Datasheet

Rev.6.00 Oct.28.2004 page 689 of 1016
REJ09B0138-0600H
Condition Test
Item Symbol Min Max Unit Conditions
WR hold time t
WCH
0.5 ×
t
cyc
– 10
— ns Figure 22-8 to
Figure 22-15
CAS setup time t
CSR
0.5 ×
t
cyc
– 10
— ns Figure 22-12
WAIT setup time t
WTS
30 — ns Figure 22-10
WAIT hold time t
WTH
5—ns
BREQ setup time t
BRQS
30 — ns Figure 22-16
BACK delay time t
BACD
—15ns
Bus-floating time t
BZD
—50ns
BREQO delay time t
BRQOD
— 30 ns Figure 22-17
t
RSD2
ø
T
1
t
AD
AS
A
23
to A
0
t
ASD
RD
(read)
T
2
t
CSD1
t
AS
t
AH
t
ASD
t
ACC2
t
AS
t
AS
t
RSD1
t
ACC3
t
RDS
t
RDH
t
WRD2
t
WRD2
t
WDD
t
WSW1
t
WDH
t
AH
CS7 to CS0
D
15
to D
0
(read)
HWR, LWR
(write)
D
15
to D
0
(write)
Figure 22-8 Basic Bus Timing (Two-State Access)