HD6417034 Datasheet, PDF (514/691 Pages) Renesas Technology Corp – SuperH RISC ENGINE SH7032 AND SH7034

Table 20.6 Bus Timing (1) (cont)
Conditions: V_CC = 5.0 V ±10%, AV_CC = 5.0 V ±10%,AV_CC = V_CC ±10%, AV_ref = 4.5 V to
AV_CC, V_SS = AV_SS = 0 V, φ = 20 MHz, Ta = –20 to +75°C*
Note: * Regular-specification products; for wide-temperature-range products, Ta = –40 to +85°C
Item
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*⁶
Read data access time 2*⁶
Symbol
t_WDH
t_WPDD1
t_WPDD2
t_WPDH
t_WTS
t_WTH
t_ACC1
t_ACC2
RAS delay time 1
t_RASD1
RAS delay time 2
t_RASD2
CAS delay time 1
t_CASD1
CAS delay time 2*⁷
t_CASD2
CAS delay time 3*⁷
t_CASD3
Column address setup time t_ASC
Read data access 35% duty*² t_CAC1
time from CAS 1*⁶
50% duty
Read data access time from
CAS 2*⁶
t_CAC2
Read data access time from
RAS 1*⁶
t_RAC1
Read data access time from
RAS 2*⁶
t_RAC2
High-speed page mode CAS t_CP
precharge time
Min
Max
0
—
—
40
—
20
0
—
14
—
10
—
t_cyc – 30*⁴
—
t_cyc × (n+2) – —
30*³
—
20
—
30
—
20
—
20
—
20
0
—
t_cyc × 0.65 – —
19
t_cyc × 0.5 – 19 —
t_cyc × (n+1) – —
25*³
t_cyc × 1.5 – 20 —
t_cyc × (n+2.5) —
– 20*³
t_cyc × 0.25 —
Unit Figures
ns 20.9, 20.11–20.14
ns 20.9, 20.13, 20.14
ns 20.11, 20.12
ns 20.9, 20.11–20.14
ns 20.10, 20.15, 20.19
ns
ns 20.8, 20.11, 20.12
ns 20.9, 20.10,
20.13–20.15
ns 20.11–20.14,
ns ^{20.16–20.18}
ns 20.11
ns 20.13, 20.14,
ns ^{20.16–20.18}
ns 20.11, 20.12
ns
ns
ns 20.13–20.15
ns 20.11, 20.12
ns 20.13–20.15
ns 20.12
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