HD6417021 Hitachi Semiconductor, HD6417021 Datasheet - Page 463

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HD6417021

Manufacturer Part Number
HD6417021
Description
SuperH RISC engine
Manufacturer
Hitachi Semiconductor
Datasheet
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
Access time 2
from read strobe
Access time 3
from read strobe
Read strobe delay time
Read data setup 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
*6
*6
*6
35% duty
50% duty
35% duty
50% duty
35% duty
50% duty
*2
*2
*2
Symbol
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
Min
t
20
t
t
– 20
t
– 20
t
– 20
t
– 20
15
0
0
cyc
cyc
cyc
cyc
cyc
cyc
*3
*3
*3
*3
0.65 –
0.5 – 20
(n+1.65)
(n+1.5) –
(n+0.65)
(n+0.5) –
Max
20
25
25
20
20
20
20
20
20
20
35
20
*1
ns
ns
ns
ns
ns
Unit Figures
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
19.8, 19.9, 19.11–19.14,
19.19, 19.20
19.8, 19.9, 19.20
19.19
19.9, 19.10
19.19
19.8
19.8, 19.9, 19.11–19.15,
19.19, 19.24–19.28
19.8, 19.9, 19.11–19.14,
19.19
19.9, 19.13, 19.14,
19.19, 19.20
19.9, 19.13, 19.14,
19.19
19.11, 19.12
19.11, 19.12, 19.20
19.9, 19.13, 19.14, 19
19.11, 19.12
19.9, 19.11–19.14
HITACHI 455

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