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MB86604L Datasheet, PDF (31/56 Pages) Fujitsu Component Limited. – SCSI-II Protocol Controller (with single-ended driver/receiver) | |||
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MB86604L
⢠68 series burst mode
(a) Write timing
Parameter
Base signal
Symbol
Position*
DACK âLâ assert time
DREQ âHâ
tRQAK
A
DREQ âLâ negate time
DMUDS/DMLDS âLâ tDSRQ
B
DREQ âLâ â DREQ âHâ return time
â
tRQLH
C
DMUDS/DMLDS âLâ assert time
DACK âLâ
tAKDS
D
DMR/W set up time
DMUDS/DMLDS âLâ tsuRW
E
DMR/W hold time
DMUDS/DMLDS âHâ thRW
F
DMUDS/DMLDS âLâ level pulse width
â
twDSL
G
DACK âHâ negate time
DMUDS/DMLDS âHâ tDSAK
H
Input data set up time
Input data hold time
DMUDS/DMLDS âHâ tsuDMD
I
DMUDS/DMLDS âHâ thDMD
J
* : The position number indicates the position in the waveform.
Value
Min.
Max.
0
â
â
55
0
â
0
â
20
â
20
â
40
â
0
â
30
â
5
â
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
DREQ
DACK
A
t RQAK
D
t AKDS
DMR/W
E
t suRW
DMUDS/DMLDS
DMD15 to DMD0
UDMDP, LDMDP
B
t DSRQ
C
t RQLH
H
t DSAK
G
t wDSL
F
t hRW
I
t suDMD
Data
J
t hDMD
31
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