DS1554 Maxim, DS1554 Datasheet - Page 18

• Manufacturer Part Number: DS1554
• Description: The DS1554 is a full-function, year 2000-compliant (Y2KC), real-time clock/calendar (RTC) with an RTC alarm, watchdog timer, power-on reset, battery monitor, and 32k x 8 nonvolatile static RAM
• Manufacturer: Maxim

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
9/10
Updated the Ordering Information table to include only lead-free parts and changed the pin-
package for EMOD to EDIP; updated the Absolute Maximum Ratings section to include the
storage temperature range and lead and soldering temperatures for EDIP and PowerCap
packages; added Note 11 to the I
(for 5.0V and 3.3V) and the Notes section; replaced the package outline drawings with the
Package Information table
CC
Maxim and the Dallas logo are registered trademarks of Maxim Integrated Products.
parameter in the DC Electrical Characteristics tables
DESCRIPTION
DS1554 256k, Nonvolatile, Y2K-Compliant Timekeeping RAM
18 of 18
CHANGED
2, 11, 12, 17
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