HD6417021 Hitachi Semiconductor, HD6417021 Datasheet - Page 482

• Manufacturer Part Number: HD6417021
• Description: SuperH RISC engine
• Manufacturer: Hitachi Semiconductor

Table 19.8 Bus Timing (3)
Conditions: V
*: Normal products. Ta = –40 to +85°C for wide-temperature range products.
Item
Address delay time
CS delay time 1
CS delay time 2
CS delay time 3
CS delay time 4
Access time 1
from read strobe 50% duty
Access time 2
from read strobe 50% duty
Access time 3
from read strobe 50% duty
Read strobe delay time
Read data set-up time
Read data hold time
Write strobe delay time 1
Write strobe delay time 2
Write strobe delay time 3
Write strobe delay time 4
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
HITACHI 474
CC
*4
*4
*4
= 3.0 to 5.5 V, V
35% duty
35% duty
35% duty
*1
*1
*1
Symbol Min
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
AD
CSD1
CSD2
CSD3
CSD4
RDAC1
RDAC2
RDAC3
RSD
RDS
RDH
WSD1
WSD2
WSD3
WSD4
WDD1
WDD2
WDH
WPDD1
WPDD2
WPDH
SS
= 0 V, = 12.5 MHz, Ta = –20 to +75°C*
—
—
—
—
—
t
t
t
t
t
t
—
30
0
—
—
—
—
—
—
–10
—
—
–10
cyc
cyc
cyc
cyc
cyc
cyc
0.65 – 35
0.5 – 35
(n+1.65) – 35
(n+1.5) – 35
(n+0.65) – 35
(n+0.5) – 35
*2
*2
*2
*2
Max
40
40
40
40
40
—
—
—
—
—
—
40
—
—
40
30
40
40
70
40
—
80
40
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
19.32
Figures
19.21, 19.22, 19.24–
19.27, 19.32, 19.33
19.21, 19.22, 19.33
19.32
19.21,
19.22, 19.23
19.21, 19.22, 19.32
19.21, 19.22,
19.24-19.27, 19.32
19.22, 19.26, 19.27,
19.32, 19.33
19.22, 19.26, 19.27,
19.32
19.24, 19.25
19.24, 19.25, 19.33
19.22, 19.26, 19.27,
19.32
19.24, 19.25
19.22, 19.24–19.27,
19.32
19.22, 19.24, 19.27
19.24, 19.25
19.22, 19.24–19.27