Datasheet

DS1747/DS1747P Y2K-Compliant, Nonvolatile Timekeeping RAMs
10 of 16
AC CHARACTERISTICS—READ CYCLE (3.3V)
(V
CC
= 3.3V ±10%, T
A
= Over the Operating Range.)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Read Cycle Time t
RC
120 ns
Address Access Time t
AA
120 ns
CE
to DQ Low-Z
t
CEL
5 ns
CE
Access Time
t
CEA
120 ns
CE
Data Off Time
t
CEZ
40 ns
OE
to DQ Low-Z
t
OEL
5 ns
OE
Access Time
t
OEA
100 ns
OE
Data Off Time
t
OEZ
35 ns
Output Hold from Address t
OH
5 ns
READ CYCLE TIMING DIAGRAM