Bus Timing - Hitachi H8S/2378, H8S/2378R Series Hardware Manual

24.3.3

Bus Timing

Table 24.7 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
Address delay time
Address setup time 1
Address setup time 2
Address setup time 3
Address setup time 4
Address hold time 1
Address hold time 2
Address hold time 3
&6 delay time 1
&6 delay time 2
&6 delay time 3
$6 delay time
5' delay time 1
5' delay time 2
Read data setup time 1
Read data setup time 2
Read data hold time 1
Read data hold time 2
Read data access time 1
Read data access time 2
Read data access time 3
Read data access time 4
Read data access time 5
Read data access time 6
Read data access time 7
Read data access time 8
Address read data access time 1
Address read data access time 2
Address read data access time 3
Address read data access time 4
Address read data access time 5
Rev. 1.0, 09/01, page 860 of 904
= 3.0 V to 3.6 V, V
CC
= –20°C to +75°C (regular specifications),
a
Symbol Min
TA —
D
0.5 × t
TA – 13
S1 cyc
1.0 × t
TA – 13
S2 cyc
1.5 × t
TA – 13
S3 cyc
2.0 × t
TA – 13
S4 cyc
0.5 × t
TA – 8
H1 cyc
1.0 × t
TA – 8
H2 cyc
1.5 × t
TA – 8
H3 cyc
t —
CSD1
t —
CSD2
t —
CSD3
TA —
SD
t —
RSD1
t —
RSD2
t 15
RDS1
t 15
RDS2
t 0
RDH1
t 0
RDH2
T —
AC1
T —
AC2
T —
AC3
T —
AC4
T —
AC5
T —
AC6
T —
AC7
T —
AC8
T —
AA1
T —
AA2
T —
AA3
T —
AA4
T —
AA5
= 3.0 V to AV , V
ref CC
Max Unit
20 ns
— ns
— ns
— ns
— ns
— ns
— ns
— ns
15 ns
15 ns
20 ns
15 ns
15 ns
15 ns
— ns
— ns
— ns
— ns
1.0 × t
– 20 ns
cyc
1.5 × t
– 20 ns
cyc
2.0 × t
– 20 ns
cyc
2.5 × t
– 20 ns
cyc
1.0 × t
– 20 ns
cyc
2.0 × t
– 20 ns
cyc
4.0 × t
– 20 ns
cyc
3.0 × t
– 20 ns
cyc
1.0 × t
– 20 ns
cyc
1.5 × t
– 20 ns
cyc
2.0 × t
– 20 ns
cyc
2.5 × t
– 20 ns
cyc
3.0 × t
– 20 ns
cyc
= AV = 0 V,
SS SS
Test Conditions
Figures 24.7 to
24.20