+ Maxim Integrated Products, DS1643-70+ Datasheet - Page 17

• Manufacturer Part Number: DS1643-70+
• Description: Real Time Clock
• Manufacturer: Maxim Integrated Products

Specifications of DS1643-70+

• Function: Clock, Calendar, NV Timekeeping RAM
• Rtc Memory Size: 8192 B
• 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: Parallel
• Package / Case: eDIP
• Time Format: HH:MM:SS
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

REVISION HISTORY
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.
M a x i m I n t e g r a t e d P r o d u c t s , 1 2 0 S a n G a b r i e l D r i v e , S u n n y v a l e , C A 9 4 0 8 6 4 0 8 - 7 3 7 - 7 6 0 0
© 2010 Maxim Integrated Products
REVISION
DATE
12/09
5/10
Corrected the lead(Pb)-free part information for the -100+ versions
in the Ordering Information table.
Removed TinLead and -70 (70ns) and added -85 (85ns) in the
Ordering Information table; reduced the Absolute Maximum
Ratings max voltage; updated the soldering information; updated
AC timing to include 85ns
DESCRIPTION
17 of 17
Maxim is a registered trademark of Maxim Integrated Products, Inc.
CHANGED
DS1643/DS1643P
1, 7, 8, 9
PAGES
1