Hitachi H8S/2378, H8S/2378R Series Hardware Manual page 905

Table 24.8 Bus Timing
Conditions: V = 3.0 V to 3.6 V, AV
CC
ø = 8 MHz to 33 MHz, T
T = –40°C to +85°C (wide-range specifications)
a
Item
:5 delay time 1
:5 delay time 2
:5 pulse width 1
:5 pulse width 2
Write data delay time
Write data setup time 1
Write data setup time 2
Write data setup time 3
Write data hold time 1
Write data hold time 2
Write data hold time 3
Write command setup time 1
Write command setup time 2
Write command hold time 1
Write command hold time 2
Read command setup time 1
Read command setup time 2
Read command hold time
&$6 delay time 1
&$6 delay time 2
&$6 setup time 1
&$6 setup time 2
&$6 pulse width 1
&$6 pulse width 2
&$6 precharge time 1
&$6 precharge time 2
2( delay time 1
2( delay time 2
Precharge time 1
Precharge time 2
Self-refresh precharge time 1
Self-refresh precharge time 2
= 3.0 V to 3.6 V, V
CC
= –20°C to +75°C (regular specifications),
a
Symbol Min
t —
WRD1
t —
WRD2
1.0 × t
t – 13
WSW1 cyc
1.5 × t
t – 13
WSW2 cyc
t —
WDD
0.5 × t
t – 13
WDS1 cyc
1.0 × t
t – 13
WDS2 cyc
1.5 × t
t – 13
WDS3 cyc
0.5 × t
t – 8
WDH1 cyc
1.0 × t
t – 8
WDH2 cyc
1.5 × t
t – 8
WDH3 cyc
0.5 × t
t – 10
WCS1 cyc
1.0 × t
t – 10
WCS2 cyc
0.5 × t
t – 10
WCH1 cyc
1.0 × t
t – 10
WCH2 cyc
1.5 × t
t – 10
RCS1 cyc
2.0 × t
t – 10
RCS2 cyc
0.5 × t
t – 10
RCH cyc
t —
CASD1
t —
CASD2
0.5 × t
t – 10
CSR1 cyc
1.5 × t
t – 10
CSR2 cyc
1.0 × t
t – 20
CASW1 cyc
1.5 × t
t – 20
CASW2 cyc
1.0 × t
t – 20
CPW1 cyc
1.5 × t
t – 20
CPW2 cyc
t —
OED1
t —
OED2
1.0 × t
t – 20
PCH1 cyc
1.5 × t
t – 20
PCH2 cyc
2.5 × t
t – 20
RPS1 cyc
3.0 × t
t – 20
RPS2 cyc
= 3.0 V to AV , V
ref CC
Max Unit
15 ns
15 ns
— ns
— ns
20 ns
— ns
— ns
— ns
— ns
— ns
— ns
— ns
— ns
— ns
— ns
— ns
— ns
— ns
15 ns
15 ns
— ns
— ns
— ns
— ns
— ns
— ns
15 ns
15 ns
— ns
— ns
— ns
— ns
Rev. 1.0, 09/01, page 861 of 904
= AV = 0 V,
SS SS
Test Conditions
Figures 24.7 to
24.20
Figures 24.21 and
24.22