Hitachi SH7032 Hardware Manual page 566

Table 20.20 Bus Timing (2) (cont)
Conditions: V = 3.3 V ±0.3V, AV
CC
AV , V
CC
Note: * Regular-specification products; for wide-temperature-range products, Ta = –40 to +85°C
Item
Write data delay time 1
Write data delay time 2
Write data hold time
Parity output delay time 1
Parity output delay time 2
Parity output hold time
Wait setup time
Wait hold time
Read data access time 1 *
Read data access time 2 *
RAS delay time 1
RAS delay time 2
CAS delay time 1
5
CAS delay time 2 *
CAS delay time 3 * 5
Column address setup time
35% duty *
Read data access
time from CAS 1 * 4
50% duty
Read data access time from
4
CAS 2 *
Read data access time from
RAS 1 * 4
Read data access time from
RAS 2 * 4
High-speed page mode CAS
precharge time
= 3.3 V ±0.3V, AV
CC
= 0 V, φ = 12.5 MHz, Ta = –20 to +75°C *
= AV
SS SS
Symbol Min
t —
WDD1
t —
WDD2
t –10
WDH
t —
WPDD1
t —
WPDD2
t –10
WPDH
t 40
WTS
t 10
WTH
4
t t
ACC1
4
t t
ACC2
44 *
t —
RASD1
t —
RASD2
t —
CASD1
t —
CASD2
t —
CASD3
t 0
ASC
1
t t
CAC1
35
t
t t
CAC2
35 *
t t
RAC1
t t
RAC2
– 35 *
t t
CP
= V
CC
Max
70
40
—
80
40
—
—
—
– 44 —
cyc
× (n+2) –
—
cyc
2
40
40
40
40
40
—
× 0.65 –
—
cyc
× 0.5 – 35 —
cyc
× (n+1) –
—
cyc
2
× 1.5 – 35 —
cyc
× (n+2.5)
—
cyc
2
× 0.25
—
cyc
±0.3V, AV = 3.0 V to
CC ref
Unit Figures
ns 20.53, 20.57, 20.58,
20.63
ns 20.55, 20.56
ns 20.53, 20.55–20.58, 20.63
ns 20.53, 20.57, 20.58
ns 20.55, 20.56
ns 20.53, 20.55–20.58
ns 20.54, 20.59, 20.63
ns
ns 20.52, 20.55, 20.56
ns 20.53, 20.54, 20.57–20.59
ns 20.55–20.58,
20.60–20.62
ns
ns 20.55
ns 20.57, 20.58,
20.60–20.62
ns
ns 20.55, 20.56
ns
ns
ns 20.57–20.59
ns 20.55, 20.56
ns 20.57–20.59
ns 20.56
531