Datasheet

DS1553 64kB, Nonvolatile, Year-2000-Compliant Timekeeping RAM
20 of 20
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REVISION HISTORY
REVISION
DATE
DESCRIPTION
PAGES
CHANGED
8/10
Updated the Ordering Information table; updated the storage and soldering
temperatures and added the lead temperature in the Absolute Maximum
Ratings section; changed 70ns Access to 85ns Access in the Read Cycle,
AC Characteristics (5V) table and updated the min/max values for t
RC
, t
AA
,
t
CEA
, t
CEZ
, t
OEA
, and t
OEZ
; changed 70ns Access to 85ns Access in the Write
Cycle, AC Characteristics (5V) table and updated the min/max values for
t
WC
, t
WEW
, t
CEW
, t
DS
, and t
WEZ
; updated the Package Information table and
removed the package drawings
1, 13, 14, 19