Datasheet
DS1554 256k, Nonvolatile, Y2K-Compliant Timekeeping RAM
18 of 18
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.
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
2010 Maxim Integrated Products Maxim and the Dallas logo are registered trademarks of Maxim Integrated Products.
REVISION HISTORY
REVISION
DATE
DESCRIPTION
PAGES
CHANGED
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
CC
parameter in the DC Electrical Characteristics tables
(for 5.0V and 3.3V) and the
Notes section; replaced the package outline drawings with the
Package Information table
2, 11, 12, 17










