IS66WVC4M16ALL Datasheet, PDF (64/67 Pages) Integrated Silicon Solution, Inc – Mixed Mode supports asynchronous write and synchronous read operation

IS66WVC4M16ALL
IS67WVC4M16ALL
Figure 49: Asynchronous WRITE followed by Asynchronous READ – ADV# LOW
Address
DQ0-
DQ15
t_AS t_LZ
t_WC
t_AW
t_WR
VALID
ADDRESS
t_WHZ
t_DW
t_DH
VALID
DATA
t_RC
VALID
ADDRESS
t_AA
VALID
OUTPUT
ADV#
CE#
UB#/LB#
WE#
t_WPH
t_CEW
HiZ
WAIT
t_CW
t_BW
t_WP
t_CPH
t_CO
Note1
t_BLZ
t_BA
OE#
t_HZ
t_CEW
HiZ
t_OLZ
t_OE
t_HZ
t_HZ
t_BHZ
t_OHZ
HiZ
Notes:
1. When configured for synchronous mode (BCR[15] = 0), CE# must remain HIGH for at least
5ns (tCPH) to schedule the appropriate refresh interval. Otherwise, tCPH is only required
after CE#-controlled WRITEs.
Rev. B | July 2012
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