HD6432670 Hitachi, HD6432670 Datasheet - Page 905

• Manufacturer Part Number: HD6432670
• Description: (HD64F267x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

Read
Write
Note:
ø
A23 to A0
D15 to D0
D15 to D0
,
Figure 24.17 DRAM Access Timing: Three-State Access (RAST = 1)
,
,
to
to
timing: when RAST = 1
and
t
AD
timing: when DDS = 0 and EDDS = 0
Tp
t
t
PCH1
AS2
t
CSD2
Tr
t
AH2
t
t
DACD1
EDACD1
t
t
WRD2
t
AD
WDD
Tc1
t
AC7
t
AS3
t
WCS2
t
t
WDS2
OED2
t
Rev. 2.0, 04/02, page 859 of 906
AA5
Tc2
t
CASD2
t
WCH2
t
CASW2
t
AC2
t
AH3
t
WDH3
Tc3
t
RDS2
t
WRD2
t
RDH2
t
t
OED1
CASD1
t
t
t
DACD2
EDACD2
CSD3