DS1744 Datasheet, PDF (9/18 Pages) Dallas Semiconductor – Y2K-Compliant, Nonvolatile Timekeeping RAMs

DS1744/DS1744P Y2K-Compliant, Nonvolatile Timekeeping RAMs
AC CHARACTERISTICS—READ CYCLE (3.3V)
(V_CC = 3.3V ±10%, T_A = Over the operating range.)
PARAMETER
SYMBOL MIN TYP
Read Cycle Time
Address Access Time
CE to DQ Low-Z
CE Access Time
CE Data Off Time
OE to DQ Low-Z
OE Access Time
OE Data Off Time
Output Hold from Address
t_RC
120
t_AA
t_CEL
5
t_CEA
t_CEZ
t_OEL
5
t_OEA
t_OEZ
t_OH
5
MAX
120
120
40
100
35
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES
READ CYCLE TIMING DIAGRAM
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