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| HD6433044 Datasheet, PDF (706/867 Pages) Hitachi Semiconductor – Hitachi Single-Chip Microcomputer | |||
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ø
A9 to A1
AS
T1
tAD
CS3 (RAS)
tAS1
HWR (UCAS),
LWR (LCAS)
RD (WE)
(read)
RD (WE)
(write)
RFSH
D15 to D0
(read)
D15 to D0
(write)
T2
T3
tAD
tRtRAAHD1
tASD
tAS1
tRAD3
tCAS
tSD
tRP
tCRP
tASD
tRAC
tAA
tCAC
tSD
tWDH
tWDS3
tRDS
tRDH
Figure 21-13 DRAM Bus Timing (Read/Write): Three-State Access
â 2CAS Mode â
698
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