Renesas SH7781 - Manual (Page 1625)

32. Electrical Characteristics
Rev.1.00 Jan. 10, 2008 Page 1595 of 1658
REJ09B0261-0100
MDQS[3:0] (solid line)
MDQS[3:0] (dotted line)
t
RDQSH
t
RPRE
t
RPST
t
RDQSL
HiZ HiZ
Figure 32.29 Restriction of MDQS Input Waveform (Read)
WRITE
Command
MDQS[3:0] (solid line)
MDQS[3:0] (dotted line)
tWDQSS (Min.)
MDQS[3:0] (solid line)
MDQS[3:0] (dotted line)
tWDQSS (Max.)
t
WDQSS
(min)
t
WDSH
t
WDQSS
(max)
WL = CL - 1
HiZ HiZ
HiZ HiZ
t
WDSS
t
WDSH
t
WDSS
t
WDSH
t
WDSS
t
WDSH
t
WDSS
MCK0, MCK1 (solid line)
MCK0, MCK1 (dotted line)
MCKE, MCS,
MRAS, MCAS,
MWE, MBA[2:0],
MA[14:0]
Figure 32.30 MDQS Output Waveform to MCK (Write)
MDQS[3:0] (solid line)
MDQS[3:0] (dotted line)
t
WDQSH
t
WDQSL
t
WPRE
HiZ HiZ
t
WPST
Figure 32.31 MDQS Output Waveform (Write)